./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix014.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:10,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:10,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:56:10,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:10,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:10,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:10,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:10,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:10,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:10,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:10,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:10,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:10,512 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:10,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:10,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:56:10,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:10,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:56:10,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:10,517 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:56:10,518 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:56:10,519 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:56:10,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:10,520 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:56:10,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:56:10,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:56:10,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:10,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:10,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:10,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:10,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:10,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:10,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:10,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:10,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:56:10,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:10,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:10,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:10,529 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:10,529 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd [2023-11-19 07:56:10,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:10,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:10,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:10,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:10,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:10,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix014.opt.i [2023-11-19 07:56:14,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:14,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:14,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/sv-benchmarks/c/pthread-wmm/mix014.opt.i [2023-11-19 07:56:14,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data/28464f808/e2116f9781424624bfd567753e1347b4/FLAG174a5f448 [2023-11-19 07:56:14,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data/28464f808/e2116f9781424624bfd567753e1347b4 [2023-11-19 07:56:14,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:14,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:14,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:14,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:14,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:14,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:14" (1/1) ... [2023-11-19 07:56:14,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4a711c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:14, skipping insertion in model container [2023-11-19 07:56:14,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:14" (1/1) ... [2023-11-19 07:56:14,639 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:15,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:15,089 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:15,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:15,278 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:15,278 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:15,287 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:15,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15 WrapperNode [2023-11-19 07:56:15,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:15,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:15,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:15,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:15,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,425 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 171 [2023-11-19 07:56:15,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:15,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:15,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:15,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:15,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:15,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:15,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:15,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:15,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (1/1) ... [2023-11-19 07:56:15,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:15,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:15,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:56:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:56:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:56:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:56:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 07:56:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 07:56:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 07:56:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 07:56:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:15,629 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:56:15,850 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:15,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:16,347 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:16,537 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:16,537 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:56:16,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:16 BoogieIcfgContainer [2023-11-19 07:56:16,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:16,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:56:16,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:56:16,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:56:16,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:14" (1/3) ... [2023-11-19 07:56:16,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57be8761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:16, skipping insertion in model container [2023-11-19 07:56:16,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15" (2/3) ... [2023-11-19 07:56:16,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57be8761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:16, skipping insertion in model container [2023-11-19 07:56:16,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:16" (3/3) ... [2023-11-19 07:56:16,562 INFO L112 eAbstractionObserver]: Analyzing ICFG mix014.opt.i [2023-11-19 07:56:16,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:56:16,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-19 07:56:16,586 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:56:16,670 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:56:16,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 153 transitions, 322 flow [2023-11-19 07:56:16,820 INFO L124 PetriNetUnfolderBase]: 3/149 cut-off events. [2023-11-19 07:56:16,824 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:56:16,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 149 events. 3/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 122 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-19 07:56:16,832 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 153 transitions, 322 flow [2023-11-19 07:56:16,845 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 149 transitions, 310 flow [2023-11-19 07:56:16,849 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:56:16,861 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 149 transitions, 310 flow [2023-11-19 07:56:16,863 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 149 transitions, 310 flow [2023-11-19 07:56:16,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 149 transitions, 310 flow [2023-11-19 07:56:16,930 INFO L124 PetriNetUnfolderBase]: 3/149 cut-off events. [2023-11-19 07:56:16,930 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:56:16,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 149 events. 3/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 122 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-19 07:56:16,935 INFO L119 LiptonReduction]: Number of co-enabled transitions 4176 [2023-11-19 07:56:24,343 INFO L134 LiptonReduction]: Checked pairs total: 8876 [2023-11-19 07:56:24,343 INFO L136 LiptonReduction]: Total number of compositions: 151 [2023-11-19 07:56:24,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:56:24,372 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@5f711f4a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:56:24,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-19 07:56:24,374 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:56:24,375 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:56:24,375 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:56:24,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:24,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:56:24,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:24,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash 676, now seen corresponding path program 1 times [2023-11-19 07:56:24,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:24,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871558717] [2023-11-19 07:56:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:24,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:24,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871558717] [2023-11-19 07:56:24,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871558717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:24,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:24,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:56:24,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515511287] [2023-11-19 07:56:24,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:24,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:56:24,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:24,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:56:24,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:56:24,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 304 [2023-11-19 07:56:24,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 88 flow. Second operand has 2 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:24,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:24,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 304 [2023-11-19 07:56:24,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:26,117 INFO L124 PetriNetUnfolderBase]: 5143/7149 cut-off events. [2023-11-19 07:56:26,119 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-19 07:56:26,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14281 conditions, 7149 events. 