./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/reorder_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 14:19:44,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 14:19:44,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-02 14:19:44,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 14:19:44,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 14:19:44,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 14:19:44,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 14:19:44,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 14:19:44,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 14:19:44,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 14:19:44,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 14:19:44,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 14:19:44,297 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 14:19:44,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 14:19:44,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 14:19:44,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 14:19:44,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 14:19:44,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 14:19:44,301 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 14:19:44,301 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 14:19:44,301 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 14:19:44,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 14:19:44,306 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 14:19:44,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 14:19:44,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 14:19:44,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 14:19:44,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 14:19:44,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 14:19:44,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 14:19:44,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 14:19:44,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 14:19:44,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:19:44,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 14:19:44,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 14:19:44,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-02 14:19:44,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 14:19:44,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 14:19:44,311 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-02 14:19:44,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-02 14:19:44,311 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-02 14:19:44,312 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-02 14:19:44,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0 [2024-11-02 14:19:44,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 14:19:44,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 14:19:44,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 14:19:44,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 14:19:44,622 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 14:19:44,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/../../sv-benchmarks/c/pthread/reorder_2-2.i Unable to find full path for "g++" [2024-11-02 14:19:46,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 14:19:46,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 14:19:46,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/sv-benchmarks/c/pthread/reorder_2-2.i [2024-11-02 14:19:46,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data/e49ee9974/992c8a3e5c9641919b2f7ddb2d6559e2/FLAG2696d05b9 [2024-11-02 14:19:47,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data/e49ee9974/992c8a3e5c9641919b2f7ddb2d6559e2 [2024-11-02 14:19:47,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 14:19:47,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 14:19:47,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 14:19:47,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 14:19:47,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 14:19:47,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:19:47" (1/1) ... [2024-11-02 14:19:47,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752f6d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:47, skipping insertion in model container [2024-11-02 14:19:47,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:19:47" (1/1) ... [2024-11-02 14:19:47,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 14:19:48,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:19:48,221 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 14:19:48,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:19:48,441 INFO L204 MainTranslator]: Completed translation [2024-11-02 14:19:48,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48 WrapperNode [2024-11-02 14:19:48,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 14:19:48,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 14:19:48,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 14:19:48,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 14:19:48,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,499 INFO L138 Inliner]: procedures = 372, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 137 [2024-11-02 14:19:48,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 14:19:48,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 14:19:48,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 14:19:48,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 14:19:48,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 14:19:48,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 14:19:48,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 14:19:48,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 14:19:48,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (1/1) ... [2024-11-02 14:19:48,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:19:48,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:19:48,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 14:19:48,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 14:19:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 14:19:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 14:19:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 14:19:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 14:19:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 14:19:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-02 14:19:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-02 14:19:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 14:19:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 14:19:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-02 14:19:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-02 14:19:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 14:19:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 14:19:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 14:19:48,639 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 14:19:48,920 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 14:19:48,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 14:19:49,231 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 14:19:49,232 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 14:19:49,409 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 14:19:49,409 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-02 14:19:49,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:19:49 BoogieIcfgContainer [2024-11-02 14:19:49,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 