./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix013.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_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/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_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix013.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/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_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/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 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:58,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:58,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 08:00:58,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:58,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:58,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:58,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:58,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:58,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:58,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:58,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:58,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:58,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:58,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:58,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:58,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:58,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:58,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:58,807 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:00:58,807 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:00:58,808 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:00:58,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:58,809 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:00:58,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:58,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:58,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:58,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:58,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:58,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:58,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:58,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:58,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:58,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:58,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:58,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:58,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:58,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:58,816 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:58,816 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_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d5aa429e9fa5fafdbda3a249edb2f84a5af4e6e0b36ce720714921f621bb137 [2023-11-19 08:00:59,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:59,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:59,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:59,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:59,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:59,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix013.opt.i [2023-11-19 08:01:02,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:02,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:02,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/sv-benchmarks/c/pthread-wmm/mix013.opt.i [2023-11-19 08:01:02,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/data/a0bad79c2/9b691cc856744c13acc1bd7480167193/FLAGe6d1062d4 [2023-11-19 08:01:02,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/data/a0bad79c2/9b691cc856744c13acc1bd7480167193 [2023-11-19 08:01:02,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:02,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:02,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:02,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:02,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:02,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:02,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ea0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02, skipping insertion in model container [2023-11-19 08:01:02,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:02,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:03,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:03,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:03,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:03,422 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:03,423 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:03,431 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:03,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03 WrapperNode [2023-11-19 08:01:03,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:03,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:03,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:03,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:03,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,507 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 172 [2023-11-19 08:01:03,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:03,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:03,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:03,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:03,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:03,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:03,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:03,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:03,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (1/1) ... [2023-11-19 08:01:03,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:03,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:03,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:03,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:01:03,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:01:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:01:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 08:01:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 08:01:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 08:01:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 08:01:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 08:01:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 08:01:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 08:01:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 08:01:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:01:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:03,676 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 08:01:03,902 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:03,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:04,394 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:04,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:04,559 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:01:04,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:04 BoogieIcfgContainer [2023-11-19 08:01:04,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:04,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:04,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:04,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:04,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:02" (1/3) ... [2023-11-19 08:01:04,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@881c07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:04, skipping insertion in model container [2023-11-19 08:01:04,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:03" (2/3) ... [2023-11-19 08:01:04,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@881c07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:04, skipping insertion in model container [2023-11-19 08:01:04,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:04" (3/3) ... [2023-11-19 08:01:04,573 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.opt.i [2023-11-19 08:01:04,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:04,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-19 08:01:04,593 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:01:04,660 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 08:01:04,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 154 transitions, 324 flow [2023-11-19 08:01:04,802 INFO L124 PetriNetUnfolderBase]: 3/150 cut-off events. [2023-11-19 08:01:04,802 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:04,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 150 events. 3/150 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 125 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-19 08:01:04,810 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 154 transitions, 324 flow [2023-11-19 08:01:04,816 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 150 transitions, 312 flow [2023-11-19 08:01:04,820 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:01:04,830 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 150 transitions, 312 flow [2023-11-19 08:01:04,833 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 150 transitions, 312 flow [2023-11-19 08:01:04,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 150 transitions, 312 flow [2023-11-19 08:01:04,873 INFO L124 PetriNetUnfolderBase]: 3/150 cut-off events. [2023-11-19 08:01:04,873 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:04,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 150 events. 3/150 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 125 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-19 08:01:04,879 INFO L119 LiptonReduction]: Number of co-enabled transitions 4176 [2023-11-19 08:01:11,135 INFO L134 LiptonReduction]: Checked pairs total: 8665 [2023-11-19 08:01:11,136 INFO L136 LiptonReduction]: Total number of compositions: 148 [2023-11-19 08:01:11,167 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:11,179 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;@288ff505, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:11,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-19 08:01:11,182 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:01:11,183 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2023-11-19 08:01:11,183 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:11,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:11,184 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 08:01:11,187 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 08:01:11,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:11,193 INFO L85 PathProgramCache]: Analyzing trace with hash 675, now seen corresponding path program 1 times [2023-11-19 08:01:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:11,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008541417] [2023-11-19 08:01:11,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:11,381 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 08:01:11,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:11,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008541417] [2023-11-19 08:01:11,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008541417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:11,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:11,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 08:01:11,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438609314] [2023-11-19 08:01:11,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:11,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:01:11,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:01:11,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:01:11,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 302 [2023-11-19 08:01:11,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 86 flow. Second operand has 2 states, 2 states have (on average 140.5) internal successors, (281), 2 states have internal predecessors, (281), 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 08:01:11,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:11,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 302 [2023-11-19 08:01:11,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:13,252 INFO L124 PetriNetUnfolderBase]: 7063/9668 cut-off events. [2023-11-19 08:01:13,253 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-11-19 08:01:13,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19380 conditions, 9668 events. 7063/9668 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 47806 event pairs, 7063 based on Foata normal form. 0/8448 useless extension candidates. Maximal degree in co-relation 19368. Up to 9537 conditions per place. [2023-11-19 08:01:13,347 INFO L140 encePairwiseOnDemand]: 294/302 looper letters, 27 selfloop transitions, 0 changer transitions 0/29 dead transitions. [2023-11-19 08:01:13,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 29 transitions, 124 flow [2023-11-19 08:01:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:01:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 08:01:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 315 transitions. [2023-11-19 08:01:13,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5215231788079471 [2023-11-19 08:01:13,372 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 315 transitions. [2023-11-19 08:01:13,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 315 transitions. [2023-11-19 08:01:13,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:13,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 315 transitions. [2023-11-19 08:01:13,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 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 08:01:13,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 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 08:01:13,393 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 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 08:01:13,395 INFO L175 Difference]: Start difference. First operand has 50 places, 37 transitions, 86 flow. Second operand 2 states and 315 transitions. [2023-11-19 08:01:13,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 29 transitions, 124 flow [2023-11-19 08:01:13,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:01:13,405 INFO L231 Difference]: Finished difference. Result has 39 places, 29 transitions, 66 flow [2023-11-19 08:01:13,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, 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 08:01:13,412 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2023-11-19 08:01:13,413 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 66 flow [2023-11-19 08:01:13,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 140.5) internal successors, (281), 2 states have internal predecessors, (281), 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 08:01:13,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:13,413 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:13,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:13,414 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 08:01:13,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:13,416 INFO L85 PathProgramCache]: Analyzing trace with hash -567428255, now seen corresponding path program 1 times [2023-11-19 08:01:13,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:13,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851026045] [2023-11-19 08:01:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:13,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:13,936 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 08:01:13,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:13,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851026045] [2023-11-19 08:01:13,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851026045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:13,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:13,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 08:01:13,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037702357] [2023-11-19 08:01:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:13,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:01:13,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:13,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:01:13,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:13,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 302 [2023-11-19 08:01:13,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 08:01:13,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:13,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 302 [2023-11-19 08:01:13,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:15,342 INFO L124 PetriNetUnfolderBase]: 5879/8356 cut-off events. [2023-11-19 08:01:15,342 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:15,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16497 conditions, 8356 events. 5879/8356 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 43983 event pairs, 1143 based on Foata normal form. 0/7712 useless extension candidates. Maximal degree in co-relation 16494. Up to 6273 conditions per place. [2023-11-19 08:01:15,405 INFO L140 encePairwiseOnDemand]: 299/302 looper letters, 36 selfloop transitions, 2 changer transitions 2/42 dead transitions. [2023-11-19 08:01:15,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 42 transitions, 172 flow [2023-11-19 08:01:15,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:01:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2023-11-19 08:01:15,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5055187637969095 [2023-11-19 08:01:15,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 458 transitions. [2023-11-19 08:01:15,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 458 transitions. [2023-11-19 08:01:15,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:15,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 458 transitions. [2023-11-19 08:01:15,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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 08:01:15,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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 08:01:15,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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 08:01:15,422 INFO L175 Difference]: Start difference. First operand has 39 places, 29 transitions, 66 flow. Second operand 3 states and 458 transitions. [2023-11-19 08:01:15,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 42 transitions, 172 flow [2023-11-19 08:01:15,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:01:15,424 INFO L231 Difference]: Finished difference. Result has 40 places, 27 transitions, 66 flow [2023-11-19 08:01:15,425 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, 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 08:01:15,427 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -10 predicate places. [2023-11-19 08:01:15,427 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 66 flow [2023-11-19 08:01:15,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 08:01:15,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:15,434 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:15,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:15,435 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 08:01:15,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash 162365728, now seen corresponding path program 1 times [2023-11-19 08:01:15,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:15,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308061795] [2023-11-19 08:01:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:16,228 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 08:01:16,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:16,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308061795] [2023-11-19 08:01:16,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308061795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:16,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:16,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:16,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318619522] [2023-11-19 08:01:16,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:16,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:16,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:16,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:16,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:16,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 302 [2023-11-19 08:01:16,520 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 08:01:16,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:16,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 302 [2023-11-19 08:01:16,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:17,835 INFO L124 PetriNetUnfolderBase]: 5181/7310 cut-off events. [2023-11-19 08:01:17,835 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2023-11-19 08:01:17,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14931 conditions, 7310 events. 5181/7310 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 34427 event pairs, 1856 based on Foata normal form. 160/7230 useless extension candidates. Maximal degree in co-relation 14927. Up to 5163 conditions per place. [2023-11-19 08:01:17,969 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 51 selfloop transitions, 7 changer transitions 0/59 dead transitions. [2023-11-19 08:01:17,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 59 transitions, 252 flow [2023-11-19 08:01:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:01:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 792 transitions. [2023-11-19 08:01:17,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4370860927152318 [2023-11-19 08:01:17,989 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 792 transitions. [2023-11-19 08:01:17,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 792 transitions. [2023-11-19 08:01:17,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:17,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 792 transitions. [2023-11-19 08:01:17,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 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 08:01:17,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:17,999 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:18,000 INFO L175 Difference]: Start difference. First operand has 40 places, 27 transitions, 66 flow. Second operand 6 states and 792 transitions. [2023-11-19 08:01:18,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 59 transitions, 252 flow [2023-11-19 08:01:18,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 59 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:01:18,015 INFO L231 Difference]: Finished difference. Result has 45 places, 31 transitions, 100 flow [2023-11-19 08:01:18,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2023-11-19 08:01:18,016 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2023-11-19 08:01:18,017 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 31 transitions, 100 flow [2023-11-19 08:01:18,017 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 08:01:18,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:18,018 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:18,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:01:18,018 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 08:01:18,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:18,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1037303837, now seen corresponding path program 1 times [2023-11-19 08:01:18,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:18,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786236802] [2023-11-19 08:01:18,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:18,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:18,745 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 08:01:18,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:18,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786236802] [2023-11-19 08:01:18,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786236802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:18,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:18,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537970298] [2023-11-19 08:01:18,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:18,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:18,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:18,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:18,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 302 [2023-11-19 08:01:18,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 31 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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 08:01:18,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:18,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 302 [2023-11-19 08:01:19,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:20,056 INFO L124 PetriNetUnfolderBase]: 4299/6220 cut-off events. [2023-11-19 08:01:20,057 INFO L125 PetriNetUnfolderBase]: For 306/310 co-relation queries the response was YES. [2023-11-19 08:01:20,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12866 conditions, 6220 events. 4299/6220 cut-off events. For 306/310 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 30369 event pairs, 384 based on Foata normal form. 96/6168 useless extension candidates. Maximal degree in co-relation 12859. Up to 3817 conditions per place. [2023-11-19 08:01:20,095 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 49 selfloop transitions, 7 changer transitions 0/60 dead transitions. [2023-11-19 08:01:20,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 60 transitions, 270 flow [2023-11-19 08:01:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:01:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 794 transitions. [2023-11-19 08:01:20,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4381898454746137 [2023-11-19 08:01:20,104 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 794 transitions. [2023-11-19 08:01:20,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 794 transitions. [2023-11-19 08:01:20,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:20,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 794 transitions. [2023-11-19 08:01:20,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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 08:01:20,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:20,114 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:20,115 INFO L175 Difference]: Start difference. First operand has 45 places, 31 transitions, 100 flow. Second operand 6 states and 794 transitions. [2023-11-19 08:01:20,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 60 transitions, 270 flow [2023-11-19 08:01:20,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:01:20,120 INFO L231 Difference]: Finished difference. Result has 49 places, 31 transitions, 115 flow [2023-11-19 08:01:20,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=115, PETRI_PLACES=49, PETRI_TRANSITIONS=31} [2023-11-19 08:01:20,122 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2023-11-19 08:01:20,123 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 31 transitions, 115 flow [2023-11-19 08:01:20,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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 08:01:20,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:20,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:20,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:01:20,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:20,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash 244281888, now seen corresponding path program 1 times [2023-11-19 08:01:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:20,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787140748] [2023-11-19 08:01:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:20,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:20,769 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 08:01:20,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:20,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787140748] [2023-11-19 08:01:20,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787140748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:20,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:20,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:01:20,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310109420] [2023-11-19 08:01:20,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:20,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:01:20,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:01:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:01:20,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 302 [2023-11-19 08:01:20,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 31 transitions, 115 flow. Second operand has 8 states, 8 states have (on average 129.875) internal successors, (1039), 8 states have internal predecessors, (1039), 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 08:01:20,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:20,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 302 [2023-11-19 08:01:20,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:22,092 INFO L124 PetriNetUnfolderBase]: 6037/8282 cut-off events. [2023-11-19 08:01:22,092 INFO L125 PetriNetUnfolderBase]: For 1604/1604 co-relation queries the response was YES. [2023-11-19 08:01:22,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18639 conditions, 8282 events. 