5143/7149 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 36318 event pairs, 5143 based on Foata normal form. 0/6137 useless extension candidates. Maximal degree in co-relation 14269. Up to 6999 conditions per place. [2023-11-19 07:56:26,198 INFO L140 encePairwiseOnDemand]: 295/304 looper letters, 26 selfloop transitions, 0 changer transitions 0/29 dead transitions. [2023-11-19 07:56:26,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 29 transitions, 122 flow [2023-11-19 07:56:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:56:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:56:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 313 transitions. [2023-11-19 07:56:26,216 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5148026315789473 [2023-11-19 07:56:26,217 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 313 transitions. [2023-11-19 07:56:26,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 313 transitions. [2023-11-19 07:56:26,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:26,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 313 transitions. [2023-11-19 07:56:26,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:26,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:26,232 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:26,234 INFO L175 Difference]: Start difference. First operand has 50 places, 38 transitions, 88 flow. Second operand 2 states and 313 transitions. [2023-11-19 07:56:26,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 29 transitions, 122 flow [2023-11-19 07:56:26,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:56:26,241 INFO L231 Difference]: Finished difference. Result has 39 places, 29 transitions, 66 flow [2023-11-19 07:56:26,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=66, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2023-11-19 07:56:26,247 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2023-11-19 07:56:26,247 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 66 flow [2023-11-19 07:56:26,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:26,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:26,248 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:26,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:56:26,249 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:26,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 22049904, now seen corresponding path program 1 times [2023-11-19 07:56:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:26,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183006867] [2023-11-19 07:56:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:26,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:26,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:26,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183006867] [2023-11-19 07:56:26,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183006867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:26,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:26,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:56:26,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751733937] [2023-11-19 07:56:26,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:26,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:26,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:26,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:26,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:26,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 304 [2023-11-19 07:56:26,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:26,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:26,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 304 [2023-11-19 07:56:26,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:28,027 INFO L124 PetriNetUnfolderBase]: 4279/6141 cut-off events. [2023-11-19 07:56:28,027 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:56:28,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12118 conditions, 6141 events. 4279/6141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 32686 event pairs, 823 based on Foata normal form. 0/5657 useless extension candidates. Maximal degree in co-relation 12115. Up to 4609 conditions per place. [2023-11-19 07:56:28,079 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 34 selfloop transitions, 2 changer transitions 2/41 dead transitions. [2023-11-19 07:56:28,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 41 transitions, 166 flow [2023-11-19 07:56:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2023-11-19 07:56:28,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4967105263157895 [2023-11-19 07:56:28,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 453 transitions. [2023-11-19 07:56:28,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 453 transitions. [2023-11-19 07:56:28,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:28,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 453 transitions. [2023-11-19 07:56:28,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:28,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:28,105 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:28,105 INFO L175 Difference]: Start difference. First operand has 39 places, 29 transitions, 66 flow. Second operand 3 states and 453 transitions. [2023-11-19 07:56:28,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 41 transitions, 166 flow [2023-11-19 07:56:28,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 166 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:56:28,109 INFO L231 Difference]: Finished difference. Result has 40 places, 27 transitions, 66 flow [2023-11-19 07:56:28,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=40, PETRI_TRANSITIONS=27} [2023-11-19 07:56:28,111 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2023-11-19 07:56:28,112 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 66 flow [2023-11-19 07:56:28,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:28,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:28,120 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:28,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:56:28,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:28,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:28,122 INFO L85 PathProgramCache]: Analyzing trace with hash -284803565, now seen corresponding path program 1 times [2023-11-19 07:56:28,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:28,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896221002] [2023-11-19 07:56:28,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:29,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:29,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896221002] [2023-11-19 07:56:29,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896221002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:29,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:29,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:29,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076744658] [2023-11-19 07:56:29,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:29,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:56:29,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:29,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:56:29,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:56:29,600 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 304 [2023-11-19 07:56:29,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 66 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:29,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:29,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 304 [2023-11-19 07:56:29,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:30,793 INFO L124 PetriNetUnfolderBase]: 2959/4242 cut-off events. [2023-11-19 07:56:30,793 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-19 07:56:30,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8613 conditions, 4242 events. 2959/4242 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 21039 event pairs, 312 based on Foata normal form. 96/4194 useless extension candidates. Maximal degree in co-relation 8609. Up to 2761 conditions per place. [2023-11-19 07:56:30,837 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 44 selfloop transitions, 5 changer transitions 0/52 dead transitions. [2023-11-19 07:56:30,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 52 transitions, 214 flow [2023-11-19 07:56:30,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:56:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:56:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 783 transitions. [2023-11-19 07:56:30,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292763157894737 [2023-11-19 07:56:30,845 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 783 transitions. [2023-11-19 07:56:30,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 783 transitions. [2023-11-19 07:56:30,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:30,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 783 transitions. [2023-11-19 07:56:30,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.5) internal successors, (783), 6 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:30,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:30,859 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:30,859 INFO L175 Difference]: Start difference. First operand has 40 places, 27 transitions, 66 flow. Second operand 6 states and 783 transitions. [2023-11-19 07:56:30,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 52 transitions, 214 flow [2023-11-19 07:56:30,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 52 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:56:30,866 INFO L231 Difference]: Finished difference. Result has 43 places, 27 transitions, 78 flow [2023-11-19 07:56:30,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=78, PETRI_PLACES=43, PETRI_TRANSITIONS=27} [2023-11-19 07:56:30,869 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -7 predicate places. [2023-11-19 07:56:30,869 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 27 transitions, 78 flow [2023-11-19 07:56:30,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:30,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:30,870 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:30,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:56:30,876 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:30,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:30,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1179363291, now seen corresponding path program 1 times [2023-11-19 07:56:30,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:30,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911617682] [2023-11-19 07:56:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:32,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:32,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911617682] [2023-11-19 07:56:32,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911617682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:32,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:32,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:56:32,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311297129] [2023-11-19 07:56:32,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:32,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:56:32,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:32,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:56:32,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:56:33,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 304 [2023-11-19 07:56:33,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 27 transitions, 78 flow. Second operand has 8 states, 8 states have (on average 119.625) internal successors, (957), 8 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:33,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:33,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 304 [2023-11-19 07:56:33,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:34,341 INFO L124 PetriNetUnfolderBase]: 2795/4030 cut-off events. [2023-11-19 07:56:34,341 INFO L125 PetriNetUnfolderBase]: For 335/335 co-relation queries the response was YES. [2023-11-19 07:56:34,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8733 conditions, 4030 events. 2795/4030 cut-off events. For 335/335 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 20128 event pairs, 120 based on Foata normal form. 0/4030 useless extension candidates. Maximal degree in co-relation 8728. Up to 2784 conditions per place. [2023-11-19 07:56:34,373 INFO L140 encePairwiseOnDemand]: 295/304 looper letters, 52 selfloop transitions, 8 changer transitions 0/63 dead transitions. [2023-11-19 07:56:34,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 63 transitions, 271 flow [2023-11-19 07:56:34,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:56:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 07:56:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1005 transitions. [2023-11-19 07:56:34,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41324013157894735 [2023-11-19 07:56:34,380 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1005 transitions. [2023-11-19 07:56:34,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1005 transitions. [2023-11-19 07:56:34,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:34,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1005 transitions. [2023-11-19 07:56:34,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 125.625) internal successors, (1005), 8 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:34,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:34,392 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:34,392 INFO L175 Difference]: Start difference. First operand has 43 places, 27 transitions, 78 flow. Second operand 8 states and 1005 transitions. [2023-11-19 07:56:34,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 63 transitions, 271 flow [2023-11-19 07:56:34,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 63 transitions, 259 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:56:34,398 INFO L231 Difference]: Finished difference. Result has 46 places, 30 transitions, 103 flow [2023-11-19 07:56:34,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=103, PETRI_PLACES=46, PETRI_TRANSITIONS=30} [2023-11-19 07:56:34,401 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2023-11-19 07:56:34,401 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 30 transitions, 103 flow [2023-11-19 07:56:34,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.625) internal successors, (957), 8 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:34,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:34,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:34,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:56:34,402 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:34,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1179363267, now seen corresponding path program 1 times [2023-11-19 07:56:34,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:34,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811797689] [2023-11-19 07:56:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:34,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:34,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811797689] [2023-11-19 07:56:34,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811797689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:34,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:34,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:34,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511891082] [2023-11-19 07:56:34,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:34,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:34,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:34,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:34,665 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 304 [2023-11-19 07:56:34,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 30 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:34,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:34,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 304 [2023-11-19 07:56:34,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:36,198 INFO L124 PetriNetUnfolderBase]: 6877/9514 cut-off events. [2023-11-19 07:56:36,199 INFO L125 PetriNetUnfolderBase]: For 3296/3296 co-relation queries the response was YES. [2023-11-19 07:56:36,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22980 conditions, 9514 events. 6877/9514 cut-off events. For 3296/3296 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 47291 event pairs, 1787 based on Foata normal form. 224/9738 useless extension candidates. Maximal degree in co-relation 22973. Up to 5243 conditions per place. [2023-11-19 07:56:36,267 INFO L140 encePairwiseOnDemand]: 296/304 looper letters, 63 selfloop transitions, 9 changer transitions 0/72 dead transitions. [2023-11-19 07:56:36,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 72 transitions, 397 flow [2023-11-19 07:56:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:56:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:56:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 574 transitions. [2023-11-19 07:56:36,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720394736842105 [2023-11-19 07:56:36,272 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 574 transitions. [2023-11-19 07:56:36,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 574 transitions. [2023-11-19 07:56:36,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:36,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 574 transitions. [2023-11-19 07:56:36,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:36,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:36,279 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:36,279 INFO L175 Difference]: Start difference. First operand has 46 places, 30 transitions, 103 flow. Second operand 4 states and 574 transitions. [2023-11-19 07:56:36,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 72 transitions, 397 flow [2023-11-19 07:56:36,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 72 transitions, 384 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:56:36,285 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 176 flow [2023-11-19 07:56:36,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2023-11-19 07:56:36,286 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -2 predicate places. [2023-11-19 07:56:36,287 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 176 flow [2023-11-19 07:56:36,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:36,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:36,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:36,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:56:36,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:36,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:36,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1676696035, now seen corresponding path program 1 times [2023-11-19 07:56:36,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:36,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381046250] [2023-11-19 07:56:36,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:36,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:36,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:36,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381046250] [2023-11-19 07:56:36,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381046250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:36,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:36,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:36,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386365028] [2023-11-19 07:56:36,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:36,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:36,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:36,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:36,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 304 [2023-11-19 07:56:36,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 176 flow. Second operand has 4 states, 4 states have (on average 135.5) internal successors, (542), 4 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:36,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:36,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 304 [2023-11-19 07:56:36,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:37,391 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][23], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, 33#L876-3true, Black: 194#(= ~__unbuffered_p1_EAX~0 0), 29#L806true, Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, 200#true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,391 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,392 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,392 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,392 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,422 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][43], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 205#(and (= ~__unbuffered_cnt~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), P1Thread1of1ForFork3InUse, Black: 194#(= ~__unbuffered_p1_EAX~0 0), 29#L806true, Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 70#L758true, 192#true, 166#true, 100#L845true, 118#L778true, 34#L880true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,423 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,423 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,423 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,423 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 07:56:37,515 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][23], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, Black: 194#(= ~__unbuffered_p1_EAX~0 0), 29#L806true, Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, 34#L880true, 200#true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,515 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,516 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,516 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,516 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,517 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][23], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, 33#L876-3true, 44#P2EXITtrue, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, 200#true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,517 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,517 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,517 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,518 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,544 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][76], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 29#L806true, 192#true, 166#true, 100#L845true, 118#L778true, 203#(= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0), 34#L880true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,544 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,545 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,545 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,545 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,547 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][76], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, P1Thread1of1ForFork3InUse, 44#P2EXITtrue, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 70#L758true, 192#true, 166#true, 100#L845true, 118#L778true, 203#(= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0), 34#L880true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,547 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,547 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,547 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,547 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 07:56:37,621 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][23], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, 44#P2EXITtrue, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, 34#L880true, 200#true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,621 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,621 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,621 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,621 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,623 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([623] L887-->ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK: Formula: (and (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_30|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_30| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_40|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_40| 0) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EAX~0_28 0) (= v_~__unbuffered_p3_EAX~0_26 1) (= v_~x~0_20 2) (= 0 v_~__unbuffered_p3_EBX~0_16) (= v_~__unbuffered_p1_EBX~0_16 0) (= 2 v_~__unbuffered_p1_EAX~0_16))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_18)) InVars {~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_16, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_26, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~x~0=v_~x~0_20} OutVars{ULTIMATE.start_reach_error_#t~nondet0#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet0#1.offset_32|, ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_40|, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_16, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_30|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ULTIMATE.start_reach_error_#t~nondet0#1.base=|v_ULTIMATE.start_reach_error_#t~nondet0#1.base_32|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_reach_error_#t~nondet0#1.offset, ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_reach_error_#t~nondet0#1.base, ~main$tmp_guard1~0][98], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, Black: 194#(= ~__unbuffered_p1_EAX~0 0), 29#L806true, Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 5#L773true, 74#ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAKtrue, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), 200#true, Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,623 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,623 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,623 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,623 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,624 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][23], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, Black: 194#(= ~__unbuffered_p1_EAX~0 0), 29#L806true, Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), 200#true, 141#L887true, Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,624 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,624 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,624 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,624 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,647 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][76], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, 44#P2EXITtrue, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, 203#(= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0), 34#L880true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,648 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,648 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,648 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,648 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 07:56:37,710 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([623] L887-->ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK: Formula: (and (= (mod v_~main$tmp_guard1~0_18 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_30|) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_30| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_40|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_40| 0) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EAX~0_28 0) (= v_~__unbuffered_p3_EAX~0_26 1) (= v_~x~0_20 2) (= 0 v_~__unbuffered_p3_EBX~0_16) (= v_~__unbuffered_p1_EBX~0_16 0) (= 2 v_~__unbuffered_p1_EAX~0_16))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_18)) InVars {~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_16, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_26, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~x~0=v_~x~0_20} OutVars{ULTIMATE.start_reach_error_#t~nondet0#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet0#1.offset_32|, ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_40|, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_16, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_30|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_16, ULTIMATE.start_reach_error_#t~nondet0#1.base=|v_ULTIMATE.start_reach_error_#t~nondet0#1.base_32|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_28, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~x~0=v_~x~0_20} AuxVars[] AssignedVars[ULTIMATE.start_reach_error_#t~nondet0#1.offset, ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_reach_error_#t~nondet0#1.base, ~main$tmp_guard1~0][98], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, 44#P2EXITtrue, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 5#L773true, 74#ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAKtrue, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), 200#true, Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,710 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,711 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,711 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,711 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,711 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([499] L773-->L778: Formula: (= v_~__unbuffered_p1_EBX~0_4 v_~y~0_4) InVars {~y~0=v_~y~0_4} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_4, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][23], [P0Thread1of1ForFork1InUse, P2Thread1of1ForFork2InUse, 114#P0EXITtrue, P1Thread1of1ForFork3InUse, 44#P2EXITtrue, Black: 194#(= ~__unbuffered_p1_EAX~0 0), Black: 195#(or (not (= 2 ~__unbuffered_p1_EAX~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p1_EBX~0 0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0))), 192#true, 166#true, 100#L845true, 118#L778true, Black: 178#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), 200#true, 141#L887true, Black: 186#(and (<= 0 ~z$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z$w_buff0~0 0) (= ~z~0 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0_used~0 0)), 188#(and (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), P3Thread1of1ForFork0InUse, Black: 187#(and (<= 0 ~z$r_buff0_thd0~0) (= ~z$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (<= 1 ~z$w_buff0_used~0) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (not (= |ULTIMATE.start_main_~#t359~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t358~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t357~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t358~0#1.base|)) (not (= |ULTIMATE.start_main_~#t360~0#1.base| |ULTIMATE.start_main_~#t359~0#1.base|)) (= ~z~0 0) (<= (div ~z$w_buff0_used~0 256) 0) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t357~0#1.base| 0) |ULTIMATE.start_main_~#t360~0#1.base| 0) |ULTIMATE.start_main_~#t359~0#1.base| 0) |ULTIMATE.start_main_~#t358~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= ~z$w_buff0~0 1))]) [2023-11-19 07:56:37,712 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,712 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,712 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,712 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 07:56:37,805 INFO L124 PetriNetUnfolderBase]: 4724/6793 cut-off events. [2023-11-19 07:56:37,805 INFO L125 PetriNetUnfolderBase]: For 6577/6793 co-relation queries the response was YES. [2023-11-19 07:56:37,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19379 conditions, 6793 events. 4724/6793 cut-off events. For 6577/6793 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 37421 event pairs, 809 based on Foata normal form. 475/6999 useless extension candidates. Maximal degree in co-relation 19370. Up to 4589 conditions per place. [2023-11-19 07:56:37,858 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 81 selfloop transitions, 9 changer transitions 6/101 dead transitions. [2023-11-19 07:56:37,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 101 transitions, 679 flow [2023-11-19 07:56:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:56:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 728 transitions. [2023-11-19 07:56:37,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4789473684210526 [2023-11-19 07:56:37,863 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 728 transitions. [2023-11-19 07:56:37,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 728 transitions. [2023-11-19 07:56:37,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:37,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 728 transitions. [2023-11-19 07:56:37,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:37,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 304.0) internal successors, (1824), 6 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:37,871 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 304.0) internal successors, (1824), 6 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:37,871 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 176 flow. Second operand 5 states and 728 transitions. [2023-11-19 07:56:37,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 101 transitions, 679 flow [2023-11-19 07:56:37,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 101 transitions, 677 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:56:37,881 INFO L231 Difference]: Finished difference. Result has 54 places, 45 transitions, 247 flow [2023-11-19 07:56:37,882 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=247, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2023-11-19 07:56:37,885 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 4 predicate places. [2023-11-19 07:56:37,885 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 247 flow [2023-11-19 07:56:37,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.5) internal successors, (542), 4 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:37,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:37,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:37,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:56:37,886 