14:19:49,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 14:19:49,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 14:19:49,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 14:19:49,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:19:47" (1/3) ... [2024-11-02 14:19:49,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4685cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:19:49, skipping insertion in model container [2024-11-02 14:19:49,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:48" (2/3) ... [2024-11-02 14:19:49,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4685cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:19:49, skipping insertion in model container [2024-11-02 14:19:49,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:19:49" (3/3) ... [2024-11-02 14:19:49,421 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-2.i [2024-11-02 14:19:49,437 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 14:19:49,437 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-02 14:19:49,437 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 14:19:49,494 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-02 14:19:49,543 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:19:49,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-02 14:19:49,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:19:49,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-02 14:19:49,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-02 14:19:49,591 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-02 14:19:49,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread1of1ForFork1 ======== [2024-11-02 14:19:49,608 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@3c1104fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:19:49,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 14:19:50,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 14:19:50,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:19:50,055 INFO L85 PathProgramCache]: Analyzing trace with hash -951092773, now seen corresponding path program 1 times [2024-11-02 14:19:50,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:19:50,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355153094] [2024-11-02 14:19:50,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:19:50,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:19:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:19:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-02 14:19:50,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:19:50,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355153094] [2024-11-02 14:19:50,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355153094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:19:50,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:19:50,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 14:19:50,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484246643] [2024-11-02 14:19:50,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:19:50,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 14:19:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:19:50,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 14:19:50,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 14:19:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:19:50,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:19:50,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-02 14:19:50,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:19:51,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:19:51,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 14:19:51,173 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 14:19:51,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:19:51,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1266456981, now seen corresponding path program 1 times [2024-11-02 14:19:51,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:19:51,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679330800] [2024-11-02 14:19:51,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:19:51,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:19:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:19:51,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 14:19:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:19:51,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-02 14:19:51,347 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 14:19:51,349 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2024-11-02 14:19:51,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 14:19:51,367 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 14:19:51,370 INFO L317 ceAbstractionStarter]: Result for error location checkThreadThread1of1ForFork1 was UNSAFE (1/2) [2024-11-02 14:19:51,440 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 14:19:51,440 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 14:19:51,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-02 14:19:51,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:19:51 BasicIcfg [2024-11-02 14:19:51,466 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 14:19:51,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 14:19:51,466 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 14:19:51,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 14:19:51,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:19:49" (3/4) ... [2024-11-02 14:19:51,471 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 14:19:51,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 14:19:51,473 INFO L158 Benchmark]: Toolchain (without parser) took 4287.43ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 117.4MB in the end (delta: -25.8MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-02 14:19:51,474 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:19:51,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1254.62ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 111.9MB in the end (delta: -20.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-02 14:19:51,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.90ms. Allocated memory is still 159.4MB. Free memory was 111.9MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:19:51,475 INFO L158 Benchmark]: Boogie Preprocessor took 46.22ms. Allocated memory is still 159.4MB. Free memory was 108.9MB in the beginning and 107.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:19:51,476 INFO L158 Benchmark]: RCFGBuilder took 862.70ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 77.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-02 14:19:51,476 INFO L158 Benchmark]: TraceAbstraction took 2054.07ms. Allocated memory is still 159.4MB. Free memory was 76.3MB in the beginning and 117.4MB in the end (delta: -41.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-02 14:19:51,477 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 159.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:19:51,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1254.62ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 111.9MB in the end (delta: -20.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.90ms. Allocated memory is still 159.4MB. Free memory was 111.9MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.22ms. Allocated memory is still 159.4MB. Free memory was 108.9MB in the beginning and 107.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 862.70ms. Allocated memory is still 159.4MB. Free memory was 106.8MB in the beginning and 77.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2054.07ms. Allocated memory is still 159.4MB. Free memory was 76.3MB in the beginning and 117.4MB in the end (delta: -41.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 159.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 974, independent: 961, independent conditional: 45, independent unconditional: 916, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 40, dependent conditional: 22, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 290, dependent conditional: 0, dependent unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1860, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 892, Positive cache size: 886, Positive conditional cache size: 0, Positive unconditional cache size: 886, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, Independence queries for same thread: 7, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 32, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 922, independent: 916, independent conditional: 0, independent unconditional: 916, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 974, independent: 961, independent conditional: 45, independent unconditional: 916, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 40, dependent conditional: 22, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 290, dependent conditional: 0, dependent unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1860, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 892, Positive cache size: 886, Positive conditional cache size: 0, Positive unconditional cache size: 886, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, Independence queries for same thread: 7, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 906, independent: 879, independent conditional: 86, independent unconditional: 793, dependent: 27, dependent conditional: 15, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 40, dependent conditional: 22, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 290, dependent conditional: 0, dependent unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1860, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1243, Positive conditional cache size: 0, Positive unconditional cache size: 1243, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 133, Maximal queried relation: 1, Independence queries for same thread: 21, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 46, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 805, independent: 793, independent conditional: 0, independent unconditional: 793, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 906, independent: 879, independent conditional: 86, independent unconditional: 793, dependent: 27, dependent conditional: 15, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 40, dependent conditional: 22, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1859, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 131, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1860, independent: 1840, independent conditional: 0, independent unconditional: 1840, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 300, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 290, dependent conditional: 0, dependent unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1860, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1243, Positive conditional cache size: 0, Positive unconditional cache size: 1243, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 133, Maximal queried relation: 1, Independence queries for same thread: 21, Statistics for Abstraction: - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of sscanf at line 1254, overapproximation of memtrack at line 20. Possible FailurePath: [L1238] 0 static int iSet = 2; [L1239] 0 static int iCheck = 2; [L1240] 0 static int a = 0; [L1241] 0 static int b = 0; [L1247] 0 int i, err; VAL [\old(argc)=3, \old(argv)={50:52}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1248] COND TRUE 0 argc != 1 VAL [\old(argc)=3, \old(argv)={50:52}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1249] COND FALSE 0 !(argc != 3) VAL [\old(argc)=3, \old(argv)={50:52}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1253] 0 argv[1] [L1254] 0 argv[2] [L1257] 0 pthread_t setPool[iSet]; [L1258] 0 pthread_t checkPool[iCheck]; [L1259] 0 i = 0 VAL [\old(argc)=3, \old(argv)={50:52}, a=0, argc=3, b=0, checkPool={6:0}, i=0, iCheck=2, iSet=1, setPool={5:0}] [L1259] COND TRUE 0 i < iSet [L1260] EXPR, FCALL, FORK 0 pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={50:52}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={6:0}, i=0, iCheck=2, iSet=1, setPool={5:0}] [L1260] EXPR 0 err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) [L1260] COND FALSE 0 !(0 != (err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)))) [L1259] 0 i++ VAL [\old(argc)=3, \old(argv)={50:52}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={6:0}, err=0, i=1, iCheck=2, iSet=1, setPool={5:0}] [L1259] COND FALSE 0 !(i < iSet) [L1265] 0 i = 0 VAL [\old(argc)=3, \old(argv)={50:52}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={6:0}, err=0, i=0, iCheck=2, iSet=1, setPool={5:0}] [L1265] COND TRUE 0 i < iCheck [L1266-L1267] EXPR, FCALL, FORK 0 pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={50:52}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={6:0}, err=0, i=0, iCheck=2, iSet=1, setPool={5:0}] [L1297] 2 int la = a; VAL [\old(param)={0:0}, \old(param)={0:0}, a=0, b=0, iCheck=2, iSet=1, la=0, param={0:0}] [L1266-L1267] EXPR 0 err = pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) [L1266-L1267] COND FALSE 0 !(0 != (err = pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)))) [L1265] 0 i++ VAL [\old(argc)=3, \old(argv)={50:52}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={6:0}, err=0, i=1, iCheck=2, iSet=1, setPool={5:0}] [L1265] COND TRUE 0 i < iCheck [L1266-L1267] FCALL, FORK 0 pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={50:52}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={6:0}, err=0, i=1, iCheck=2, iSet=1, setPool={5:0}] [L1288] 1 a = 1 VAL [\old(param)={0:0}, a=1, b=0, iCheck=2, iSet=1, param={0:0}] [L1291] 1 b = -1 VAL [\old(param)={0:0}, a=1, b=-1, iCheck=2, iSet=1, param={0:0}] [L1300] 2 int lb = b; VAL [\old(param)={0:0}, \old(param)={0:0}, a=1, b=-1, iCheck=2, iSet=1, la=0, lb=-1, param={0:0}, param={0:0}] [L1302] COND TRUE 2 ! ((la == 0 && lb == 0) || (la == 1 && lb == -1)) [L1304] CALL 2 reach_error() [L20] COND FALSE 2 !(0) VAL [\old(param)={0:0}, a=1, b=-1, iCheck=2, iSet=1, param={0:0}] [L20] 2 __assert_fail ("0", "reorder_2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(param)={0:0}, a=1, b=-1, iCheck=2, iSet=1, param={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: checkThreadThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 67 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1/1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-02 14:19:51,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 14:19:54,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 14:19:54,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2024-11-02 14:19:54,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 14:19:54,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 14:19:54,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 14:19:54,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 14:19:54,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 14:19:54,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 14:19:54,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 14:19:54,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 14:19:54,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 14:19:54,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 14:19:54,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 14:19:54,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 14:19:54,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 14:19:54,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 14:19:54,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 14:19:54,462 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 14:19:54,462 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 14:19:54,462 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 14:19:54,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 14:19:54,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 14:19:54,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 14:19:54,465 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 14:19:54,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 14:19:54,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 14:19:54,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 14:19:54,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 14:19:54,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 14:19:54,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 14:19:54,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 14:19:54,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 14:19:54,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:19:54,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 14:19:54,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 14:19:54,471 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-02 14:19:54,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 14:19:54,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 14:19:54,472 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-02 14:19:54,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-02 14:19:54,473 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-02 14:19:54,473 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-02 14:19:54,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 14:19:54,473 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3383b6c07cf534421a7126af6d1505c2131b6416498f0a6ca41b356029c5a1e0 [2024-11-02 14:19:54,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 14:19:54,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 14:19:54,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 14:19:54,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 14:19:54,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 14:19:54,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/../../sv-benchmarks/c/pthread/reorder_2-2.i Unable to find full path for "g++" [2024-11-02 14:19:57,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 14:19:57,819 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 14:19:57,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/sv-benchmarks/c/pthread/reorder_2-2.i [2024-11-02 14:19:57,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data/cec6dfd7c/b710c2727c2b45fba4f2a2ff9ddb7b0c/FLAG28a5d3c22 [2024-11-02 14:19:57,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/data/cec6dfd7c/b710c2727c2b45fba4f2a2ff9ddb7b0c [2024-11-02 14:19:57,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 14:19:57,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 14:19:57,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 14:19:57,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 14:19:57,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 14:19:57,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:19:57" (1/1) ... [2024-11-02 14:19:57,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142e7be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:57, skipping insertion in model container [2024-11-02 14:19:57,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:19:57" (1/1) ... [2024-11-02 14:19:57,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 14:19:59,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:19:59,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 14:19:59,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:19:59,441 INFO L204 MainTranslator]: Completed translation [2024-11-02 14:19:59,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59 WrapperNode [2024-11-02 14:19:59,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 14:19:59,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 14:19:59,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 14:19:59,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 14:19:59,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,579 INFO L138 Inliner]: procedures = 375, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2024-11-02 14:19:59,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 14:19:59,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 14:19:59,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 14:19:59,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 14:19:59,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 14:19:59,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 14:19:59,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 14:19:59,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 14:19:59,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (1/1) ... [2024-11-02 14:19:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:19:59,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:19:59,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 14:19:59,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 14:19:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 14:19:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-02 14:19:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 14:19:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 14:19:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 14:19:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 14:19:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-02 14:19:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-02 14:19:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-02 14:19:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 14:19:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-02 14:19:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-02 14:19:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 14:19:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 14:19:59,794 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 14:19:59,991 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 14:19:59,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 14:20:00,453 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 14:20:00,454 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 14:20:00,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 14:20:00,694 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-02 14:20:00,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:00 BoogieIcfgContainer [2024-11-02 14:20:00,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 14:20:00,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 14:20:00,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 14:20:00,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 14:20:00,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:19:57" (1/3) ... [2024-11-02 14:20:00,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2322b5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:00, skipping insertion in model container [2024-11-02 14:20:00,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:19:59" (2/3) ... [2024-11-02 14:20:00,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2322b5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:20:00, skipping insertion in model container [2024-11-02 14:20:00,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:00" (3/3) ... [2024-11-02 14:20:00,710 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2-2.i [2024-11-02 14:20:00,731 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 14:20:00,731 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-02 14:20:00,731 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 14:20:00,807 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-02 14:20:00,879 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:20:00,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-02 14:20:00,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:20:00,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-02 14:20:00,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-02 14:20:00,934 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-02 14:20:00,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread1of1ForFork1 ======== [2024-11-02 14:20:00,961 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@31ceb2d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:20:00,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 14:20:01,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 14:20:01,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:01,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1824176293, now seen corresponding path program 1 times [2024-11-02 14:20:01,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-02 14:20:01,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567189858] [2024-11-02 14:20:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:20:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat [2024-11-02 14:20:01,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 14:20:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 14:20:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:20:01,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 14:20:01,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 14:20:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-02 14:20:01,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 14:20:01,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-02 14:20:01,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567189858] [2024-11-02 14:20:01,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567189858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:20:01,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:20:01,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 14:20:01,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508753976] [2024-11-02 14:20:01,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:20:01,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 14:20:01,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-02 14:20:01,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 14:20:01,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 14:20:02,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:02,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:20:02,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-02 14:20:02,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:20:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 14:20:02,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 14:20:02,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:20:02,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-02 14:20:02,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:20:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash -434547501, now seen corresponding path program 1 times [2024-11-02 14:20:02,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-02 14:20:02,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700876625] [2024-11-02 14:20:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:20:02,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:20:02,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat [2024-11-02 14:20:02,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 14:20:02,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 14:20:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:20:02,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 14:20:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:20:02,947 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-02 14:20:02,948 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 14:20:02,951 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2024-11-02 14:20:02,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 14:20:03,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:20:03,165 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 14:20:03,167 INFO L317 ceAbstractionStarter]: Result for error location checkThreadThread1of1ForFork1 was UNSAFE (1/2) [2024-11-02 14:20:03,237 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 14:20:03,237 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 14:20:03,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-02 14:20:03,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:20:03 BasicIcfg [2024-11-02 14:20:03,264 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 14:20:03,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 14:20:03,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 14:20:03,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 14:20:03,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:20:00" (3/4) ... [2024-11-02 14:20:03,270 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 14:20:03,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 14:20:03,274 INFO L158 Benchmark]: Toolchain (without parser) took 5400.65ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 87.1MB in the beginning and 110.4MB in the end (delta: -23.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-02 14:20:03,275 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:20:03,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.40ms. Allocated memory is still 113.2MB. Free memory was 86.8MB in the beginning and 74.7MB in the end (delta: 12.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-02 14:20:03,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.75ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 71.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 14:20:03,278 INFO L158 Benchmark]: Boogie Preprocessor took 98.21ms. Allocated memory is still 113.2MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:20:03,278 INFO L158 Benchmark]: RCFGBuilder took 1016.99ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 69.9MB in the end (delta: -483.7kB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-02 14:20:03,281 INFO L158 Benchmark]: TraceAbstraction took 2565.87ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 69.0MB in the beginning and 110.4MB in the end (delta: -41.5MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-02 14:20:03,282 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 140.5MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:20:03,288 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.40ms. Allocated memory is still 113.2MB. Free memory was 86.8MB in the beginning and 74.7MB in the end (delta: 12.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.75ms. Allocated memory is still 113.2MB. Free memory was 74.7MB in the beginning and 71.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.21ms. Allocated memory is still 113.2MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1016.99ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 69.9MB in the end (delta: -483.7kB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2565.87ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 69.0MB in the beginning and 110.4MB in the end (delta: -41.5MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 140.5MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 974, independent: 961, independent conditional: 45, independent unconditional: 916, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 39, dependent conditional: 21, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1861, independent: 598, independent conditional: 0, independent unconditional: 598, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 892, Positive cache size: 886, Positive conditional cache size: 0, Positive unconditional cache size: 886, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, Independence queries for same thread: 7, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 32, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 922, independent: 916, independent conditional: 0, independent unconditional: 916, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 974, independent: 961, independent conditional: 45, independent unconditional: 916, dependent: 13, dependent conditional: 7, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 39, dependent conditional: 21, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1861, independent: 598, independent conditional: 0, independent unconditional: 598, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 892, Positive cache size: 886, Positive conditional cache size: 0, Positive unconditional cache size: 886, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45, Maximal queried relation: 0, Independence queries for same thread: 7, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 906, independent: 880, independent conditional: 87, independent unconditional: 793, dependent: 26, dependent conditional: 14, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 39, dependent conditional: 21, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1861, independent: 598, independent conditional: 0, independent unconditional: 598, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1243, Positive conditional cache size: 0, Positive unconditional cache size: 1243, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 134, Maximal queried relation: 1, Independence queries for same thread: 20, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 46, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 805, independent: 793, independent conditional: 0, independent unconditional: 793, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 906, independent: 880, independent conditional: 87, independent unconditional: 793, dependent: 26, dependent conditional: 14, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1880, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 39, dependent conditional: 21, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1860, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 132, independent unconditional: 1709, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1861, independent: 1841, independent conditional: 0, independent unconditional: 1841, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1259, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1259, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1861, independent: 598, independent conditional: 0, independent unconditional: 598, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1259, unknown conditional: 0, unknown unconditional: 1259] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1243, Positive conditional cache size: 0, Positive unconditional cache size: 1243, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 134, Maximal queried relation: 1, Independence queries for same thread: 20, Statistics for Abstraction: - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of sscanf at line 1254, overapproximation of memtrack at line 20. Possible FailurePath: [L1238] 0 static int iSet = 2; [L1239] 0 static int iCheck = 2; [L1240] 0 static int a = 0; [L1241] 0 static int b = 0; [L1247] 0 int i, err; VAL [\old(argc)=3, \old(argv)={7:6}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1248] COND TRUE 0 argc != 1 VAL [\old(argc)=3, \old(argv)={7:6}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1249] COND FALSE 0 !(argc != 3) VAL [\old(argc)=3, \old(argv)={7:6}, a=0, argc=3, b=0, iCheck=2, iSet=2] [L1253] 0 argv[1] [L1254] 0 argv[2] [L1257] 0 pthread_t setPool[iSet]; [L1258] 0 pthread_t checkPool[iCheck]; [L1259] 0 i = 0 VAL [\old(argc)=3, \old(argv)={7:6}, a=0, argc=3, b=0, checkPool={5:0}, i=0, iCheck=536870912, iSet=1, setPool={3:0}] [L1259] COND TRUE 0 i < iSet [L1260] EXPR, FCALL, FORK 0 pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={7:6}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, i=0, iCheck=536870912, iSet=1, setPool={3:0}] [L1260] EXPR 0 err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) [L1260] COND FALSE 0 !(0 != (err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)))) [L1259] 0 i++ VAL [\old(argc)=3, \old(argv)={7:6}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, err=0, i=1, iCheck=536870912, iSet=1, setPool={3:0}] [L1259] COND FALSE 0 !(i < iSet) [L1265] 0 i = 0 VAL [\old(argc)=3, \old(argv)={7:6}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=536870912, iSet=1, setPool={3:0}] [L1265] COND TRUE 0 i < iCheck [L1266-L1267] EXPR, FCALL, FORK 0 pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={7:6}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, err=0, i=0, iCheck=536870912, iSet=1, setPool={3:0}] [L1297] 2 int la = a; VAL [\old(param)={0:0}, \old(param)={0:0}, a=0, b=0, iCheck=536870912, iSet=1, la=0, param={0:0}] [L1266-L1267] EXPR 0 err = pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) [L1266-L1267] COND FALSE 0 !(0 != (err = pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)))) [L1265] 0 i++ VAL [\old(argc)=3, \old(argv)={7:6}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, err=0, i=1, iCheck=536870912, iSet=1, setPool={3:0}] [L1265] COND TRUE 0 i < iCheck [L1266-L1267] FCALL, FORK 0 pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) VAL [\old(argc)=3, \old(argv)={7:6}, \old(param)={0:0}, a=0, argc=3, b=0, checkPool={5:0}, err=0, i=1, iCheck=536870912, iSet=1, setPool={3:0}] [L1288] 1 a = 1 VAL [\old(param)={0:0}, a=1, b=0, iCheck=536870912, iSet=1, param={0:0}] [L1291] 1 b = -1 VAL [\old(param)={0:0}, a=1, b=-1, iCheck=536870912, iSet=1, param={0:0}] [L1300] 2 int lb = b; VAL [\old(param)={0:0}, \old(param)={0:0}, a=1, b=-1, iCheck=536870912, iSet=1, la=0, lb=-1, param={0:0}, param={0:0}] [L1302] COND TRUE 2 ! ((la == 0 && lb == 0) || (la == 1 && lb == -1)) [L1304] CALL 2 reach_error() [L20] COND FALSE 2 !(0) VAL [\old(param)={0:0}, a=1, b=-1, iCheck=536870912, iSet=1, param={0:0}] [L20] 2 __assert_fail ("0", "reorder_2.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(param)={0:0}, a=1, b=-1, iCheck=536870912, iSet=1, param={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: checkThreadThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 67 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 2 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1/1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-02 14:20:03,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff898572-207a-4dce-a07a-6f8ecef43c0a/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample