./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/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_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/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_4cc9b10c-774a-4729-8587-105ff2bdd485/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 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:57,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:57,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:49:57,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:57,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:57,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:57,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:57,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:57,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:57,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:57,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:57,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:57,543 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:57,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:57,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:57,547 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:57,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:57,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:57,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:57,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:57,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:57,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:57,550 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:49:57,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:57,551 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:57,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:57,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:57,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:57,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:57,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:57,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:57,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:57,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:57,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:57,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:57,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:57,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:57,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:57,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:57,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:57,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:57,558 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_4cc9b10c-774a-4729-8587-105ff2bdd485/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2023-11-26 11:49:57,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:57,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:57,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:57,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:57,849 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:57,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2023-11-26 11:50:00,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:01,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:01,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2023-11-26 11:50:01,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/data/9f1d2993b/1b6d0abccedc4adcb23f60e19b8f6e93/FLAGb6e1d1aa8 [2023-11-26 11:50:01,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/data/9f1d2993b/1b6d0abccedc4adcb23f60e19b8f6e93 [2023-11-26 11:50:01,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:01,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:01,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:01,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:01,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:01,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:01" (1/1) ... [2023-11-26 11:50:01,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c8b654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:01, skipping insertion in model container [2023-11-26 11:50:01,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:01" (1/1) ... [2023-11-26 11:50:01,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:50:02,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:02,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:50:02,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:02,334 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:50:02,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02 WrapperNode [2023-11-26 11:50:02,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:02,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:02,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:50:02,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:50:02,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,432 INFO L138 Inliner]: procedures = 263, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2023-11-26 11:50:02,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:02,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:50:02,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:50:02,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:50:02,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:50:02,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:50:02,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:50:02,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:50:02,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:02,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:02,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:02,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:50:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:50:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:50:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:50:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:50:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:50:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:50:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 11:50:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 11:50:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:50:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:02,630 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 11:50:02,880 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:02,882 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:03,168 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:03,214 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:03,220 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:50:03,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:03 BoogieIcfgContainer [2023-11-26 11:50:03,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:03,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:03,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:03,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:03,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:50:01" (1/3) ... [2023-11-26 11:50:03,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca42385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:03, skipping insertion in model container [2023-11-26 11:50:03,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (2/3) ... [2023-11-26 11:50:03,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca42385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:03, skipping insertion in model container [2023-11-26 11:50:03,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:03" (3/3) ... [2023-11-26 11:50:03,237 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2023-11-26 11:50:03,247 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:50:03,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:03,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-26 11:50:03,262 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:50:03,402 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-26 11:50:03,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 195 flow [2023-11-26 11:50:03,535 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2023-11-26 11:50:03,536 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:50:03,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 0/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-26 11:50:03,541 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 94 transitions, 195 flow [2023-11-26 11:50:03,548 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 169 flow [2023-11-26 11:50:03,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:03,577 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;@2ff36f32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:03,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-26 11:50:03,609 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:50:03,609 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2023-11-26 11:50:03,609 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:03,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:03,610 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] [2023-11-26 11:50:03,611 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 11:50:03,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:03,618 INFO L85 PathProgramCache]: Analyzing trace with hash 236395328, now seen corresponding path program 1 times [2023-11-26 11:50:03,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:03,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438713556] [2023-11-26 11:50:03,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:03,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:04,664 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 11:50:04,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438713556] [2023-11-26 11:50:04,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438713556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:04,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:04,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:50:04,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194410966] [2023-11-26 11:50:04,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:04,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:50:04,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:50:05,116 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 94 [2023-11-26 11:50:05,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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 11:50:05,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:05,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 94 [2023-11-26 11:50:05,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:05,343 INFO L124 PetriNetUnfolderBase]: 96/422 cut-off events. [2023-11-26 11:50:05,343 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:50:05,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 422 events. 96/422 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2117 event pairs, 40 based on Foata normal form. 0/397 useless extension candidates. Maximal degree in co-relation 614. Up to 170 conditions per place. [2023-11-26 11:50:05,355 INFO L140 encePairwiseOnDemand]: 83/94 looper letters, 29 selfloop transitions, 22 changer transitions 0/112 dead transitions. [2023-11-26 11:50:05,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 112 transitions, 329 flow [2023-11-26 11:50:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:50:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 466 transitions. [2023-11-26 11:50:05,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8262411347517731 [2023-11-26 11:50:05,381 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 466 transitions. [2023-11-26 11:50:05,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 466 transitions. [2023-11-26 11:50:05,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:05,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 466 transitions. [2023-11-26 11:50:05,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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 11:50:05,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:05,404 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:05,406 INFO L175 Difference]: Start difference. First operand has 87 places, 83 transitions, 169 flow. Second operand 6 states and 466 transitions. [2023-11-26 11:50:05,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 112 transitions, 329 flow [2023-11-26 11:50:05,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 112 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:50:05,413 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 318 flow [2023-11-26 11:50:05,416 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=318, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2023-11-26 11:50:05,420 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 9 predicate places. [2023-11-26 11:50:05,420 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 318 flow [2023-11-26 11:50:05,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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 11:50:05,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:05,421 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] [2023-11-26 11:50:05,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:50:05,422 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 11:50:05,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:05,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1487508893, now seen corresponding path program 1 times [2023-11-26 11:50:05,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:05,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945348002] [2023-11-26 11:50:05,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:05,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:05,793 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 11:50:05,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:05,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945348002] [2023-11-26 11:50:05,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945348002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:05,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:05,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:50:05,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629344423] [2023-11-26 11:50:05,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:05,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:50:05,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:05,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:05,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:50:06,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 94 [2023-11-26 11:50:06,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 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 11:50:06,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:06,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 94 [2023-11-26 11:50:06,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:06,232 INFO L124 PetriNetUnfolderBase]: 139/634 cut-off events. [2023-11-26 11:50:06,233 INFO L125 PetriNetUnfolderBase]: For 134/144 co-relation queries the response was YES. [2023-11-26 11:50:06,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 634 events. 139/634 cut-off events. For 134/144 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3732 event pairs, 49 based on Foata normal form. 0/594 useless extension candidates. Maximal degree in co-relation 1081. Up to 232 conditions per place. [2023-11-26 11:50:06,241 INFO L140 encePairwiseOnDemand]: 83/94 looper letters, 41 selfloop transitions, 26 changer transitions 0/133 dead transitions. [2023-11-26 11:50:06,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 133 transitions, 528 flow [2023-11-26 11:50:06,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:50:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 483 transitions. [2023-11-26 11:50:06,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2023-11-26 11:50:06,244 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 483 transitions. [2023-11-26 11:50:06,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 483 transitions. [2023-11-26 11:50:06,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:06,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 483 transitions. [2023-11-26 11:50:06,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 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 11:50:06,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:06,250 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:06,251 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 318 flow. Second operand 6 states and 483 transitions. [2023-11-26 11:50:06,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 133 transitions, 528 flow [2023-11-26 11:50:06,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 133 transitions, 528 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:50:06,259 INFO L231 Difference]: Finished difference. Result has 106 places, 125 transitions, 502 flow [2023-11-26 11:50:06,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=502, PETRI_PLACES=106, PETRI_TRANSITIONS=125} [2023-11-26 11:50:06,260 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 19 predicate places. [2023-11-26 11:50:06,260 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 125 transitions, 502 flow [2023-11-26 11:50:06,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 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 11:50:06,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:06,261 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] [2023-11-26 11:50:06,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:50:06,262 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 11:50:06,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1860634136, now seen corresponding path program 1 times [2023-11-26 11:50:06,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:06,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37666234] [2023-11-26 11:50:06,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:06,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:06,764 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 11:50:06,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:06,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37666234] [2023-11-26 11:50:06,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37666234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:06,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:06,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:50:06,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372020787] [2023-11-26 11:50:06,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:06,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:50:06,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:06,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:06,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:50:06,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 94 [2023-11-26 11:50:06,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 125 transitions, 502 flow. Second operand has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 11:50:06,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:06,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 94 [2023-11-26 11:50:06,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:07,447 INFO L124 PetriNetUnfolderBase]: 375/1168 cut-off events. [2023-11-26 11:50:07,447 INFO L125 PetriNetUnfolderBase]: For 624/645 co-relation queries the response was YES. [2023-11-26 11:50:07,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2753 conditions, 1168 events. 375/1168 cut-off events. For 624/645 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7201 event pairs, 125 based on Foata normal form. 2/1095 useless extension candidates. Maximal degree in co-relation 2714. Up to 668 conditions per place. [2023-11-26 11:50:07,462 INFO L140 encePairwiseOnDemand]: 75/94 looper letters, 74 selfloop transitions, 69 changer transitions 0/196 dead transitions. [2023-11-26 11:50:07,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 196 transitions, 1056 flow [2023-11-26 11:50:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:50:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 465 transitions. [2023-11-26 11:50:07,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.824468085106383 [2023-11-26 11:50:07,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 465 transitions. [2023-11-26 11:50:07,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 465 transitions. [2023-11-26 11:50:07,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:07,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 465 transitions. [2023-11-26 11:50:07,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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 11:50:07,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:07,473 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:07,473 INFO L175 Difference]: Start difference. First operand has 106 places, 125 transitions, 502 flow. Second operand 6 states and 465 transitions. [2023-11-26 11:50:07,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 196 transitions, 1056 flow [2023-11-26 11:50:07,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 196 transitions, 1056 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:50:07,492 INFO L231 Difference]: Finished difference. Result has 116 places, 188 transitions, 1080 flow [2023-11-26 11:50:07,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1080, PETRI_PLACES=116, PETRI_TRANSITIONS=188} [2023-11-26 11:50:07,494 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 29 predicate places. [2023-11-26 11:50:07,494 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 188 transitions, 1080 flow [2023-11-26 11:50:07,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.33333333333333) internal successors, (386), 6 states have internal predecessors, (386), 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 11:50:07,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:07,496 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] [2023-11-26 11:50:07,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:50:07,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 11:50:07,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:07,500 INFO L85 PathProgramCache]: Analyzing trace with hash -541307322, now seen corresponding path program 1 times [2023-11-26 11:50:07,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:07,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890277759] [2023-11-26 11:50:07,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:07,912 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 11:50:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890277759] [2023-11-26 11:50:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890277759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:07,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:07,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:50:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752663838] [2023-11-26 11:50:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:07,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:50:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:07,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:07,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:50:08,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 94 [2023-11-26 11:50:08,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 188 transitions, 1080 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 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) [2023-11-26 11:50:08,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:08,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 94 [2023-11-26 11:50:08,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:08,519 INFO L124 PetriNetUnfolderBase]: 447/1359 cut-off events. [2023-11-26 11:50:08,519 INFO L125 PetriNetUnfolderBase]: For 1696/1744 co-relation queries the response was YES. [2023-11-26 11:50:08,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4029 conditions, 1359 events. 447/1359 cut-off events. For 1696/1744 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 8783 event pairs, 105 based on Foata normal form. 7/1313 useless extension candidates. Maximal degree in co-relation 3983. Up to 758 conditions per place. [2023-11-26 11:50:08,538 INFO L140 encePairwiseOnDemand]: 79/94 looper letters, 128 selfloop transitions, 67 changer transitions 0/249 dead transitions. [2023-11-26 11:50:08,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 249 transitions, 1824 flow [2023-11-26 11:50:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:50:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 432 transitions. [2023-11-26 11:50:08,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7659574468085106 [2023-11-26 11:50:08,546 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 432 transitions. [2023-11-26 11:50:08,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 432 transitions. [2023-11-26 11:50:08,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:08,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 432 transitions. [2023-11-26 11:50:08,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 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 11:50:08,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:08,551 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 94.0) internal successors, (658), 7 states have internal predecessors, (658), 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 11:50:08,551 INFO L175 Difference]: Start difference. First operand has 116 places, 188 transitions, 