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:37,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2127399741, now seen corresponding path program 1 times [2023-11-19 07:56:37,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:37,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574593466] [2023-11-19 07:56:37,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:37,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:38,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574593466] [2023-11-19 07:56:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574593466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:38,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:38,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:38,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073945830] [2023-11-19 07:56:38,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:38,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:38,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:38,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:38,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:38,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 304 [2023-11-19 07:56:38,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 247 flow. Second operand has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:38,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:38,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 304 [2023-11-19 07:56:38,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:40,016 INFO L124 PetriNetUnfolderBase]: 7940/11469 cut-off events. [2023-11-19 07:56:40,016 INFO L125 PetriNetUnfolderBase]: For 15883/15883 co-relation queries the response was YES. [2023-11-19 07:56:40,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41539 conditions, 11469 events. 7940/11469 cut-off events. For 15883/15883 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 63148 event pairs, 1648 based on Foata normal form. 84/11553 useless extension candidates. Maximal degree in co-relation 41526. Up to 6002 conditions per place. [2023-11-19 07:56:40,114 INFO L140 encePairwiseOnDemand]: 294/304 looper letters, 87 selfloop transitions, 22 changer transitions 12/121 dead transitions. [2023-11-19 07:56:40,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 121 transitions, 872 flow [2023-11-19 07:56:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 07:56:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 709 transitions. [2023-11-19 07:56:40,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4664473684210526 [2023-11-19 07:56:40,119 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 709 transitions. [2023-11-19 07:56:40,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 709 transitions. [2023-11-19 07:56:40,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:40,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 709 transitions. [2023-11-19 07:56:40,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:40,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 304.0) internal successors, (1824), 6 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:40,128 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 304.0) internal successors, (1824), 6 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:40,129 INFO L175 Difference]: Start difference. First operand has 54 places, 45 transitions, 247 flow. Second operand 5 states and 709 transitions. [2023-11-19 07:56:40,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 121 transitions, 872 flow [2023-11-19 07:56:40,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 121 transitions, 860 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:56:40,182 INFO L231 Difference]: Finished difference. Result has 60 places, 56 transitions, 408 flow [2023-11-19 07:56:40,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=408, PETRI_PLACES=60, PETRI_TRANSITIONS=56} [2023-11-19 07:56:40,183 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 10 predicate places. [2023-11-19 07:56:40,183 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 408 flow [2023-11-19 07:56:40,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:40,184 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:40,184 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:40,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:56:40,185 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:40,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:40,185 INFO L85 PathProgramCache]: Analyzing trace with hash -721737040, now seen corresponding path program 1 times [2023-11-19 07:56:40,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:40,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819106672] [2023-11-19 07:56:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:40,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:40,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819106672] [2023-11-19 07:56:40,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819106672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:40,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:40,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:40,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093394098] [2023-11-19 07:56:40,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:40,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:56:40,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:40,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:40,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:40,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 304 [2023-11-19 07:56:40,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 408 flow. Second operand has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:40,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:40,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 304 [2023-11-19 07:56:40,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:41,499 INFO L124 PetriNetUnfolderBase]: 3624/5579 cut-off events. [2023-11-19 07:56:41,500 INFO L125 PetriNetUnfolderBase]: For 17204/17780 co-relation queries the response was YES. [2023-11-19 07:56:41,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22954 conditions, 5579 events. 3624/5579 cut-off events. For 17204/17780 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 32591 event pairs, 351 based on Foata normal form. 583/5996 useless extension candidates. Maximal degree in co-relation 22938. Up to 2144 conditions per place. [2023-11-19 07:56:41,555 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 122 selfloop transitions, 14 changer transitions 16/161 dead transitions. [2023-11-19 07:56:41,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 161 transitions, 1558 flow [2023-11-19 07:56:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:56:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:56:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 876 transitions. [2023-11-19 07:56:41,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48026315789473684 [2023-11-19 07:56:41,561 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 876 transitions. [2023-11-19 07:56:41,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 876 transitions. [2023-11-19 07:56:41,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:41,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 876 transitions. [2023-11-19 07:56:41,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 146.0) internal successors, (876), 6 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:41,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:41,571 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:41,571 INFO L175 Difference]: Start difference. First operand has 60 places, 56 transitions, 408 flow. Second operand 6 states and 876 transitions. [2023-11-19 07:56:41,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 161 transitions, 1558 flow [2023-11-19 07:56:41,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 161 transitions, 1548 flow, removed 5 selfloop flow, removed 1 redundant places. [2023-11-19 07:56:41,620 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 522 flow [2023-11-19 07:56:41,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2023-11-19 07:56:41,624 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 15 predicate places. [2023-11-19 07:56:41,625 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 522 flow [2023-11-19 07:56:41,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 135.2) internal successors, (676), 5 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:41,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:41,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:41,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:56:41,626 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:41,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:41,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1840652877, now seen corresponding path program 1 times [2023-11-19 07:56:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:41,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697155784] [2023-11-19 07:56:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:41,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:41,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:41,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697155784] [2023-11-19 07:56:41,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697155784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:41,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:41,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:41,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22105622] [2023-11-19 07:56:41,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:41,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:56:41,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:41,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:56:41,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:56:41,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 304 [2023-11-19 07:56:41,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 135.16666666666666) internal successors, (811), 6 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:41,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:41,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 304 [2023-11-19 07:56:41,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:43,014 INFO L124 PetriNetUnfolderBase]: 3194/4939 cut-off events. [2023-11-19 07:56:43,015 INFO L125 PetriNetUnfolderBase]: For 18078/18635 co-relation queries the response was YES. [2023-11-19 07:56:43,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23490 conditions, 4939 events. 3194/4939 cut-off events. For 18078/18635 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 28755 event pairs, 245 based on Foata normal form. 315/5094 useless extension candidates. Maximal degree in co-relation 23471. Up to 1988 conditions per place. [2023-11-19 07:56:43,046 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 136 selfloop transitions, 23 changer transitions 36/204 dead transitions. [2023-11-19 07:56:43,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 204 transitions, 2079 flow [2023-11-19 07:56:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:56:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 07:56:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1167 transitions. [2023-11-19 07:56:43,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4798519736842105 [2023-11-19 07:56:43,052 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1167 transitions. [2023-11-19 07:56:43,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1167 transitions. [2023-11-19 07:56:43,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:43,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1167 transitions. [2023-11-19 07:56:43,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 145.875) internal successors, (1167), 8 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:43,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:43,062 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:43,063 INFO L175 Difference]: Start difference. First operand has 65 places, 65 transitions, 522 flow. Second operand 8 states and 1167 transitions. [2023-11-19 07:56:43,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 204 transitions, 2079 flow [2023-11-19 07:56:43,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 204 transitions, 2035 flow, removed 17 selfloop flow, removed 2 redundant places. [2023-11-19 07:56:43,354 INFO L231 Difference]: Finished difference. Result has 73 places, 74 transitions, 650 flow [2023-11-19 07:56:43,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=650, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2023-11-19 07:56:43,355 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 23 predicate places. [2023-11-19 07:56:43,356 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 650 flow [2023-11-19 07:56:43,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.16666666666666) internal successors, (811), 6 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:43,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:43,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:43,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:56:43,357 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:43,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:43,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1706005798, now seen corresponding path program 1 times [2023-11-19 07:56:43,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:43,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151527689] [2023-11-19 07:56:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:43,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:43,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:43,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151527689] [2023-11-19 07:56:43,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151527689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:43,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:43,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:43,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815345536] [2023-11-19 07:56:43,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:43,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:43,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:43,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:43,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:43,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 304 [2023-11-19 07:56:43,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 74 transitions, 650 flow. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:43,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:43,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 304 [2023-11-19 07:56:43,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:44,662 INFO L124 PetriNetUnfolderBase]: 4172/6624 cut-off events. [2023-11-19 07:56:44,662 INFO L125 PetriNetUnfolderBase]: For 30942/31584 co-relation queries the response was YES. [2023-11-19 07:56:44,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33091 conditions, 6624 events. 4172/6624 cut-off events. For 30942/31584 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 41817 event pairs, 591 based on Foata normal form. 131/6550 useless extension candidates. Maximal degree in co-relation 33069. Up to 3563 conditions per place. [2023-11-19 07:56:44,706 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 95 selfloop transitions, 2 changer transitions 48/154 dead transitions. [2023-11-19 07:56:44,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 154 transitions, 1696 flow [2023-11-19 07:56:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:56:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:56:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 591 transitions. [2023-11-19 07:56:44,709 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48601973684210525 [2023-11-19 07:56:44,709 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 591 transitions. [2023-11-19 07:56:44,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 591 transitions. [2023-11-19 07:56:44,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:44,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 591 transitions. [2023-11-19 07:56:44,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:44,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:44,715 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:44,716 INFO L175 Difference]: Start difference. First operand has 73 places, 74 transitions, 650 flow. Second operand 4 states and 591 transitions. [2023-11-19 07:56:44,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 154 transitions, 1696 flow [2023-11-19 07:56:45,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 154 transitions, 1431 flow, removed 107 selfloop flow, removed 4 redundant places. [2023-11-19 07:56:45,525 INFO L231 Difference]: Finished difference. Result has 74 places, 75 transitions, 572 flow [2023-11-19 07:56:45,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=551, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=572, PETRI_PLACES=74, PETRI_TRANSITIONS=75} [2023-11-19 07:56:45,526 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 24 predicate places. [2023-11-19 07:56:45,526 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 75 transitions, 572 flow [2023-11-19 07:56:45,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:45,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:45,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:45,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:56:45,527 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:45,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:45,528 INFO L85 PathProgramCache]: Analyzing trace with hash 85697020, now seen corresponding path program 2 times [2023-11-19 07:56:45,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:45,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002653167] [2023-11-19 07:56:45,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:45,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:45,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:45,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002653167] [2023-11-19 07:56:45,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002653167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:45,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:45,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:56:45,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158131080] [2023-11-19 07:56:45,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:45,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:56:45,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:45,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:56:45,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:56:45,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 304 [2023-11-19 07:56:45,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 75 transitions, 572 flow. Second operand has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:45,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:45,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 304 [2023-11-19 07:56:45,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:46,983 INFO L124 PetriNetUnfolderBase]: 3958/6287 cut-off events. [2023-11-19 07:56:46,984 INFO L125 PetriNetUnfolderBase]: For 24342/24787 co-relation queries the response was YES. [2023-11-19 07:56:47,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28129 conditions, 6287 events. 3958/6287 cut-off events. For 24342/24787 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 40359 event pairs, 245 based on Foata normal form. 176/6287 useless extension candidates. Maximal degree in co-relation 28105. Up to 1757 conditions per place. [2023-11-19 07:56:47,017 INFO L140 encePairwiseOnDemand]: 297/304 looper letters, 80 selfloop transitions, 22 changer transitions 93/204 dead transitions. [2023-11-19 07:56:47,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 204 transitions, 2088 flow [2023-11-19 07:56:47,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:56:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-19 07:56:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1432 transitions. [2023-11-19 07:56:47,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4710526315789474 [2023-11-19 07:56:47,025 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1432 transitions. [2023-11-19 07:56:47,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1432 transitions. [2023-11-19 07:56:47,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:47,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1432 transitions. [2023-11-19 07:56:47,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.2) internal successors, (1432), 10 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:47,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 304.0) internal successors, (3344), 11 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:47,040 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 304.0) internal successors, (3344), 11 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:47,041 INFO L175 Difference]: Start difference. First operand has 74 places, 75 transitions, 572 flow. Second operand 10 states and 1432 transitions. [2023-11-19 07:56:47,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 204 transitions, 2088 flow [2023-11-19 07:56:47,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 204 transitions, 2020 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-19 07:56:47,483 INFO L231 Difference]: Finished difference. Result has 82 places, 59 transitions, 473 flow [2023-11-19 07:56:47,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=473, PETRI_PLACES=82, PETRI_TRANSITIONS=59} [2023-11-19 07:56:47,484 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 32 predicate places. [2023-11-19 07:56:47,484 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 59 transitions, 473 flow [2023-11-19 07:56:47,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:47,485 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:47,485 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:47,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:56:47,485 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:47,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1626414786, now seen corresponding path program 1 times [2023-11-19 07:56:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:47,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238048111] [2023-11-19 07:56:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:47,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:47,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:47,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238048111] [2023-11-19 07:56:47,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238048111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:47,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:47,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:47,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724124972] [2023-11-19 07:56:47,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:47,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:47,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:47,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:47,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:47,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 304 [2023-11-19 07:56:47,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 59 transitions, 473 flow. Second operand has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:47,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:47,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 304 [2023-11-19 07:56:47,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:48,543 INFO L124 PetriNetUnfolderBase]: 3063/5193 cut-off events. [2023-11-19 07:56:48,543 INFO L125 PetriNetUnfolderBase]: For 18384/18511 co-relation queries the response was YES. [2023-11-19 07:56:48,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23878 conditions, 5193 events. 3063/5193 cut-off events. For 18384/18511 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 33988 event pairs, 736 based on Foata normal form. 61/5196 useless extension candidates. Maximal degree in co-relation 23853. Up to 2700 conditions per place. [2023-11-19 07:56:48,563 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 51 selfloop transitions, 1 changer transitions 62/118 dead transitions. [2023-11-19 07:56:48,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 118 transitions, 1166 flow [2023-11-19 07:56:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:56:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:56:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 594 transitions. [2023-11-19 07:56:48,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48848684210526316 [2023-11-19 07:56:48,567 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 594 transitions. [2023-11-19 07:56:48,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 594 transitions. [2023-11-19 07:56:48,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:48,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 594 transitions. [2023-11-19 07:56:48,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.5) internal successors, (594), 4 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:48,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:48,576 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 304.0) internal successors, (1520), 5 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:48,576 INFO L175 Difference]: Start difference. First operand has 82 places, 59 transitions, 473 flow. Second operand 4 states and 594 transitions. [2023-11-19 07:56:48,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 118 transitions, 1166 flow [2023-11-19 07:56:48,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 118 transitions, 975 flow, removed 41 selfloop flow, removed 12 redundant places. [2023-11-19 07:56:48,804 INFO L231 Difference]: Finished difference. Result has 71 places, 47 transitions, 294 flow [2023-11-19 07:56:48,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=294, PETRI_PLACES=71, PETRI_TRANSITIONS=47} [2023-11-19 07:56:48,805 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 21 predicate places. [2023-11-19 07:56:48,805 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 47 transitions, 294 flow [2023-11-19 07:56:48,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:48,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:48,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:48,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:56:48,807 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:48,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash -431546878, now seen corresponding path program 2 times [2023-11-19 07:56:48,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:48,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129154212] [2023-11-19 07:56:48,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:48,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:49,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:49,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129154212] [2023-11-19 07:56:49,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129154212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:49,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:49,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:49,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279151235] [2023-11-19 07:56:49,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:49,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:49,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:49,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:49,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:49,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 304 [2023-11-19 07:56:49,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 47 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:49,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:56:49,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 304 [2023-11-19 07:56:49,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:56:49,531 INFO L124 PetriNetUnfolderBase]: 1744/3009 cut-off events. [2023-11-19 07:56:49,531 INFO L125 PetriNetUnfolderBase]: For 9474/9586 co-relation queries the response was YES. [2023-11-19 07:56:49,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12572 conditions, 3009 events. 1744/3009 cut-off events. For 9474/9586 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 18364 event pairs, 683 based on Foata normal form. 1/2943 useless extension candidates. Maximal degree in co-relation 12551. Up to 1683 conditions per place. [2023-11-19 07:56:49,545 INFO L140 encePairwiseOnDemand]: 301/304 looper letters, 39 selfloop transitions, 2 changer transitions 34/77 dead transitions. [2023-11-19 07:56:49,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 77 transitions, 613 flow [2023-11-19 07:56:49,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:56:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 450 transitions. [2023-11-19 07:56:49,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4934210526315789 [2023-11-19 07:56:49,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 450 transitions. [2023-11-19 07:56:49,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 450 transitions. [2023-11-19 07:56:49,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:49,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 450 transitions. [2023-11-19 07:56:49,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:49,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:49,553 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:49,554 INFO L175 Difference]: Start difference. First operand has 71 places, 47 transitions, 294 flow. Second operand 3 states and 450 transitions. [2023-11-19 07:56:49,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 77 transitions, 613 flow [2023-11-19 07:56:49,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 77 transitions, 594 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-19 07:56:49,600 INFO L231 Difference]: Finished difference. Result has 69 places, 38 transitions, 214 flow [2023-11-19 07:56:49,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=69, PETRI_TRANSITIONS=38} [2023-11-19 07:56:49,601 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2023-11-19 07:56:49,601 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 38 transitions, 214 flow [2023-11-19 07:56:49,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:49,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:56:49,602 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:49,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 07:56:49,602 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 07:56:49,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:49,603 INFO L85 PathProgramCache]: Analyzing trace with hash 265755862, now seen corresponding path program 3 times [2023-11-19 07:56:49,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:49,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786642887] [2023-11-19 07:56:49,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:49,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:56:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:49,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:56:49,736 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:56:49,737 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (15 of 16 remaining) [2023-11-19 07:56:49,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (14 of 16 remaining) [2023-11-19 07:56:49,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 16 remaining) [2023-11-19 07:56:49,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 16 remaining) [2023-11-19 07:56:49,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 16 remaining) [2023-11-19 07:56:49,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 16 remaining) [2023-11-19 07:56:49,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 16 remaining) [2023-11-19 07:56:49,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 16 remaining) [2023-11-19 07:56:49,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 16 remaining) [2023-11-19 07:56:49,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 16 remaining) [2023-11-19 07:56:49,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (5 of 16 remaining) [2023-11-19 07:56:49,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 16 remaining) [2023-11-19 07:56:49,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 16 remaining) [2023-11-19 07:56:49,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 16 remaining) [2023-11-19 07:56:49,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 16 remaining) [2023-11-19 07:56:49,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 16 remaining) [2023-11-19 07:56:49,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 07:56:49,744 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:49,750 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:56:49,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:56:49,810 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-19 07:56:49,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated [2023-11-19 07:56:49,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated [2023-11-19 07:56:49,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated [2023-11-19 07:56:49,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet0 [2023-11-19 07:56:49,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:49 BasicIcfg [2023-11-19 07:56:49,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:56:49,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:56:49,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:56:49,844 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:56:49,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:16" (3/4) ... [2023-11-19 07:56:49,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:56:49,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:56:49,848 INFO L158 Benchmark]: Toolchain (without parser) took 35279.90ms. Allocated memory was 151.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 107.9MB in the beginning and 422.4MB in the end (delta: -314.4MB). Peak memory consumption was 794.1MB. Max. memory is 16.1GB. [2023-11-19 07:56:49,848 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:49,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.23ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 83.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:49,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.91ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 122.6MB in the end (delta: -39.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-19 07:56:49,849 INFO L158 Benchmark]: Boogie Preprocessor took 78.20ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 120.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:49,850 INFO L158 Benchmark]: RCFGBuilder took 1021.87ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 79.0MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 07:56:49,850 INFO L158 Benchmark]: TraceAbstraction took 33291.81ms. Allocated memory was 151.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 78.5MB in the beginning and 422.4MB in the end (delta: -343.9MB). Peak memory consumption was 765.5MB. Max. memory is 16.1GB. [2023-11-19 07:56:49,851 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 1.3GB. Free memory is still 422.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:49,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.23ms. Allocated memory is still 151.0MB. Free memory was 107.5MB in the beginning and 83.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.91ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 122.6MB in the end (delta: -39.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.20ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 120.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1021.87ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 79.0MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 33291.81ms. Allocated memory was 151.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 78.5MB in the beginning and 422.4MB in the end (delta: -343.9MB). Peak memory consumption was 765.5MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 1.3GB. Free memory is still 422.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet0 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5s, 159 PlacesBefore, 50 PlacesAfterwards, 149 TransitionsBefore, 38 TransitionsAfterwards, 4176 CoEnabledTransitionPairs, 7 FixpointIterations, 50 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 151 TotalNumberOfCompositions, 8876 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4764, independent: 4579, independent conditional: 0, independent unconditional: 4579, dependent: 185, dependent conditional: 0, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2326, independent: 2287, independent conditional: 0, independent unconditional: 2287, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4764, independent: 2292, independent conditional: 0, independent unconditional: 2292, dependent: 146, dependent conditional: 0, dependent unconditional: 146, unknown: 2326, unknown conditional: 0, unknown unconditional: 2326] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, 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 - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L869] 0 pthread_t t357; [L870] FCALL, FORK 0 pthread_create(&t357, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t357={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L871] 0 pthread_t t358; [L872] FCALL, FORK 0 pthread_create(&t358, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t357={5:0}, t358={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L873] 0 pthread_t t359; [L874] FCALL, FORK 0 pthread_create(&t359, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t357={5:0}, t358={6:0}, t359={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L875] 0 pthread_t t360; [L876] FCALL, FORK 0 pthread_create(&t360, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t357={5:0}, t358={6:0}, t359={7:0}, t360={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L815] 4 z$w_buff1 = z$w_buff0 [L816] 4 z$w_buff0 = 1 [L817] 4 z$w_buff1_used = z$w_buff0_used [L818] 4 z$w_buff0_used = (_Bool)1 [L819] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L819] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L820] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L821] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L822] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L823] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L824] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L828] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L829] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L830] 4 z$flush_delayed = weak$$choice2 [L831] 4 z$mem_tmp = z [L832] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L833] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L834] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L835] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L836] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L838] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 __unbuffered_p3_EAX = z [L840] 4 z = z$flush_delayed ? z$mem_tmp : z [L841] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L844] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L769] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L772] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L775] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L787] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 z$flush_delayed = weak$$choice2 [L793] 3 z$mem_tmp = z [L794] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L795] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L796] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L797] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L798] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L800] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EAX = z [L802] 3 z = z$flush_delayed ? z$mem_tmp : z [L803] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L847] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L848] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L849] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L850] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L851] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L880] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L880] RET 0 assume_abort_if_not(main$tmp_guard0) [L882] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L883] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L884] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L885] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L886] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t357={5:0}, t358={6:0}, t359={7:0}, t360={3:0}, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L891] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix014.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 190 locations, 16 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 33.0s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 849 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2283 IncrementalHoareTripleChecker+Invalid, 2368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 61 mSDtfsCounter, 2283 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred in iteration=9, InterpolantAutomatonStates: 68, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:56:49,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:52,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:52,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:56:52,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:52,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:52,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:52,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:52,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:52,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:52,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:52,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:52,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:52,618 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:52,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:52,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:56:52,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:52,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:56:52,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:52,621 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:56:52,622 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:56:52,623 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:56:52,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:52,624 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:56:52,625 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:56:52,625 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:56:52,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:56:52,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:56:52,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:52,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:52,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:52,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:52,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:52,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:52,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:52,630 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:56:52,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:56:52,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:52,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:52,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:52,632 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:56:52,633 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:52,633 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd [2023-11-19 07:56:53,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:53,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:53,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:53,044 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:53,045 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:53,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix014.opt.i [2023-11-19 07:56:56,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:56,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:56,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/sv-benchmarks/c/pthread-wmm/mix014.opt.i [2023-11-19 07:56:56,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data/7100959c8/9a9911a0e5e940f3922d332e739af9b2/FLAG131ba9543 [2023-11-19 07:56:56,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3384975e-3744-4517-931a-1c07251ad570/bin/uautomizer-verify-uCwYo4JHxu/data/7100959c8/9a9911a0e5e940f3922d332e739af9b2 [2023-11-19 07:56:56,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:56,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:56,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:56,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:56,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:56,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:56" (1/1) ... [2023-11-19 07:56:56,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21819d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:56, skipping insertion in model container [2023-11-19 07:56:56,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:56" (1/1) ... [2023-11-19 07:56:56,674 INFO L177 MainTranslator]: Built tables and reachable declarations