6037/8282 cut-off events. For 1604/1604 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 37457 event pairs, 2253 based on Foata normal form. 0/8090 useless extension candidates. Maximal degree in co-relation 18631. Up to 7253 conditions per place. [2023-11-19 08:01:22,135 INFO L140 encePairwiseOnDemand]: 291/302 looper letters, 77 selfloop transitions, 30 changer transitions 0/107 dead transitions. [2023-11-19 08:01:22,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 107 transitions, 564 flow [2023-11-19 08:01:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:01:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:01:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1126 transitions. [2023-11-19 08:01:22,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46605960264900664 [2023-11-19 08:01:22,141 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1126 transitions. [2023-11-19 08:01:22,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1126 transitions. [2023-11-19 08:01:22,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:22,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1126 transitions. [2023-11-19 08:01:22,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 140.75) internal successors, (1126), 8 states have internal predecessors, (1126), 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 08:01:22,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 302.0) internal successors, (2718), 9 states have internal predecessors, (2718), 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 08:01:22,151 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 302.0) internal successors, (2718), 9 states have internal predecessors, (2718), 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 08:01:22,151 INFO L175 Difference]: Start difference. First operand has 49 places, 31 transitions, 115 flow. Second operand 8 states and 1126 transitions. [2023-11-19 08:01:22,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 107 transitions, 564 flow [2023-11-19 08:01:22,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 107 transitions, 528 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 08:01:22,158 INFO L231 Difference]: Finished difference. Result has 56 places, 60 transitions, 290 flow [2023-11-19 08:01:22,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=290, PETRI_PLACES=56, PETRI_TRANSITIONS=60} [2023-11-19 08:01:22,159 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2023-11-19 08:01:22,159 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 60 transitions, 290 flow [2023-11-19 08:01:22,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 129.875) internal successors, (1039), 8 states have internal predecessors, (1039), 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 08:01:22,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:22,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:22,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:01:22,160 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 08:01:22,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:22,161 INFO L85 PathProgramCache]: Analyzing trace with hash 595337955, now seen corresponding path program 1 times [2023-11-19 08:01:22,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:22,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462338553] [2023-11-19 08:01:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,374 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 08:01:22,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:22,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462338553] [2023-11-19 08:01:22,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462338553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:22,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:22,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:22,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64317118] [2023-11-19 08:01:22,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:22,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:22,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:22,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:22,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 302 [2023-11-19 08:01:22,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 60 transitions, 290 flow. Second operand has 4 states, 4 states have (on average 136.5) internal successors, (546), 4 states have internal predecessors, (546), 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 08:01:22,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:22,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 302 [2023-11-19 08:01:22,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:23,041 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 192#true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 89#L878-3true, P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:23,042 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2023-11-19 08:01:23,042 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:23,042 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:23,042 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:23,149 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][74], [75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 122#L881true, 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), 212#true]) [2023-11-19 08:01:23,149 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,149 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,150 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,150 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,186 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 122#L881true, 192#true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), P1Thread1of1ForFork0InUse]) [2023-11-19 08:01:23,187 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,187 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,187 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,188 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:23,248 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 192#true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 89#L878-3true, P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:23,248 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is not cut-off event [2023-11-19 08:01:23,248 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:23,249 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:23,249 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:23,274 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][74], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 122#L881true, 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), 212#true]) [2023-11-19 08:01:23,275 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,275 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,275 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,275 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,276 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][74], [75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 13#L889true, P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), 212#true]) [2023-11-19 08:01:23,277 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,277 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,277 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,277 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:23,364 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 122#L881true, 192#true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:23,364 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,364 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,365 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,365 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([636] L889-->ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK: Formula: (and (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_24| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_44|) (= (mod v_~main$tmp_guard1~0_16 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_24|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_44| 0) (= v_~main$tmp_guard1~0_16 (ite (= (ite (not (and (= v_~__unbuffered_p1_EBX~0_20 0) (= 0 v_~__unbuffered_p3_EBX~0_18) (= v_~__unbuffered_p0_EAX~0_20 0) (= v_~__unbuffered_p2_EAX~0_34 0) (= v_~__unbuffered_p1_EAX~0_18 1) (= v_~__unbuffered_p3_EAX~0_30 1))) 1 0) 0) 0 1))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_20, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_20, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_18, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_34, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18} OutVars{ULTIMATE.start_reach_error_#t~nondet0#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet0#1.offset_34|, ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_44|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_20, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_20, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_24|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_18, ULTIMATE.start_reach_error_#t~nondet0#1.base=|v_ULTIMATE.start_reach_error_#t~nondet0#1.base_34|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_16, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_34, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18} AuxVars[] AssignedVars[ULTIMATE.start_reach_error_#t~nondet0#1.offset, ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_reach_error_#t~nondet0#1.base, ~main$tmp_guard1~0][86], [75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), 74#ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAKtrue, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), 85#L775true, Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 199#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), 212#true]) [2023-11-19 08:01:23,384 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,384 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,384 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,385 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:23,396 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][74], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 13#L889true, P1Thread1of1ForFork0InUse, 212#true, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:23,397 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-19 08:01:23,397 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 08:01:23,397 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 08:01:23,397 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 08:01:23,483 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([636] L889-->ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK: Formula: (and (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_24| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_44|) (= (mod v_~main$tmp_guard1~0_16 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_24|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_44| 0) (= v_~main$tmp_guard1~0_16 (ite (= (ite (not (and (= v_~__unbuffered_p1_EBX~0_20 0) (= 0 v_~__unbuffered_p3_EBX~0_18) (= v_~__unbuffered_p0_EAX~0_20 0) (= v_~__unbuffered_p2_EAX~0_34 0) (= v_~__unbuffered_p1_EAX~0_18 1) (= v_~__unbuffered_p3_EAX~0_30 1))) 1 0) 0) 0 1))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_20, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_20, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_18, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_30, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_34, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18} OutVars{ULTIMATE.start_reach_error_#t~nondet0#1.offset=|v_ULTIMATE.start_reach_error_#t~nondet0#1.offset_34|, ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_44|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_20, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_20, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_24|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_18, ULTIMATE.start_reach_error_#t~nondet0#1.base=|v_ULTIMATE.start_reach_error_#t~nondet0#1.base_34|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_30, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_16, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_34, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18} 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$tmp_guard1~0][86], [75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 205#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), 74#ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAKtrue, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), 85#L775true, 199#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~__unbuffered_p3_EAX~0 1) (= ~__unbuffered_p2_EAX~0 0)), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), 212#true]) [2023-11-19 08:01:23,484 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is not cut-off event [2023-11-19 08:01:23,484 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is not cut-off event [2023-11-19 08:01:23,484 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is not cut-off event [2023-11-19 08:01:23,484 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is not cut-off event [2023-11-19 08:01:23,588 INFO L124 PetriNetUnfolderBase]: 4804/6904 cut-off events. [2023-11-19 08:01:23,588 INFO L125 PetriNetUnfolderBase]: For 3701/3707 co-relation queries the response was YES. [2023-11-19 08:01:23,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18206 conditions, 6904 events. 4804/6904 cut-off events. For 3701/3707 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 35437 event pairs, 644 based on Foata normal form. 424/7182 useless extension candidates. Maximal degree in co-relation 18193. Up to 3302 conditions per place. [2023-11-19 08:01:23,634 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 75 selfloop transitions, 6 changer transitions 0/93 dead transitions. [2023-11-19 08:01:23,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 93 transitions, 552 flow [2023-11-19 08:01:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:01:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 592 transitions. [2023-11-19 08:01:23,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4900662251655629 [2023-11-19 08:01:23,638 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 592 transitions. [2023-11-19 08:01:23,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 592 transitions. [2023-11-19 08:01:23,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:23,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 592 transitions. [2023-11-19 08:01:23,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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 08:01:23,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:23,646 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:23,646 INFO L175 Difference]: Start difference. First operand has 56 places, 60 transitions, 290 flow. Second operand 4 states and 592 transitions. [2023-11-19 08:01:23,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 93 transitions, 552 flow [2023-11-19 08:01:23,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 93 transitions, 545 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 08:01:23,677 INFO L231 Difference]: Finished difference. Result has 60 places, 63 transitions, 311 flow [2023-11-19 08:01:23,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=311, PETRI_PLACES=60, PETRI_TRANSITIONS=63} [2023-11-19 08:01:23,679 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 10 predicate places. [2023-11-19 08:01:23,679 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 63 transitions, 311 flow [2023-11-19 08:01:23,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 136.5) internal successors, (546), 4 states have internal predecessors, (546), 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 08:01:23,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:23,680 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 08:01:23,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:01:23,680 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 08:01:23,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:23,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1375779741, now seen corresponding path program 1 times [2023-11-19 08:01:23,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:23,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133934298] [2023-11-19 08:01:23,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:23,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:23,976 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 08:01:23,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:23,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133934298] [2023-11-19 08:01:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133934298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:23,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:23,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900585338] [2023-11-19 08:01:23,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:23,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:23,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:23,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:23,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:23,987 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 302 [2023-11-19 08:01:23,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 63 transitions, 311 flow. Second operand has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 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 08:01:23,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:23,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 302 [2023-11-19 08:01:23,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:25,341 INFO L124 PetriNetUnfolderBase]: 6464/9400 cut-off events. [2023-11-19 08:01:25,342 INFO L125 PetriNetUnfolderBase]: For 7661/7698 co-relation queries the response was YES. [2023-11-19 08:01:25,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29121 conditions, 9400 events. 6464/9400 cut-off events. For 7661/7698 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 51213 event pairs, 1337 based on Foata normal form. 109/9494 useless extension candidates. Maximal degree in co-relation 29106. Up to 5432 conditions per place. [2023-11-19 08:01:25,486 INFO L140 encePairwiseOnDemand]: 299/302 looper letters, 113 selfloop transitions, 7 changer transitions 0/126 dead transitions. [2023-11-19 08:01:25,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 126 transitions, 845 flow [2023-11-19 08:01:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:01:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 605 transitions. [2023-11-19 08:01:25,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5008278145695364 [2023-11-19 08:01:25,489 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 605 transitions. [2023-11-19 08:01:25,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 605 transitions. [2023-11-19 08:01:25,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:25,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 605 transitions. [2023-11-19 08:01:25,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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 08:01:25,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:25,495 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:25,496 INFO L175 Difference]: Start difference. First operand has 60 places, 63 transitions, 311 flow. Second operand 4 states and 605 transitions. [2023-11-19 08:01:25,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 126 transitions, 845 flow [2023-11-19 08:01:25,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 126 transitions, 841 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:01:25,506 INFO L231 Difference]: Finished difference. Result has 64 places, 69 transitions, 377 flow [2023-11-19 08:01:25,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=377, PETRI_PLACES=64, PETRI_TRANSITIONS=69} [2023-11-19 08:01:25,507 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 14 predicate places. [2023-11-19 08:01:25,508 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 69 transitions, 377 flow [2023-11-19 08:01:25,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 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 08:01:25,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:25,508 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 08:01:25,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:01:25,509 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 08:01:25,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:25,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1081341462, now seen corresponding path program 1 times [2023-11-19 08:01:25,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:25,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066678655] [2023-11-19 08:01:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:25,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:25,715 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 08:01:25,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:25,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066678655] [2023-11-19 08:01:25,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066678655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:25,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:25,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:25,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69177060] [2023-11-19 08:01:25,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:25,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:25,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:25,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:25,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:25,730 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 302 [2023-11-19 08:01:25,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 69 transitions, 377 flow. Second operand has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 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 08:01:25,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:25,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 302 [2023-11-19 08:01:25,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:26,421 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][31], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 192#true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 89#L878-3true, P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:26,422 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2023-11-19 08:01:26,422 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:26,422 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:26,422 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:26,505 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 192#true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), 89#L878-3true, P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:26,506 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,506 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,506 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,506 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,506 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][31], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:26,506 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,507 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,507 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,507 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,532 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][31], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 192#true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 4#L806true, Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), P1Thread1of1ForFork0InUse]) [2023-11-19 08:01:26,533 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,533 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,533 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,533 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:26,589 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 192#true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:26,589 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,590 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,590 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,590 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,590 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][98], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 230#true, Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:26,591 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,591 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,591 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,591 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,612 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 192#true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|))), P1Thread1of1ForFork0InUse]) [2023-11-19 08:01:26,612 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,612 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,613 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,613 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:26,651 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][98], [120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 13#L889true, Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 230#true, 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:26,651 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-19 08:01:26,652 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 08:01:26,652 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 08:01:26,652 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-19 08:01:26,767 INFO L124 PetriNetUnfolderBase]: 4902/7348 cut-off events. [2023-11-19 08:01:26,767 INFO L125 PetriNetUnfolderBase]: For 7014/7029 co-relation queries the response was YES. [2023-11-19 08:01:26,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22698 conditions, 7348 events. 4902/7348 cut-off events. For 7014/7029 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 41344 event pairs, 706 based on Foata normal form. 416/7670 useless extension candidates. Maximal degree in co-relation 22681. Up to 2596 conditions per place. [2023-11-19 08:01:26,804 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 90 selfloop transitions, 10 changer transitions 0/118 dead transitions. [2023-11-19 08:01:26,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 118 transitions, 777 flow [2023-11-19 08:01:26,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:01:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:01:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 743 transitions. [2023-11-19 08:01:26,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49205298013245036 [2023-11-19 08:01:26,807 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 743 transitions. [2023-11-19 08:01:26,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 743 transitions. [2023-11-19 08:01:26,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:26,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 743 transitions. [2023-11-19 08:01:26,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 148.6) internal successors, (743), 5 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 08:01:26,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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 08:01:26,814 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 302.0) internal successors, (1812), 6 states have internal predecessors, (1812), 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 08:01:26,814 INFO L175 Difference]: Start difference. First operand has 64 places, 69 transitions, 377 flow. Second operand 5 states and 743 transitions. [2023-11-19 08:01:26,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 118 transitions, 777 flow [2023-11-19 08:01:26,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 118 transitions, 773 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:01:26,833 INFO L231 Difference]: Finished difference. Result has 69 places, 74 transitions, 443 flow [2023-11-19 08:01:26,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=443, PETRI_PLACES=69, PETRI_TRANSITIONS=74} [2023-11-19 08:01:26,834 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2023-11-19 08:01:26,834 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 74 transitions, 443 flow [2023-11-19 08:01:26,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 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 08:01:26,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:26,835 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 08:01:26,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:01:26,835 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 08:01:26,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1254163248, now seen corresponding path program 1 times [2023-11-19 08:01:26,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:26,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113750210] [2023-11-19 08:01:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:27,068 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 08:01:27,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:27,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113750210] [2023-11-19 08:01:27,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113750210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:27,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:27,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:27,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993380695] [2023-11-19 08:01:27,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:27,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:27,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:27,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:27,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:27,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 302 [2023-11-19 08:01:27,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 74 transitions, 443 flow. Second operand has 6 states, 6 states have (on average 136.33333333333334) internal successors, (818), 6 states have internal predecessors, (818), 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 08:01:27,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:27,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 302 [2023-11-19 08:01:27,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:27,631 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [251#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1)), 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 4#L806true, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), 89#L878-3true, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,632 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2023-11-19 08:01:27,632 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:27,632 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:27,632 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-19 08:01:27,732 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [251#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1)), 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 4#L806true, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,732 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:27,732 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:27,733 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:27,733 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:27,845 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][30], [251#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1)), 192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 4#L806true, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,845 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,845 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,846 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,846 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,853 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 89#L878-3true, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,853 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,853 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,853 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,853 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:27,858 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,858 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,858 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,858 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,858 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,859 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, Black: 223#(= ~a~0 1), P2Thread1of1ForFork3InUse, 122#L881true, 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 230#true, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,859 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,859 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,859 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,859 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:27,913 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][77], [192#true, 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:27,913 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is not cut-off event [2023-11-19 08:01:27,913 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:27,913 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:27,913 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is not cut-off event [2023-11-19 08:01:28,009 INFO L124 PetriNetUnfolderBase]: 4341/6513 cut-off events. [2023-11-19 08:01:28,009 INFO L125 PetriNetUnfolderBase]: For 11042/11049 co-relation queries the response was YES. [2023-11-19 08:01:28,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23118 conditions, 6513 events. 4341/6513 cut-off events. For 11042/11049 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 36023 event pairs, 728 based on Foata normal form. 155/6590 useless extension candidates. Maximal degree in co-relation 23099. Up to 2580 conditions per place. [2023-11-19 08:01:28,037 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 102 selfloop transitions, 14 changer transitions 0/133 dead transitions. [2023-11-19 08:01:28,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 133 transitions, 927 flow [2023-11-19 08:01:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:28,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:01:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 892 transitions. [2023-11-19 08:01:28,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4922737306843267 [2023-11-19 08:01:28,041 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 892 transitions. [2023-11-19 08:01:28,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 892 transitions. [2023-11-19 08:01:28,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:28,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 892 transitions. [2023-11-19 08:01:28,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 148.66666666666666) internal successors, (892), 6 states have internal predecessors, (892), 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 08:01:28,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:28,050 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:28,050 INFO L175 Difference]: Start difference. First operand has 69 places, 74 transitions, 443 flow. Second operand 6 states and 892 transitions. [2023-11-19 08:01:28,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 133 transitions, 927 flow [2023-11-19 08:01:28,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 133 transitions, 911 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-19 08:01:28,072 INFO L231 Difference]: Finished difference. Result has 74 places, 78 transitions, 507 flow [2023-11-19 08:01:28,072 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=507, PETRI_PLACES=74, PETRI_TRANSITIONS=78} [2023-11-19 08:01:28,073 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 24 predicate places. [2023-11-19 08:01:28,073 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 507 flow [2023-11-19 08:01:28,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.33333333333334) internal successors, (818), 6 states have internal predecessors, (818), 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 08:01:28,074 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:28,074 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 08:01:28,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:01:28,074 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 08:01:28,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1400197139, now seen corresponding path program 1 times [2023-11-19 08:01:28,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:28,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083274652] [2023-11-19 08:01:28,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,287 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 08:01:28,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:28,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083274652] [2023-11-19 08:01:28,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083274652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:28,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:28,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:28,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596888230] [2023-11-19 08:01:28,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:28,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:28,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:28,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:28,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:28,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 302 [2023-11-19 08:01:28,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 78 transitions, 507 flow. Second operand has 4 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 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 08:01:28,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:28,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 302 [2023-11-19 08:01:28,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:29,437 INFO L124 PetriNetUnfolderBase]: 5500/8399 cut-off events. [2023-11-19 08:01:29,437 INFO L125 PetriNetUnfolderBase]: For 22466/22516 co-relation queries the response was YES. [2023-11-19 08:01:29,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32388 conditions, 8399 events. 5500/8399 cut-off events. For 22466/22516 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 50586 event pairs, 747 based on Foata normal form. 48/8315 useless extension candidates. Maximal degree in co-relation 32367. Up to 4701 conditions per place. [2023-11-19 08:01:29,487 INFO L140 encePairwiseOnDemand]: 299/302 looper letters, 119 selfloop transitions, 6 changer transitions 3/145 dead transitions. [2023-11-19 08:01:29,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 145 transitions, 1233 flow [2023-11-19 08:01:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:01:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 601 transitions. [2023-11-19 08:01:29,490 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49751655629139074 [2023-11-19 08:01:29,490 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 601 transitions. [2023-11-19 08:01:29,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 601 transitions. [2023-11-19 08:01:29,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:29,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 601 transitions. [2023-11-19 08:01:29,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 150.25) internal successors, (601), 4 states have internal predecessors, (601), 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 08:01:29,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:29,497 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:29,497 INFO L175 Difference]: Start difference. First operand has 74 places, 78 transitions, 507 flow. Second operand 4 states and 601 transitions. [2023-11-19 08:01:29,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 145 transitions, 1233 flow [2023-11-19 08:01:29,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 145 transitions, 1151 flow, removed 22 selfloop flow, removed 3 redundant places. [2023-11-19 08:01:29,663 INFO L231 Difference]: Finished difference. Result has 76 places, 82 transitions, 527 flow [2023-11-19 08:01:29,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=527, PETRI_PLACES=76, PETRI_TRANSITIONS=82} [2023-11-19 08:01:29,664 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 26 predicate places. [2023-11-19 08:01:29,664 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 82 transitions, 527 flow [2023-11-19 08:01:29,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 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 08:01:29,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:29,665 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 08:01:29,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:01:29,665 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 08:01:29,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:29,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1947752965, now seen corresponding path program 2 times [2023-11-19 08:01:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:29,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511045894] [2023-11-19 08:01:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,927 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 08:01:29,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:29,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511045894] [2023-11-19 08:01:29,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511045894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:29,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:29,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:01:29,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171986498] [2023-11-19 08:01:29,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:29,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:01:29,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:01:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:29,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 302 [2023-11-19 08:01:29,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 82 transitions, 527 flow. Second operand has 7 states, 7 states have (on average 136.14285714285714) internal successors, (953), 7 states have internal predecessors, (953), 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 08:01:29,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:29,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 302 [2023-11-19 08:01:29,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:30,755 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][56], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 277#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 4#L806true, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), 89#L878-3true, Black: 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,755 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is not cut-off event [2023-11-19 08:01:30,755 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is not cut-off event [2023-11-19 08:01:30,756 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is not cut-off event [2023-11-19 08:01:30,756 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is not cut-off event [2023-11-19 08:01:30,766 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][81], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, Black: 223#(= ~a~0 1), P2Thread1of1ForFork3InUse, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 279#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), 89#L878-3true, Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,766 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,766 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,766 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,766 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,767 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][56], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 277#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, Black: 223#(= ~a~0 1), P2Thread1of1ForFork3InUse, 122#L881true, Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 4#L806true, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,767 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,767 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,767 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,767 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-19 08:01:30,885 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][56], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 277#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, P2Thread1of1ForFork3InUse, Black: 223#(= ~a~0 1), 122#L881true, 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 4#L806true, Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,885 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is not cut-off event [2023-11-19 08:01:30,885 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:30,885 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:30,885 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is not cut-off event [2023-11-19 08:01:30,898 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][81], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 120#L780true, 75#L847true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, Black: 223#(= ~a~0 1), P2Thread1of1ForFork3InUse, 122#L881true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 279#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,898 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,898 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,898 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,898 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,898 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][81], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, Black: 223#(= ~a~0 1), P2Thread1of1ForFork3InUse, 122#L881true, 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 279#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,899 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,899 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,899 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,899 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,927 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([547] L775-->L780: Formula: (= v_~__unbuffered_p1_EBX~0_8 v_~y~0_8) InVars {~y~0=v_~y~0_8} OutVars{~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_8, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~__unbuffered_p1_EBX~0][81], [Black: 247#(< ~main$tmp_guard0~0 (+ 1 (* (div ~main$tmp_guard0~0 256) 256))), 262#(and (= ~__unbuffered_p1_EBX~0 1) (= ~y~0 1)), 192#true, Black: 259#(= ~y~0 1), 87#P0EXITtrue, 167#true, Black: 201#(and (= ~__unbuffered_p1_EAX~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), 69#P2EXITtrue, Black: 194#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 195#(and (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 203#(and (= ~__unbuffered_p1_EAX~0 1) (= ~z$r_buff0_thd4~0 1) (= ~z$w_buff0_used~0 1) (= ~__unbuffered_p3_EBX~0 0) (= ~__unbuffered_p0_EAX~0 0) (= ~x~0 1) (= ~__unbuffered_p1_EBX~0 0) (= ~z$r_buff0_thd0~0 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$w_buff0~0 1)), Black: 217#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 226#(and (= ~__unbuffered_p3_EBX~0 1) (= ~a~0 1)), P1Thread1of1ForFork0InUse, 75#L847true, 120#L780true, P0Thread1of1ForFork2InUse, P3Thread1of1ForFork1InUse, Black: 223#(= ~a~0 1), P2Thread1of1ForFork3InUse, 122#L881true, 234#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 215#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= 0 ~main$tmp_guard0~0)), 253#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 238#(and (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256)) (<= ~__unbuffered_cnt~0 1) (<= 0 ~main$tmp_guard0~0)), Black: 177#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= ~__unbuffered_p1_EAX~0 0) (= (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)), Black: 179#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= (store (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p1_EAX~0 1))), Black: 178#(and (not (= (select |#valid| |ULTIMATE.start_main_~#t326~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t325~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= (select |#valid| |ULTIMATE.start_main_~#t327~0#1.base|) 0)) (= (store (store (store |#valid| |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (not (= ~__unbuffered_p1_EAX~0 1))), 279#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 (* (div ~main$tmp_guard0~0 256) 256))), Black: 189#(and (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t327~0#1.base|)) (not (= |ULTIMATE.start_main_~#t327~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| (store (store (store (store |#valid| |ULTIMATE.start_main_~#t327~0#1.base| 0) |ULTIMATE.start_main_~#t326~0#1.base| 0) |ULTIMATE.start_main_~#t328~0#1.base| 0) |ULTIMATE.start_main_~#t325~0#1.base| 0)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t326~0#1.base|)) (not (= |ULTIMATE.start_main_~#t326~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= |ULTIMATE.start_main_~#t328~0#1.base| |ULTIMATE.start_main_~#t325~0#1.base|)))]) [2023-11-19 08:01:30,927 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,927 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,927 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:30,927 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-19 08:01:31,135 INFO L124 PetriNetUnfolderBase]: 5508/8313 cut-off events. [2023-11-19 08:01:31,136 INFO L125 PetriNetUnfolderBase]: For 17095/17104 co-relation queries the response was YES. [2023-11-19 08:01:31,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31444 conditions, 8313 events. 5508/8313 cut-off events. For 17095/17104 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 49209 event pairs, 798 based on Foata normal form. 49/8242 useless extension candidates. Maximal degree in co-relation 31421. Up to 3242 conditions per place. [2023-11-19 08:01:31,183 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 89 selfloop transitions, 18 changer transitions 0/123 dead transitions. [2023-11-19 08:01:31,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 123 transitions, 928 flow [2023-11-19 08:01:31,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:01:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-19 08:01:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1013 transitions. [2023-11-19 08:01:31,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4791863765373699 [2023-11-19 08:01:31,189 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1013 transitions. [2023-11-19 08:01:31,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1013 transitions. [2023-11-19 08:01:31,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:31,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1013 transitions. [2023-11-19 08:01:31,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 144.71428571428572) internal successors, (1013), 7 states have internal predecessors, (1013), 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 08:01:31,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 302.0) internal successors, (2416), 8 states have internal predecessors, (2416), 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 08:01:31,199 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 302.0) internal successors, (2416), 8 states have internal predecessors, (2416), 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 08:01:31,199 INFO L175 Difference]: Start difference. First operand has 76 places, 82 transitions, 527 flow. Second operand 7 states and 1013 transitions. [2023-11-19 08:01:31,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 123 transitions, 928 flow [2023-11-19 08:01:31,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 123 transitions, 899 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-19 08:01:31,528 INFO L231 Difference]: Finished difference. Result has 81 places, 79 transitions, 550 flow [2023-11-19 08:01:31,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=550, PETRI_PLACES=81, PETRI_TRANSITIONS=79} [2023-11-19 08:01:31,529 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 31 predicate places. [2023-11-19 08:01:31,529 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 79 transitions, 550 flow [2023-11-19 08:01:31,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 136.14285714285714) internal successors, (953), 7 states have internal predecessors, (953), 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 08:01:31,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:31,530 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 08:01:31,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 08:01:31,530 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:31,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:31,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1165455092, now seen corresponding path program 1 times [2023-11-19 08:01:31,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:31,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576234434] [2023-11-19 08:01:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:31,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:32,424 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 08:01:32,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:32,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576234434] [2023-11-19 08:01:32,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576234434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:32,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:32,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:01:32,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961772418] [2023-11-19 08:01:32,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:32,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:01:32,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:32,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:01:32,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:01:32,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 302 [2023-11-19 08:01:32,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 79 transitions, 550 flow. Second operand has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 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 08:01:32,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:32,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 302 [2023-11-19 08:01:32,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:35,076 INFO L124 PetriNetUnfolderBase]: 8896/13374 cut-off events. [2023-11-19 08:01:35,077 INFO L125 PetriNetUnfolderBase]: For 43316/43330 co-relation queries the response was YES. [2023-11-19 08:01:35,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55724 conditions, 13374 events. 8896/13374 cut-off events. For 43316/43330 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 81598 event pairs, 3316 based on Foata normal form. 3/13358 useless extension candidates. Maximal degree in co-relation 55701. Up to 8455 conditions per place. [2023-11-19 08:01:35,178 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 84 selfloop transitions, 4 changer transitions 118/212 dead transitions. [2023-11-19 08:01:35,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 212 transitions, 1909 flow [2023-11-19 08:01:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:01:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:01:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1006 transitions. [2023-11-19 08:01:35,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4163907284768212 [2023-11-19 08:01:35,183 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1006 transitions. [2023-11-19 08:01:35,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1006 transitions. [2023-11-19 08:01:35,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:35,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1006 transitions. [2023-11-19 08:01:35,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 125.75) internal successors, (1006), 8 states have internal predecessors, (1006), 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 08:01:35,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 302.0) internal successors, (2718), 9 states have internal predecessors, (2718), 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 08:01:35,193 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 302.0) internal successors, (2718), 9 states have internal predecessors, (2718), 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 08:01:35,193 INFO L175 Difference]: Start difference. First operand has 81 places, 79 transitions, 550 flow. Second operand 8 states and 1006 transitions. [2023-11-19 08:01:35,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 212 transitions, 1909 flow [2023-11-19 08:01:35,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 212 transitions, 1769 flow, removed 24 selfloop flow, removed 4 redundant places. [2023-11-19 08:01:35,974 INFO L231 Difference]: Finished difference. Result has 88 places, 79 transitions, 532 flow [2023-11-19 08:01:35,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=532, PETRI_PLACES=88, PETRI_TRANSITIONS=79} [2023-11-19 08:01:35,975 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 38 predicate places. [2023-11-19 08:01:35,975 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 79 transitions, 532 flow [2023-11-19 08:01:35,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 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 08:01:35,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:35,976 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 08:01:35,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 08:01:35,976 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:35,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:35,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1941359978, now seen corresponding path program 2 times [2023-11-19 08:01:35,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:35,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119921164] [2023-11-19 08:01:35,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:35,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:36,873 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 08:01:36,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:36,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119921164] [2023-11-19 08:01:36,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119921164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:36,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:36,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:01:36,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163792304] [2023-11-19 08:01:36,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:36,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:01:36,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:36,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:01:36,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:01:37,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 302 [2023-11-19 08:01:37,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 79 transitions, 532 flow. Second operand has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 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 08:01:37,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:37,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 302 [2023-11-19 08:01:37,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:39,385 INFO L124 PetriNetUnfolderBase]: 8715/13175 cut-off events. [2023-11-19 08:01:39,385 INFO L125 PetriNetUnfolderBase]: For 33563/33570 co-relation queries the response was YES. [2023-11-19 08:01:39,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52481 conditions, 13175 events. 8715/13175 cut-off events. For 33563/33570 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 80659 event pairs, 3911 based on Foata normal form. 2/13163 useless extension candidates. Maximal degree in co-relation 52454. Up to 8291 conditions per place. [2023-11-19 08:01:39,477 INFO L140 encePairwiseOnDemand]: 295/302 looper letters, 71 selfloop transitions, 2 changer transitions 122/200 dead transitions. [2023-11-19 08:01:39,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 200 transitions, 1725 flow [2023-11-19 08:01:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:01:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:01:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1001 transitions. [2023-11-19 08:01:39,482 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4143211920529801 [2023-11-19 08:01:39,482 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1001 transitions. [2023-11-19 08:01:39,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1001 transitions. [2023-11-19 08:01:39,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:39,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1001 transitions. [2023-11-19 08:01:39,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 125.125) internal successors, (1001), 8 states have internal predecessors, (1001), 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 08:01:39,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 302.0) internal successors, (2718), 9 states have internal predecessors, (2718), 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 08:01:39,492 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 302.0) internal successors, (2718), 9 states have internal predecessors, (2718), 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 08:01:39,493 INFO L175 Difference]: Start difference. First operand has 88 places, 79 transitions, 532 flow. Second operand 8 states and 1001 transitions. [2023-11-19 08:01:39,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 200 transitions, 1725 flow [2023-11-19 08:01:40,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 200 transitions, 1681 flow, removed 15 selfloop flow, removed 6 redundant places. [2023-11-19 08:01:40,210 INFO L231 Difference]: Finished difference. Result has 90 places, 78 transitions, 530 flow [2023-11-19 08:01:40,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=530, PETRI_PLACES=90, PETRI_TRANSITIONS=78} [2023-11-19 08:01:40,211 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 40 predicate places. [2023-11-19 08:01:40,211 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 78 transitions, 530 flow [2023-11-19 08:01:40,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 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 08:01:40,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:40,212 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 08:01:40,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 08:01:40,212 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:40,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:40,213 INFO L85 PathProgramCache]: Analyzing trace with hash -357349278, now seen corresponding path program 3 times [2023-11-19 08:01:40,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:40,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730721953] [2023-11-19 08:01:40,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:40,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:40,943 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 08:01:40,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:40,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730721953] [2023-11-19 08:01:40,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730721953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:40,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:40,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:40,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20275133] [2023-11-19 08:01:40,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:40,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:40,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:40,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:40,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:41,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 302 [2023-11-19 08:01:41,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 78 transitions, 530 flow. Second operand has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 08:01:41,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:41,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 302 [2023-11-19 08:01:41,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:42,272 INFO L124 PetriNetUnfolderBase]: 5192/7987 cut-off events. [2023-11-19 08:01:42,272 INFO L125 PetriNetUnfolderBase]: For 20284/20288 co-relation queries the response was YES. [2023-11-19 08:01:42,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31524 conditions, 7987 events. 5192/7987 cut-off events. For 20284/20288 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 47376 event pairs, 1205 based on Foata normal form. 4/7851 useless extension candidates. Maximal degree in co-relation 31495. Up to 7499 conditions per place. [2023-11-19 08:01:42,317 INFO L140 encePairwiseOnDemand]: 297/302 looper letters, 52 selfloop transitions, 6 changer transitions 38/105 dead transitions. [2023-11-19 08:01:42,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 105 transitions, 889 flow [2023-11-19 08:01:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:01:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 757 transitions. [2023-11-19 08:01:42,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4177704194260486 [2023-11-19 08:01:42,322 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 757 transitions. [2023-11-19 08:01:42,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 757 transitions. [2023-11-19 08:01:42,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:42,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 757 transitions. [2023-11-19 08:01:42,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 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 08:01:42,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:42,330 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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 08:01:42,330 INFO L175 Difference]: Start difference. First operand has 90 places, 78 transitions, 530 flow. Second operand 6 states and 757 transitions. [2023-11-19 08:01:42,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 105 transitions, 889 flow [2023-11-19 08:01:42,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 105 transitions, 867 flow, removed 9 selfloop flow, removed 5 redundant places. [2023-11-19 08:01:42,655 INFO L231 Difference]: Finished difference. Result has 84 places, 56 transitions, 375 flow [2023-11-19 08:01:42,655 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=375, PETRI_PLACES=84, PETRI_TRANSITIONS=56} [2023-11-19 08:01:42,656 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 34 predicate places. [2023-11-19 08:01:42,656 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 56 transitions, 375 flow [2023-11-19 08:01:42,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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 08:01:42,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:42,657 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 08:01:42,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 08:01:42,657 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:42,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:42,658 INFO L85 PathProgramCache]: Analyzing trace with hash -335050379, now seen corresponding path program 1 times [2023-11-19 08:01:42,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:42,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452491335] [2023-11-19 08:01:42,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:42,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,884 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 08:01:42,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:42,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452491335] [2023-11-19 08:01:42,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452491335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:42,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:42,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:42,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522932659] [2023-11-19 08:01:42,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:42,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:42,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:42,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:42,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:42,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 302 [2023-11-19 08:01:42,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 56 transitions, 375 flow. Second operand has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 08:01:42,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:42,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 302 [2023-11-19 08:01:42,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:43,481 INFO L124 PetriNetUnfolderBase]: 2420/3874 cut-off events. [2023-11-19 08:01:43,481 INFO L125 PetriNetUnfolderBase]: For 9108/9108 co-relation queries the response was YES. [2023-11-19 08:01:43,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15173 conditions, 3874 events. 2420/3874 cut-off events. For 9108/9108 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 21563 event pairs, 700 based on Foata normal form. 1/3854 useless extension candidates. Maximal degree in co-relation 15147. Up to 1974 conditions per place. [2023-11-19 08:01:43,496 INFO L140 encePairwiseOnDemand]: 299/302 looper letters, 40 selfloop transitions, 1 changer transitions 66/109 dead transitions. [2023-11-19 08:01:43,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 109 transitions, 923 flow [2023-11-19 08:01:43,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:01:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 599 transitions. [2023-11-19 08:01:43,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4958609271523179 [2023-11-19 08:01:43,499 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 599 transitions. [2023-11-19 08:01:43,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 599 transitions. [2023-11-19 08:01:43,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:43,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 599 transitions. [2023-11-19 08:01:43,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 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 08:01:43,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:43,505 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 302.0) internal successors, (1510), 5 states have internal predecessors, (1510), 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 08:01:43,505 INFO L175 Difference]: Start difference. First operand has 84 places, 56 transitions, 375 flow. Second operand 4 states and 599 transitions. [2023-11-19 08:01:43,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 109 transitions, 923 flow [2023-11-19 08:01:43,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 109 transitions, 855 flow, removed 6 selfloop flow, removed 9 redundant places. [2023-11-19 08:01:43,568 INFO L231 Difference]: Finished difference. Result has 78 places, 38 transitions, 232 flow [2023-11-19 08:01:43,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=232, PETRI_PLACES=78, PETRI_TRANSITIONS=38} [2023-11-19 08:01:43,569 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 28 predicate places. [2023-11-19 08:01:43,569 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 38 transitions, 232 flow [2023-11-19 08:01:43,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 08:01:43,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:43,570 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 08:01:43,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 08:01:43,571 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:43,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:43,571 INFO L85 PathProgramCache]: Analyzing trace with hash 589523383, now seen corresponding path program 2 times [2023-11-19 08:01:43,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:43,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56067696] [2023-11-19 08:01:43,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:43,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:45,431 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 08:01:45,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:45,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56067696] [2023-11-19 08:01:45,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56067696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:45,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:45,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:45,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228282228] [2023-11-19 08:01:45,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:45,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:01:45,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:45,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:01:45,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:45,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 302 [2023-11-19 08:01:45,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 38 transitions, 232 flow. Second operand has 7 states, 7 states have (on average 133.42857142857142) internal successors, (934), 7 states have internal predecessors, (934), 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 08:01:45,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:45,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 302 [2023-11-19 08:01:45,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:45,860 INFO L124 PetriNetUnfolderBase]: 383/676 cut-off events. [2023-11-19 08:01:45,860 INFO L125 PetriNetUnfolderBase]: For 2045/2045 co-relation queries the response was YES. [2023-11-19 08:01:45,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2796 conditions, 676 events. 383/676 cut-off events. For 2045/2045 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2803 event pairs, 44 based on Foata normal form. 1/677 useless extension candidates. Maximal degree in co-relation 2772. Up to 234 conditions per place. [2023-11-19 08:01:45,864 INFO L140 encePairwiseOnDemand]: 296/302 looper letters, 36 selfloop transitions, 4 changer transitions 44/86 dead transitions. [2023-11-19 08:01:45,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 86 transitions, 727 flow [2023-11-19 08:01:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:01:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-19 08:01:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 963 transitions. [2023-11-19 08:01:45,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4555345316934721 [2023-11-19 08:01:45,869 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 963 transitions. [2023-11-19 08:01:45,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 963 transitions. [2023-11-19 08:01:45,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:45,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 963 transitions. [2023-11-19 08:01:45,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 137.57142857142858) internal successors, (963), 7 states have internal predecessors, (963), 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 08:01:45,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 302.0) internal successors, (2416), 8 states have internal predecessors, (2416), 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 08:01:45,877 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 302.0) internal successors, (2416), 8 states have internal predecessors, (2416), 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 08:01:45,878 INFO L175 Difference]: Start difference. First operand has 78 places, 38 transitions, 232 flow. Second operand 7 states and 963 transitions. [2023-11-19 08:01:45,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 86 transitions, 727 flow [2023-11-19 08:01:45,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 86 transitions, 539 flow, removed 16 selfloop flow, removed 20 redundant places. [2023-11-19 08:01:45,890 INFO L231 Difference]: Finished difference. Result has 61 places, 38 transitions, 165 flow [2023-11-19 08:01:45,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=165, PETRI_PLACES=61, PETRI_TRANSITIONS=38} [2023-11-19 08:01:45,891 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 11 predicate places. [2023-11-19 08:01:45,891 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 38 transitions, 165 flow [2023-11-19 08:01:45,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 133.42857142857142) internal successors, (934), 7 states have internal predecessors, (934), 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 08:01:45,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:45,892 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 08:01:45,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 08:01:45,892 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 13 more)] === [2023-11-19 08:01:45,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 516084619, now seen corresponding path program 3 times [2023-11-19 08:01:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:45,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736337819] [2023-11-19 08:01:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:45,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:01:45,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:01:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:01:46,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:01:46,051 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:01:46,052 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (15 of 16 remaining) [2023-11-19 08:01:46,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (14 of 16 remaining) [2023-11-19 08:01:46,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 16 remaining) [2023-11-19 08:01:46,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 16 remaining) [2023-11-19 08:01:46,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 16 remaining) [2023-11-19 08:01:46,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 16 remaining) [2023-11-19 08:01:46,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 16 remaining) [2023-11-19 08:01:46,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 16 remaining) [2023-11-19 08:01:46,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 16 remaining) [2023-11-19 08:01:46,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 16 remaining) [2023-11-19 08:01:46,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (5 of 16 remaining) [2023-11-19 08:01:46,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 16 remaining) [2023-11-19 08:01:46,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 16 remaining) [2023-11-19 08:01:46,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 16 remaining) [2023-11-19 08:01:46,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 16 remaining) [2023-11-19 08:01:46,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 16 remaining) [2023-11-19 08:01:46,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-19 08:01:46,062 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:46,069 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:01:46,069 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:01:46,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-19 08:01:46,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated [2023-11-19 08:01:46,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated [2023-11-19 08:01:46,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated [2023-11-19 08:01:46,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet0 [2023-11-19 08:01:46,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:46 BasicIcfg [2023-11-19 08:01:46,203 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:01:46,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:01:46,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:01:46,204 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:01:46,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:04" (3/4) ... [2023-11-19 08:01:46,207 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:01:46,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:01:46,208 INFO L158 Benchmark]: Toolchain (without parser) took 43523.75ms. Allocated memory was 159.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 128.3MB in the beginning and 875.2MB in the end (delta: -746.8MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-19 08:01:46,209 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:46,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.87ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 104.0MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:46,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.89ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 101.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:46,211 INFO L158 Benchmark]: Boogie Preprocessor took 58.95ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 98.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:46,211 INFO L158 Benchmark]: RCFGBuilder took 995.31ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 103.1MB in the end (delta: -4.6MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 08:01:46,212 INFO L158 Benchmark]: TraceAbstraction took 41637.68ms. Allocated memory was 159.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 102.4MB in the beginning and 876.2MB in the end (delta: -773.8MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-19 08:01:46,212 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 2.2GB. Free memory was 876.2MB in the beginning and 875.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:46,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.87ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 104.0MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.89ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 101.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.95ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 98.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 995.31ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 103.1MB in the end (delta: -4.6MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 41637.68ms. Allocated memory was 159.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 102.4MB in the beginning and 876.2MB in the end (delta: -773.8MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 2.2GB. Free memory was 876.2MB in the beginning and 875.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 6.3s, 160 PlacesBefore, 50 PlacesAfterwards, 150 TransitionsBefore, 37 TransitionsAfterwards, 4176 CoEnabledTransitionPairs, 7 FixpointIterations, 51 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 148 TotalNumberOfCompositions, 8665 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5002, independent: 4802, independent conditional: 0, independent unconditional: 4802, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2293, independent: 2254, independent conditional: 0, independent unconditional: 2254, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5002, independent: 2548, independent conditional: 0, independent unconditional: 2548, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 2293, unknown conditional: 0, unknown unconditional: 2293] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, 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_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p1_EBX = 0; [L718] 0 int __unbuffered_p2_EAX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t325; [L872] FCALL, FORK 0 pthread_create(&t325, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, t325={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] [L873] 0 pthread_t t326; [L874] FCALL, FORK 0 pthread_create(&t326, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, t325={5:0}, t326={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] [L875] 0 pthread_t t327; [L876] FCALL, FORK 0 pthread_create(&t327, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, t325={5:0}, t326={6:0}, t327={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] [L877] 0 pthread_t t328; [L878] FCALL, FORK 0 pthread_create(&t328, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, t325={5:0}, t326={6:0}, t327={7:0}, t328={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] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L821] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L821] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$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] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] 4 z$w_buff0 = weak$$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$w_buff0)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] 4 z$w_buff0_used = weak$$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)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 z$r_buff0_thd4 = weak$$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)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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] [L846] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L756] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L771] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=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] [L774] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __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$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L777] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=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] [L789] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __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$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] 3 z = !z$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) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] 3 z$w_buff1 = weak$$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$w_buff1)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] 3 z$w_buff1_used = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] 3 z$r_buff1_thd3 = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EAX = z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __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$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L782] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 2 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t325={5:0}, t326={6:0}, t327={7:0}, t328={3:0}, weak$$choice2=1, x=1, 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] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] 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) [L885] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L886] 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 [L887] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L888] 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_p0_EAX=0, __unbuffered_p1_EAX=1, __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, t325={5:0}, t326={6:0}, t327={7:0}, t328={3:0}, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix013.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice2=1, x=1, 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: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed 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. - UnprovableResult [Line: 878]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 191 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: 41.4s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1379 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1137 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4197 IncrementalHoareTripleChecker+Invalid, 4318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 49 mSDtfsCounter, 4197 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=550occurred in iteration=11, InterpolantAutomatonStates: 88, 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, 8.0s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 5693 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 08:01:46,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63fe9475-4fdf-44ba-a324-5ec378d8b6e6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...