1080 flow. Second operand 6 states and 432 transitions. [2023-11-26 11:50:08,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 249 transitions, 1824 flow [2023-11-26 11:50:08,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 249 transitions, 1768 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-26 11:50:08,579 INFO L231 Difference]: Finished difference. Result has 126 places, 241 transitions, 1684 flow [2023-11-26 11:50:08,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=1030, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1684, PETRI_PLACES=126, PETRI_TRANSITIONS=241} [2023-11-26 11:50:08,582 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 39 predicate places. [2023-11-26 11:50:08,582 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 241 transitions, 1684 flow [2023-11-26 11:50:08,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 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) [2023-11-26 11:50:08,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:08,583 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] [2023-11-26 11:50:08,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:50:08,584 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 11:50:08,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:08,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2143483660, now seen corresponding path program 1 times [2023-11-26 11:50:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:08,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864205475] [2023-11-26 11:50:08,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:08,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:08,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:50:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:08,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:50:08,680 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:50:08,682 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-26 11:50:08,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-26 11:50:08,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-26 11:50:08,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-26 11:50:08,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-26 11:50:08,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-26 11:50:08,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-26 11:50:08,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-26 11:50:08,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:50:08,687 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 11:50:08,695 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:50:08,695 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:50:08,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated [2023-11-26 11:50:08,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,759 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:50:08,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-26 11:50:08,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:50:08,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-26 11:50:08,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:50:08 BasicIcfg [2023-11-26 11:50:08,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:50:08,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:50:08,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:50:08,794 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:50:08,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:03" (3/4) ... [2023-11-26 11:50:08,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:50:08,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:50:08,799 INFO L158 Benchmark]: Toolchain (without parser) took 7376.49ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 122.5MB in the beginning and 80.3MB in the end (delta: 42.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2023-11-26 11:50:08,799 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 78.6MB in the beginning and 78.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:08,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.16ms. Allocated memory is still 155.2MB. Free memory was 122.5MB in the beginning and 94.4MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 11:50:08,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.25ms. Allocated memory is still 155.2MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:08,803 INFO L158 Benchmark]: Boogie Preprocessor took 78.12ms. Allocated memory is still 155.2MB. Free memory was 92.3MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:08,804 INFO L158 Benchmark]: RCFGBuilder took 710.02ms. Allocated memory is still 155.2MB. Free memory was 90.3MB in the beginning and 72.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:50:08,810 INFO L158 Benchmark]: TraceAbstraction took 5565.98ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 72.4MB in the beginning and 80.3MB in the end (delta: -7.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2023-11-26 11:50:08,813 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 224.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:08,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 78.6MB in the beginning and 78.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.16ms. Allocated memory is still 155.2MB. Free memory was 122.5MB in the beginning and 94.4MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.25ms. Allocated memory is still 155.2MB. Free memory was 94.4MB in the beginning and 92.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.12ms. Allocated memory is still 155.2MB. Free memory was 92.3MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.02ms. Allocated memory is still 155.2MB. Free memory was 90.3MB in the beginning and 72.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5565.98ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 72.4MB in the beginning and 80.3MB in the end (delta: -7.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 224.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 931]: Data race detected [2023-11-26 11:50:08,851 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated [2023-11-26 11:50:08,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,864 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:50:08,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-26 11:50:08,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:50:08,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-26 11:50:08,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre35 could not be translated [2023-11-26 11:50:08,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 11:50:08,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:50:08,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-26 11:50:08,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 11:50:08,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-26 11:50:08,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-26 11:50:08,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated Data race detected The following path leads to a data race: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}] [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}] [L927] 0 pthread_t id; VAL [id={6:0}, mutex1={1:0}, mutex2={2:0}] [L928] 0 int i; VAL [i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}] [L920] 1 int *p = (int *) arg; VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] EXPR 1 \read(*p) VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] EXPR 0 \read(i) VAL [arg={5:0}, arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [arg={5:0}, arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [arg={5:0}, arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [arg={5:0}, arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [arg={5:0}, arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L922] 1 (*p)++ VAL [arg={5:0}, arg={5:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] [L931] 0 i++ VAL [arg={5:0}, arg={5:0}, i={5:0}, id={6:0}, mutex1={1:0}, mutex2={2:0}, p={5:0}] Now there is a data race (on the heap) between C: (*p)++ [922] and C: i++ [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 124 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: 5.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 941 IncrementalHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 5 mSDtfsCounter, 941 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1684occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-26 11:50:08,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc9b10c-774a-4729-8587-105ff2bdd485/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE