./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:16:38,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:16:38,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 05:16:38,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:16:38,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:16:38,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:16:38,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:16:38,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:16:38,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:16:38,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:16:38,761 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:16:38,761 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:16:38,761 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:16:38,761 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:16:38,761 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:16:38,761 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:16:38,762 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:16:38,762 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:16:38,762 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:16:38,762 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:16:38,762 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:16:38,762 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:16:38,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 05:16:38,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 05:16:38,764 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:16:38,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:16:38,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:16:38,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:16:38,766 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 [2024-11-14 05:16:39,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:16:39,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:16:39,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:16:39,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:16:39,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:16:39,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i Unable to find full path for "g++" [2024-11-14 05:16:40,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:16:41,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:16:41,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2024-11-14 05:16:41,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data/cf4494778/e6da6324073a480cb23c27e9acb09787/FLAG8ca7c7031 [2024-11-14 05:16:41,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data/cf4494778/e6da6324073a480cb23c27e9acb09787 [2024-11-14 05:16:41,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:16:41,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:16:41,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:16:41,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:16:41,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:16:41,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:16:41" (1/1) ... [2024-11-14 05:16:41,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6486a88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:41, skipping insertion in model container [2024-11-14 05:16:41,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:16:41" (1/1) ... [2024-11-14 05:16:41,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:16:41,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:16:41,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:16:42,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:16:42,127 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:16:42,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42 WrapperNode [2024-11-14 05:16:42,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:16:42,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:16:42,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:16:42,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:16:42,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,204 INFO L138 Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2024-11-14 05:16:42,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:16:42,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:16:42,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:16:42,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:16:42,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:16:42,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:16:42,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:16:42,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:16:42,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (1/1) ... [2024-11-14 05:16:42,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:16:42,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:16:42,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:16:42,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:16:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:16:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:16:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:16:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:16:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 05:16:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 05:16:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 05:16:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 05:16:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 05:16:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 05:16:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:16:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:16:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:16:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:16:42,332 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:16:42,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:16:42,544 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:16:43,267 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:16:43,267 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:16:43,975 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:16:43,976 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:16:43,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:43 BoogieIcfgContainer [2024-11-14 05:16:43,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:16:43,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:16:43,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:16:43,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:16:43,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:16:41" (1/3) ... [2024-11-14 05:16:43,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d204c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:16:43, skipping insertion in model container [2024-11-14 05:16:43,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:42" (2/3) ... [2024-11-14 05:16:43,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d204c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:16:43, skipping insertion in model container [2024-11-14 05:16:43,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:43" (3/3) ... [2024-11-14 05:16:43,991 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_rmo.oepc.i [2024-11-14 05:16:44,009 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:16:44,014 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi009_rmo.oepc.i that has 4 procedures, 78 locations, 1 initial locations, 0 loop locations, and 38 error locations. [2024-11-14 05:16:44,014 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:16:44,220 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:16:44,261 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 79 transitions, 170 flow [2024-11-14 05:16:48,436 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 96500 states, 85854 states have (on average 4.3309572064202015) internal successors, (371830), 96499 states have internal predecessors, (371830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:48,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:16:48,487 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5905caa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:16:48,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-11-14 05:16:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 96500 states, 85854 states have (on average 4.3309572064202015) internal successors, (371830), 96499 states have internal predecessors, (371830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:16:48,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:48,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:16:48,698 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:48,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:48,705 INFO L85 PathProgramCache]: Analyzing trace with hash 22479624, now seen corresponding path program 1 times [2024-11-14 05:16:48,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:48,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710004167] [2024-11-14 05:16:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:48,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:49,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:49,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710004167] [2024-11-14 05:16:49,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710004167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:49,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:49,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:16:49,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517504071] [2024-11-14 05:16:49,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:49,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:16:49,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:49,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:16:49,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:49,276 INFO L87 Difference]: Start difference. First operand has 96500 states, 85854 states have (on average 4.3309572064202015) internal successors, (371830), 96499 states have internal predecessors, (371830), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:51,941 INFO L93 Difference]: Finished difference Result 99032 states and 388006 transitions. [2024-11-14 05:16:51,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:16:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-14 05:16:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:52,252 INFO L225 Difference]: With dead ends: 99032 [2024-11-14 05:16:52,252 INFO L226 Difference]: Without dead ends: 11766 [2024-11-14 05:16:52,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:52,443 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:52,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 15 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:16:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11766 states. [2024-11-14 05:16:53,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11766 to 11766. [2024-11-14 05:16:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11766 states, 11655 states have (on average 3.6163020163020163) internal successors, (42148), 11765 states have internal predecessors, (42148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 42148 transitions. [2024-11-14 05:16:53,425 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 42148 transitions. Word has length 4 [2024-11-14 05:16:53,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:53,426 INFO L471 AbstractCegarLoop]: Abstraction has 11766 states and 42148 transitions. [2024-11-14 05:16:53,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 42148 transitions. [2024-11-14 05:16:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:16:53,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:53,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:16:53,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:16:53,430 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:53,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:53,432 INFO L85 PathProgramCache]: Analyzing trace with hash 22479625, now seen corresponding path program 1 times [2024-11-14 05:16:53,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:53,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613565681] [2024-11-14 05:16:53,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:53,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:53,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:53,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613565681] [2024-11-14 05:16:53,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613565681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:53,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:53,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:16:53,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948687129] [2024-11-14 05:16:53,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:53,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:16:53,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:53,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:16:53,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:53,694 INFO L87 Difference]: Start difference. First operand 11766 states and 42148 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:54,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:54,293 INFO L93 Difference]: Finished difference Result 11766 states and 42148 transitions. [2024-11-14 05:16:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:16:54,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-14 05:16:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:54,410 INFO L225 Difference]: With dead ends: 11766 [2024-11-14 05:16:54,410 INFO L226 Difference]: Without dead ends: 5168 [2024-11-14 05:16:54,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:54,423 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:54,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2024-11-14 05:16:54,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 5168. [2024-11-14 05:16:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5164 states have (on average 3.4794732765298217) internal successors, (17968), 5167 states have internal predecessors, (17968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 17968 transitions. [2024-11-14 05:16:54,693 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 17968 transitions. Word has length 4 [2024-11-14 05:16:54,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:54,694 INFO L471 AbstractCegarLoop]: Abstraction has 5168 states and 17968 transitions. [2024-11-14 05:16:54,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 17968 transitions. [2024-11-14 05:16:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:16:54,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:54,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:54,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:16:54,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:54,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:54,703 INFO L85 PathProgramCache]: Analyzing trace with hash -354859787, now seen corresponding path program 1 times [2024-11-14 05:16:54,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:54,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504155837] [2024-11-14 05:16:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:54,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:54,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504155837] [2024-11-14 05:16:54,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504155837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:54,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:54,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:16:54,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725875336] [2024-11-14 05:16:54,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:54,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:16:54,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:54,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:16:54,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:54,993 INFO L87 Difference]: Start difference. First operand 5168 states and 17968 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:55,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:55,169 INFO L93 Difference]: Finished difference Result 5648 states and 19172 transitions. [2024-11-14 05:16:55,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:16:55,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2024-11-14 05:16:55,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:55,284 INFO L225 Difference]: With dead ends: 5648 [2024-11-14 05:16:55,285 INFO L226 Difference]: Without dead ends: 4976 [2024-11-14 05:16:55,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:55,290 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:55,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 31 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:55,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2024-11-14 05:16:55,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4976. [2024-11-14 05:16:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 4972 states have (on average 3.4706355591311344) internal successors, (17256), 4975 states have internal predecessors, (17256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 17256 transitions. [2024-11-14 05:16:55,576 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 17256 transitions. Word has length 11 [2024-11-14 05:16:55,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:55,577 INFO L471 AbstractCegarLoop]: Abstraction has 4976 states and 17256 transitions. [2024-11-14 05:16:55,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 17256 transitions. [2024-11-14 05:16:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 05:16:55,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:55,580 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:55,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:16:55,580 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:55,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:55,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2004459710, now seen corresponding path program 1 times [2024-11-14 05:16:55,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:55,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876331093] [2024-11-14 05:16:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:55,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:55,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876331093] [2024-11-14 05:16:55,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876331093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:55,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:55,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:16:55,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537610641] [2024-11-14 05:16:55,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:55,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:16:55,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:16:55,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:16:55,833 INFO L87 Difference]: Start difference. First operand 4976 states and 17256 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:56,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:56,014 INFO L93 Difference]: Finished difference Result 4976 states and 17256 transitions. [2024-11-14 05:16:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:16:56,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2024-11-14 05:16:56,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:56,308 INFO L225 Difference]: With dead ends: 4976 [2024-11-14 05:16:56,308 INFO L226 Difference]: Without dead ends: 4736 [2024-11-14 05:16:56,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:16:56,311 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:56,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 51 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:56,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2024-11-14 05:16:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4736. [2024-11-14 05:16:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4736 states, 4733 states have (on average 3.467990703570674) internal successors, (16414), 4735 states have internal predecessors, (16414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4736 states to 4736 states and 16414 transitions. [2024-11-14 05:16:56,505 INFO L78 Accepts]: Start accepts. Automaton has 4736 states and 16414 transitions. Word has length 13 [2024-11-14 05:16:56,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:56,507 INFO L471 AbstractCegarLoop]: Abstraction has 4736 states and 16414 transitions. [2024-11-14 05:16:56,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 4736 states and 16414 transitions. [2024-11-14 05:16:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 05:16:56,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:56,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:56,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:16:56,510 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:56,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:56,510 INFO L85 PathProgramCache]: Analyzing trace with hash -2004459709, now seen corresponding path program 1 times [2024-11-14 05:16:56,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:56,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392999603] [2024-11-14 05:16:56,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:56,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:56,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392999603] [2024-11-14 05:16:56,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392999603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:56,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:56,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:16:56,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580672032] [2024-11-14 05:16:56,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:56,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:16:56,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:57,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:16:57,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:16:57,000 INFO L87 Difference]: Start difference. First operand 4736 states and 16414 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:57,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:57,168 INFO L93 Difference]: Finished difference Result 4736 states and 16414 transitions. [2024-11-14 05:16:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:16:57,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2024-11-14 05:16:57,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:57,236 INFO L225 Difference]: With dead ends: 4736 [2024-11-14 05:16:57,236 INFO L226 Difference]: Without dead ends: 4496 [2024-11-14 05:16:57,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:16:57,240 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 57 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:57,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 41 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4496 states. [2024-11-14 05:16:57,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4496 to 4496. [2024-11-14 05:16:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 4494 states have (on average 3.4650645304850913) internal successors, (15572), 4495 states have internal predecessors, (15572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 15572 transitions. [2024-11-14 05:16:57,428 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 15572 transitions. Word has length 13 [2024-11-14 05:16:57,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:57,428 INFO L471 AbstractCegarLoop]: Abstraction has 4496 states and 15572 transitions. [2024-11-14 05:16:57,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:57,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 15572 transitions. [2024-11-14 05:16:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:16:57,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:57,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:57,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:16:57,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:57,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:57,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1552881155, now seen corresponding path program 1 times [2024-11-14 05:16:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:57,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092317124] [2024-11-14 05:16:57,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:57,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:57,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:57,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092317124] [2024-11-14 05:16:57,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092317124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:57,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:57,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:16:57,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286591918] [2024-11-14 05:16:57,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:57,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:16:57,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:57,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:16:57,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:57,516 INFO L87 Difference]: Start difference. First operand 4496 states and 15572 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:57,605 INFO L93 Difference]: Finished difference Result 4496 states and 15572 transitions. [2024-11-14 05:16:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:16:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) Word has length 15 [2024-11-14 05:16:57,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:57,673 INFO L225 Difference]: With dead ends: 4496 [2024-11-14 05:16:57,673 INFO L226 Difference]: Without dead ends: 3488 [2024-11-14 05:16:57,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:16:57,678 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:57,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 15 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:16:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states. [2024-11-14 05:16:57,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 3488. [2024-11-14 05:16:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3488 states, 3487 states have (on average 3.4350444508173217) internal successors, (11978), 3487 states have internal predecessors, (11978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 3488 states and 11978 transitions. [2024-11-14 05:16:57,899 INFO L78 Accepts]: Start accepts. Automaton has 3488 states and 11978 transitions. Word has length 15 [2024-11-14 05:16:57,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:57,900 INFO L471 AbstractCegarLoop]: Abstraction has 3488 states and 11978 transitions. [2024-11-14 05:16:57,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3488 states and 11978 transitions. [2024-11-14 05:16:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:16:57,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:57,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:57,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:16:57,904 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:57,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1552882341, now seen corresponding path program 1 times [2024-11-14 05:16:57,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:57,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864143526] [2024-11-14 05:16:57,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:57,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:58,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:58,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864143526] [2024-11-14 05:16:58,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864143526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:58,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:58,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:16:58,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096670021] [2024-11-14 05:16:58,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:58,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:16:58,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:58,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:16:58,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:16:58,161 INFO L87 Difference]: Start difference. First operand 3488 states and 11978 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:58,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:58,514 INFO L93 Difference]: Finished difference Result 4538 states and 15433 transitions. [2024-11-14 05:16:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:16:58,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 15 [2024-11-14 05:16:58,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:58,575 INFO L225 Difference]: With dead ends: 4538 [2024-11-14 05:16:58,575 INFO L226 Difference]: Without dead ends: 2858 [2024-11-14 05:16:58,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:16:58,580 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 75 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:58,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 102 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:16:58,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2858 states. [2024-11-14 05:16:58,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2858 to 2858. [2024-11-14 05:16:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2858 states, 2857 states have (on average 3.3787189359467975) internal successors, (9653), 2857 states have internal predecessors, (9653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:58,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 9653 transitions. [2024-11-14 05:16:58,702 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 9653 transitions. Word has length 15 [2024-11-14 05:16:58,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:58,703 INFO L471 AbstractCegarLoop]: Abstraction has 2858 states and 9653 transitions. [2024-11-14 05:16:58,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 9653 transitions. [2024-11-14 05:16:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 05:16:58,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:58,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:58,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:16:58,706 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:58,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1514501302, now seen corresponding path program 1 times [2024-11-14 05:16:58,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:58,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098638129] [2024-11-14 05:16:58,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:58,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:59,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:16:59,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098638129] [2024-11-14 05:16:59,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098638129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:59,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:59,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:16:59,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135744379] [2024-11-14 05:16:59,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:59,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:16:59,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:16:59,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:16:59,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:16:59,054 INFO L87 Difference]: Start difference. First operand 2858 states and 9653 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:59,393 INFO L93 Difference]: Finished difference Result 3608 states and 12078 transitions. [2024-11-14 05:16:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:16:59,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) Word has length 18 [2024-11-14 05:16:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:59,457 INFO L225 Difference]: With dead ends: 3608 [2024-11-14 05:16:59,457 INFO L226 Difference]: Without dead ends: 2558 [2024-11-14 05:16:59,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:16:59,462 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 61 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:16:59,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:16:59,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2024-11-14 05:16:59,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2558. [2024-11-14 05:16:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2557 states have (on average 3.348846304262808) internal successors, (8563), 2557 states have internal predecessors, (8563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 8563 transitions. [2024-11-14 05:16:59,583 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 8563 transitions. Word has length 18 [2024-11-14 05:16:59,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:59,583 INFO L471 AbstractCegarLoop]: Abstraction has 2558 states and 8563 transitions. [2024-11-14 05:16:59,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 8563 transitions. [2024-11-14 05:16:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 05:16:59,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:59,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:16:59,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:16:59,590 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:16:59,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:59,590 INFO L85 PathProgramCache]: Analyzing trace with hash -659115939, now seen corresponding path program 1 times [2024-11-14 05:16:59,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:16:59,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314764176] [2024-11-14 05:16:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:16:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:00,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:17:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314764176] [2024-11-14 05:17:00,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314764176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:00,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:00,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:17:00,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77396298] [2024-11-14 05:17:00,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:00,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:17:00,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:17:00,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:17:00,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:17:00,870 INFO L87 Difference]: Start difference. First operand 2558 states and 8563 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:01,390 INFO L93 Difference]: Finished difference Result 3058 states and 10138 transitions. [2024-11-14 05:17:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:17:01,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-14 05:17:01,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:01,450 INFO L225 Difference]: With dead ends: 3058 [2024-11-14 05:17:01,450 INFO L226 Difference]: Without dead ends: 2308 [2024-11-14 05:17:01,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:17:01,453 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 76 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:01,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 161 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:17:01,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2024-11-14 05:17:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 2308. [2024-11-14 05:17:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 2307 states have (on average 3.321629822280017) internal successors, (7663), 2307 states have internal predecessors, (7663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 7663 transitions. [2024-11-14 05:17:01,556 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 7663 transitions. Word has length 20 [2024-11-14 05:17:01,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:01,556 INFO L471 AbstractCegarLoop]: Abstraction has 2308 states and 7663 transitions. [2024-11-14 05:17:01,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 7663 transitions. [2024-11-14 05:17:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 05:17:01,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:01,562 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:01,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:17:01,562 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:01,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:01,563 INFO L85 PathProgramCache]: Analyzing trace with hash 980213632, now seen corresponding path program 1 times [2024-11-14 05:17:01,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:17:01,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719120469] [2024-11-14 05:17:01,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:01,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:17:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:01,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:17:01,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719120469] [2024-11-14 05:17:01,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719120469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:01,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:01,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:17:01,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932784244] [2024-11-14 05:17:01,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:01,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:17:01,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:17:01,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:17:01,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:17:01,809 INFO L87 Difference]: Start difference. First operand 2308 states and 7663 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:01,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:01,978 INFO L93 Difference]: Finished difference Result 3366 states and 10916 transitions. [2024-11-14 05:17:01,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:17:01,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2024-11-14 05:17:01,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:02,035 INFO L225 Difference]: With dead ends: 3366 [2024-11-14 05:17:02,035 INFO L226 Difference]: Without dead ends: 1858 [2024-11-14 05:17:02,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:17:02,039 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 53 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:02,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 33 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:17:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2024-11-14 05:17:02,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1858. [2024-11-14 05:17:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1857 states have (on average 3.1572428648357564) internal successors, (5863), 1857 states have internal predecessors, (5863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 5863 transitions. [2024-11-14 05:17:02,126 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 5863 transitions. Word has length 22 [2024-11-14 05:17:02,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:02,126 INFO L471 AbstractCegarLoop]: Abstraction has 1858 states and 5863 transitions. [2024-11-14 05:17:02,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 5863 transitions. [2024-11-14 05:17:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 05:17:02,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:02,131 INFO L215 NwaCegarLoop]: 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] [2024-11-14 05:17:02,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:17:02,131 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:02,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1924875329, now seen corresponding path program 1 times [2024-11-14 05:17:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:17:02,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381301217] [2024-11-14 05:17:02,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:02,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:17:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:02,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:17:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381301217] [2024-11-14 05:17:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381301217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:02,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:02,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:17:02,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855556911] [2024-11-14 05:17:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:02,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:17:02,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:17:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:17:02,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:17:02,377 INFO L87 Difference]: Start difference. First operand 1858 states and 5863 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:02,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:02,591 INFO L93 Difference]: Finished difference Result 2262 states and 6975 transitions. [2024-11-14 05:17:02,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:17:02,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) Word has length 24 [2024-11-14 05:17:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:02,643 INFO L225 Difference]: With dead ends: 2262 [2024-11-14 05:17:02,643 INFO L226 Difference]: Without dead ends: 1204 [2024-11-14 05:17:02,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:17:02,646 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 93 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:02,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 43 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:17:02,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-14 05:17:02,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1204. [2024-11-14 05:17:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1203 states have (on average 2.9709060681629262) internal successors, (3574), 1203 states have internal predecessors, (3574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 3574 transitions. [2024-11-14 05:17:02,718 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 3574 transitions. Word has length 24 [2024-11-14 05:17:02,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:02,718 INFO L471 AbstractCegarLoop]: Abstraction has 1204 states and 3574 transitions. [2024-11-14 05:17:02,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 3574 transitions. [2024-11-14 05:17:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 05:17:02,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:02,722 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:02,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:17:02,722 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:02,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1187398550, now seen corresponding path program 1 times [2024-11-14 05:17:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:17:02,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471691563] [2024-11-14 05:17:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:02,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:17:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:02,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:17:02,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471691563] [2024-11-14 05:17:02,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471691563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:02,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:02,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:17:02,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638271799] [2024-11-14 05:17:02,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:02,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:17:02,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:17:02,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:17:02,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:17:02,999 INFO L87 Difference]: Start difference. First operand 1204 states and 3574 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:03,209 INFO L93 Difference]: Finished difference Result 1268 states and 3726 transitions. [2024-11-14 05:17:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:17:03,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) Word has length 27 [2024-11-14 05:17:03,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:03,260 INFO L225 Difference]: With dead ends: 1268 [2024-11-14 05:17:03,261 INFO L226 Difference]: Without dead ends: 864 [2024-11-14 05:17:03,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:17:03,262 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 133 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:03,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 30 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:17:03,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-14 05:17:03,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2024-11-14 05:17:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 863 states have (on average 2.959443800695249) internal successors, (2554), 863 states have internal predecessors, (2554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2554 transitions. [2024-11-14 05:17:03,313 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2554 transitions. Word has length 27 [2024-11-14 05:17:03,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:03,313 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 2554 transitions. [2024-11-14 05:17:03,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2554 transitions. [2024-11-14 05:17:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:17:03,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:03,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:03,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:17:03,316 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:03,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash 641437834, now seen corresponding path program 1 times [2024-11-14 05:17:03,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:17:03,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799476683] [2024-11-14 05:17:03,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:17:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:04,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:04,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:17:04,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799476683] [2024-11-14 05:17:04,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799476683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:04,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:04,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 05:17:04,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749938676] [2024-11-14 05:17:04,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:04,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:17:04,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:17:04,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:17:04,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:17:04,778 INFO L87 Difference]: Start difference. First operand 864 states and 2554 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:05,274 INFO L93 Difference]: Finished difference Result 1664 states and 4834 transitions. [2024-11-14 05:17:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:17:05,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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) Word has length 30 [2024-11-14 05:17:05,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:05,337 INFO L225 Difference]: With dead ends: 1664 [2024-11-14 05:17:05,337 INFO L226 Difference]: Without dead ends: 1040 [2024-11-14 05:17:05,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:17:05,340 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 71 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:05,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 149 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:17:05,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-14 05:17:05,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 864. [2024-11-14 05:17:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 863 states have (on average 2.894553881807648) internal successors, (2498), 863 states have internal predecessors, (2498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2498 transitions. [2024-11-14 05:17:05,444 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2498 transitions. Word has length 30 [2024-11-14 05:17:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:05,445 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 2498 transitions. [2024-11-14 05:17:05,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2498 transitions. [2024-11-14 05:17:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:17:05,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:05,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:05,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:17:05,449 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:05,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:05,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1210332428, now seen corresponding path program 2 times [2024-11-14 05:17:05,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:17:05,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857629952] [2024-11-14 05:17:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:17:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:17:05,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:17:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:17:05,766 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:17:05,767 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:17:05,768 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (70 of 71 remaining) [2024-11-14 05:17:05,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 71 remaining) [2024-11-14 05:17:05,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 71 remaining) [2024-11-14 05:17:05,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 71 remaining) [2024-11-14 05:17:05,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 71 remaining) [2024-11-14 05:17:05,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 71 remaining) [2024-11-14 05:17:05,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 71 remaining) [2024-11-14 05:17:05,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 71 remaining) [2024-11-14 05:17:05,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 71 remaining) [2024-11-14 05:17:05,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 71 remaining) [2024-11-14 05:17:05,773 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 71 remaining) [2024-11-14 05:17:05,774 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (33 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 71 remaining) [2024-11-14 05:17:05,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 71 remaining) [2024-11-14 05:17:05,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 71 remaining) [2024-11-14 05:17:05,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 71 remaining) [2024-11-14 05:17:05,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 71 remaining) [2024-11-14 05:17:05,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 71 remaining) [2024-11-14 05:17:05,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 71 remaining) [2024-11-14 05:17:05,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 71 remaining) [2024-11-14 05:17:05,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 71 remaining) [2024-11-14 05:17:05,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 71 remaining) [2024-11-14 05:17:05,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 71 remaining) [2024-11-14 05:17:05,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:17:05,786 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:05,934 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:17:05,935 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:17:05,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:17:05 BasicIcfg [2024-11-14 05:17:05,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:17:05,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:17:05,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:17:05,941 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:17:05,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:43" (3/4) ... [2024-11-14 05:17:05,946 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:17:05,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:17:05,948 INFO L158 Benchmark]: Toolchain (without parser) took 24407.25ms. Allocated memory was 142.6MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 117.7MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-14 05:17:05,949 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:05,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.27ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 93.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:17:05,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.74ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 91.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:05,952 INFO L158 Benchmark]: Boogie Preprocessor took 44.13ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:05,952 INFO L158 Benchmark]: RCFGBuilder took 1719.19ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 67.2MB in the end (delta: 22.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-11-14 05:17:05,953 INFO L158 Benchmark]: TraceAbstraction took 21961.84ms. Allocated memory was 142.6MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 67.2MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-14 05:17:05,953 INFO L158 Benchmark]: Witness Printer took 6.91ms. Allocated memory is still 7.3GB. Free memory was 5.8GB in the beginning and 5.8GB in the end (delta: 57.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:05,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.27ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 93.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.74ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 91.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.13ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1719.19ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 67.2MB in the end (delta: 22.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21961.84ms. Allocated memory was 142.6MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 67.2MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 6.91ms. Allocated memory is still 7.3GB. Free memory was 5.8GB in the beginning and 5.8GB in the end (delta: 57.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p1_EAX = 0; [L734] 0 int __unbuffered_p1_EBX = 0; [L735] 0 _Bool main$tmp_guard0; [L736] 0 _Bool main$tmp_guard1; [L738] 0 int x = 0; [L739] 0 _Bool x$flush_delayed; [L740] 0 int x$mem_tmp; [L741] 0 _Bool x$r_buff0_thd0; [L742] 0 _Bool x$r_buff0_thd1; [L743] 0 _Bool x$r_buff0_thd2; [L744] 0 _Bool x$r_buff0_thd3; [L745] 0 _Bool x$r_buff1_thd0; [L746] 0 _Bool x$r_buff1_thd1; [L747] 0 _Bool x$r_buff1_thd2; [L748] 0 _Bool x$r_buff1_thd3; [L749] 0 _Bool x$read_delayed; [L750] 0 int *x$read_delayed_var; [L751] 0 int x$w_buff0; [L752] 0 _Bool x$w_buff0_used; [L753] 0 int x$w_buff1; [L754] 0 _Bool x$w_buff1_used; [L756] 0 int y = 0; [L757] 0 _Bool weak$$choice0; [L758] 0 _Bool weak$$choice1; [L759] 0 _Bool weak$$choice2; [L849] 0 pthread_t t1749; [L850] FCALL, FORK 0 pthread_create(&t1749, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1749=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L851] 0 pthread_t t1750; [L852] FCALL, FORK 0 pthread_create(&t1750, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1749=-1, t1750=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L853] 0 pthread_t t1751; [L763] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 1 x$flush_delayed = weak$$choice2 [L766] EXPR 1 \read(x) [L766] 1 x$mem_tmp = x [L767] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L767] EXPR 1 \read(x) [L767] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L767] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L768] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L769] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L770] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L771] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L773] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L774] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L775] 1 __unbuffered_p0_EAX$read_delayed_var = &x [L776] EXPR 1 \read(x) [L776] 1 __unbuffered_p0_EAX = x [L777] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L777] 1 x = x$flush_delayed ? x$mem_tmp : x [L778] 1 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L781] 1 __unbuffered_p0_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L786] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L854] FCALL, FORK 0 pthread_create(&t1751, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L793] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L796] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L799] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 2 x$flush_delayed = weak$$choice2 [L802] EXPR 2 \read(x) [L802] 2 x$mem_tmp = x [L803] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L803] EXPR 2 \read(x) [L803] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L803] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L804] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L805] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L806] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L807] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L808] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L809] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 2 \read(x) [L810] 2 __unbuffered_p1_EBX = x [L811] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L811] 2 x = x$flush_delayed ? x$mem_tmp : x [L812] 2 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L824] 3 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L827] EXPR 3 \read(x) [L827] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L817] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L858] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L858] RET 0 assume_abort_if_not(main$tmp_guard0) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 \read(x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=1, weak$$choice1=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L867] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L868] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L868] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L868] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L868] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L868] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L868] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L869] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=1, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L871] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L18] 0 __assert_fail ("0", "rfi009_rmo.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] - 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: -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: -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: -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: -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: 847]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 852]: 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: 854]: 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: 850]: 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 7 procedures, 132 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 769 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 769 mSDsluCounter, 780 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 504 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1055 IncrementalHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 276 mSDtfsCounter, 1055 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96500occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 176 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 1438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:17:06,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:17:08,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:17:08,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-14 05:17:08,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:17:08,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:17:09,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:17:09,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:17:09,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:17:09,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:17:09,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:17:09,040 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:17:09,041 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:17:09,041 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:17:09,041 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:17:09,041 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:17:09,043 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:17:09,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 05:17:09,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 05:17:09,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:17:09,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:17:09,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:17:09,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:17:09,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:17:09,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:17:09,047 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:17:09,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:17:09,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:17:09,048 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:17:09,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067 [2024-11-14 05:17:09,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:17:09,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:17:09,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:17:09,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:17:09,377 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:17:09,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i Unable to find full path for "g++" [2024-11-14 05:17:11,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:17:11,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:17:11,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i [2024-11-14 05:17:11,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data/5b02c7be9/00adf3d6bba341a5b6355150b092c7a2/FLAG5ce36c3f5 [2024-11-14 05:17:11,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/data/5b02c7be9/00adf3d6bba341a5b6355150b092c7a2 [2024-11-14 05:17:11,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:17:11,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:17:11,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:17:11,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:17:11,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:17:11,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:17:11" (1/1) ... [2024-11-14 05:17:11,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572dafd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:11, skipping insertion in model container [2024-11-14 05:17:11,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:17:11" (1/1) ... [2024-11-14 05:17:12,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:17:12,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:17:12,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:17:12,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:17:12,749 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:17:12,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12 WrapperNode [2024-11-14 05:17:12,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:17:12,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:17:12,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:17:12,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:17:12,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,831 INFO L138 Inliner]: procedures = 179, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-14 05:17:12,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:17:12,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:17:12,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:17:12,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:17:12,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:17:12,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:17:12,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:17:12,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:17:12,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (1/1) ... [2024-11-14 05:17:12,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:17:12,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:17:12,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:17:12,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:17:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 05:17:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:17:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:17:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 05:17:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:17:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 05:17:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 05:17:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 05:17:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 05:17:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 05:17:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 05:17:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 05:17:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:17:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:17:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:17:12,996 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:17:13,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:17:13,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:17:14,013 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:17:14,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:17:14,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:17:14,771 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:17:14,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:17:14 BoogieIcfgContainer [2024-11-14 05:17:14,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:17:14,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:17:14,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:17:14,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:17:14,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:17:11" (1/3) ... [2024-11-14 05:17:14,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a684e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:17:14, skipping insertion in model container [2024-11-14 05:17:14,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:17:12" (2/3) ... [2024-11-14 05:17:14,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a684e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:17:14, skipping insertion in model container [2024-11-14 05:17:14,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:17:14" (3/3) ... [2024-11-14 05:17:14,783 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_rmo.oepc.i [2024-11-14 05:17:14,801 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:17:14,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi009_rmo.oepc.i that has 4 procedures, 78 locations, 1 initial locations, 0 loop locations, and 38 error locations. [2024-11-14 05:17:14,804 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:17:15,026 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:17:15,068 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 79 transitions, 170 flow [2024-11-14 05:17:19,143 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 96500 states, 85854 states have (on average 4.3309572064202015) internal successors, (371830), 96499 states have internal predecessors, (371830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:19,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:17:19,209 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f4d7828, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:17:19,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-11-14 05:17:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 96500 states, 85854 states have (on average 4.3309572064202015) internal successors, (371830), 96499 states have internal predecessors, (371830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:17:19,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:19,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:17:19,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:19,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash 22541192, now seen corresponding path program 1 times [2024-11-14 05:17:19,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:19,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165581875] [2024-11-14 05:17:19,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:19,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:19,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:19,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:19,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:17:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:19,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:17:19,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:19,698 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:19,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:19,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165581875] [2024-11-14 05:17:19,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165581875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:19,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:19,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:17:19,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509076358] [2024-11-14 05:17:19,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:19,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:17:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:17:19,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:17:19,867 INFO L87 Difference]: Start difference. First operand has 96500 states, 85854 states have (on average 4.3309572064202015) internal successors, (371830), 96499 states have internal predecessors, (371830), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:22,346 INFO L93 Difference]: Finished difference Result 99032 states and 388006 transitions. [2024-11-14 05:17:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:17:22,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-14 05:17:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:22,778 INFO L225 Difference]: With dead ends: 99032 [2024-11-14 05:17:22,779 INFO L226 Difference]: Without dead ends: 11766 [2024-11-14 05:17:23,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:17:23,269 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:23,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 15 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:17:23,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11766 states. [2024-11-14 05:17:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11766 to 11766. [2024-11-14 05:17:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11766 states, 11655 states have (on average 3.6163020163020163) internal successors, (42148), 11765 states have internal predecessors, (42148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 42148 transitions. [2024-11-14 05:17:24,408 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 42148 transitions. Word has length 4 [2024-11-14 05:17:24,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:24,409 INFO L471 AbstractCegarLoop]: Abstraction has 11766 states and 42148 transitions. [2024-11-14 05:17:24,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 42148 transitions. [2024-11-14 05:17:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:17:24,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:24,412 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:17:24,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:17:24,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:24,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:24,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:24,616 INFO L85 PathProgramCache]: Analyzing trace with hash 22541193, now seen corresponding path program 1 times [2024-11-14 05:17:24,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:24,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264070292] [2024-11-14 05:17:24,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:24,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:24,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:24,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:24,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:17:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:24,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:17:24,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:24,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:24,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:24,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264070292] [2024-11-14 05:17:24,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264070292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:24,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:24,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:17:24,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999067063] [2024-11-14 05:17:24,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:24,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:17:24,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:24,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:17:24,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:17:24,839 INFO L87 Difference]: Start difference. First operand 11766 states and 42148 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:25,154 INFO L93 Difference]: Finished difference Result 11766 states and 42148 transitions. [2024-11-14 05:17:25,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:17:25,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2024-11-14 05:17:25,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:25,252 INFO L225 Difference]: With dead ends: 11766 [2024-11-14 05:17:25,252 INFO L226 Difference]: Without dead ends: 5168 [2024-11-14 05:17:25,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:17:25,269 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 36 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:25,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:17:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2024-11-14 05:17:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 5168. [2024-11-14 05:17:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 5164 states have (on average 3.4794732765298217) internal successors, (17968), 5167 states have internal predecessors, (17968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 17968 transitions. [2024-11-14 05:17:25,675 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 17968 transitions. Word has length 4 [2024-11-14 05:17:25,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:25,675 INFO L471 AbstractCegarLoop]: Abstraction has 5168 states and 17968 transitions. [2024-11-14 05:17:25,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:25,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 17968 transitions. [2024-11-14 05:17:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:17:25,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:25,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:25,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:17:25,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:25,883 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:25,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:25,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1658063799, now seen corresponding path program 1 times [2024-11-14 05:17:25,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:25,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426797330] [2024-11-14 05:17:25,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:25,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:25,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:25,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:25,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:17:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:26,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:17:26,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:26,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:26,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:26,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426797330] [2024-11-14 05:17:26,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426797330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:26,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:26,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:17:26,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902502280] [2024-11-14 05:17:26,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:26,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:17:26,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:26,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:17:26,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:17:26,107 INFO L87 Difference]: Start difference. First operand 5168 states and 17968 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:26,373 INFO L93 Difference]: Finished difference Result 7976 states and 27086 transitions. [2024-11-14 05:17:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:17:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2024-11-14 05:17:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:26,443 INFO L225 Difference]: With dead ends: 7976 [2024-11-14 05:17:26,443 INFO L226 Difference]: Without dead ends: 3608 [2024-11-14 05:17:26,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:17:26,453 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 57 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:26,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 39 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:17:26,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2024-11-14 05:17:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3608. [2024-11-14 05:17:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3608 states, 3604 states have (on average 3.2541620421753605) internal successors, (11728), 3607 states have internal predecessors, (11728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3608 states and 11728 transitions. [2024-11-14 05:17:26,609 INFO L78 Accepts]: Start accepts. Automaton has 3608 states and 11728 transitions. Word has length 11 [2024-11-14 05:17:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:26,610 INFO L471 AbstractCegarLoop]: Abstraction has 3608 states and 11728 transitions. [2024-11-14 05:17:26,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3608 states and 11728 transitions. [2024-11-14 05:17:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 05:17:26,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:26,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:26,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:17:26,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:26,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:26,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash 543742101, now seen corresponding path program 1 times [2024-11-14 05:17:26,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:26,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90345172] [2024-11-14 05:17:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:26,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:26,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:26,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:26,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:17:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:26,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:17:26,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:27,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:27,043 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:27,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90345172] [2024-11-14 05:17:27,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90345172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:27,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:27,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:17:27,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786641005] [2024-11-14 05:17:27,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:27,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:17:27,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:27,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:17:27,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:17:27,045 INFO L87 Difference]: Start difference. First operand 3608 states and 11728 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:27,445 INFO L93 Difference]: Finished difference Result 4492 states and 14260 transitions. [2024-11-14 05:17:27,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:17:27,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 15 [2024-11-14 05:17:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:27,496 INFO L225 Difference]: With dead ends: 4492 [2024-11-14 05:17:27,496 INFO L226 Difference]: Without dead ends: 1684 [2024-11-14 05:17:27,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:17:27,502 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 95 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:27,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 59 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:17:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2024-11-14 05:17:27,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1684. [2024-11-14 05:17:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1680 states have (on average 2.9726190476190477) internal successors, (4994), 1683 states have internal predecessors, (4994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 4994 transitions. [2024-11-14 05:17:27,593 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 4994 transitions. Word has length 15 [2024-11-14 05:17:27,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:27,594 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 4994 transitions. [2024-11-14 05:17:27,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 4994 transitions. [2024-11-14 05:17:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 05:17:27,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:27,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:27,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:17:27,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:27,798 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:27,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash 56314453, now seen corresponding path program 1 times [2024-11-14 05:17:27,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:27,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40019797] [2024-11-14 05:17:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:27,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:27,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:17:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:27,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:17:27,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:28,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:28,062 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:28,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40019797] [2024-11-14 05:17:28,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40019797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:28,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:28,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:17:28,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443689220] [2024-11-14 05:17:28,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:28,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:17:28,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:28,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:17:28,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:17:28,065 INFO L87 Difference]: Start difference. First operand 1684 states and 4994 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:28,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:28,389 INFO L93 Difference]: Finished difference Result 1788 states and 5246 transitions. [2024-11-14 05:17:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:17:28,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-14 05:17:28,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:28,436 INFO L225 Difference]: With dead ends: 1788 [2024-11-14 05:17:28,437 INFO L226 Difference]: Without dead ends: 904 [2024-11-14 05:17:28,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:17:28,439 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 113 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:28,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 92 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 05:17:28,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-14 05:17:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2024-11-14 05:17:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 900 states have (on average 2.948888888888889) internal successors, (2654), 903 states have internal predecessors, (2654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 2654 transitions. [2024-11-14 05:17:28,505 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 2654 transitions. Word has length 20 [2024-11-14 05:17:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:28,505 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 2654 transitions. [2024-11-14 05:17:28,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 2654 transitions. [2024-11-14 05:17:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 05:17:28,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:28,508 INFO L215 NwaCegarLoop]: 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] [2024-11-14 05:17:28,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:17:28,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:28,708 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:28,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:28,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1099308088, now seen corresponding path program 1 times [2024-11-14 05:17:28,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:28,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450402575] [2024-11-14 05:17:28,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:28,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:28,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:28,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:28,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:17:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:28,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:17:28,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:29,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:29,121 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:29,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450402575] [2024-11-14 05:17:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450402575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:29,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:29,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:17:29,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47324374] [2024-11-14 05:17:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:29,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:17:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:29,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:17:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:17:29,123 INFO L87 Difference]: Start difference. First operand 904 states and 2654 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:29,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:29,251 INFO L93 Difference]: Finished difference Result 904 states and 2654 transitions. [2024-11-14 05:17:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:17:29,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-14 05:17:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:29,297 INFO L225 Difference]: With dead ends: 904 [2024-11-14 05:17:29,298 INFO L226 Difference]: Without dead ends: 896 [2024-11-14 05:17:29,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:17:29,299 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 46 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:29,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 30 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:17:29,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2024-11-14 05:17:29,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2024-11-14 05:17:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 893 states have (on average 2.9496080627099666) internal successors, (2634), 895 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 2634 transitions. [2024-11-14 05:17:29,365 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 2634 transitions. Word has length 26 [2024-11-14 05:17:29,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:29,366 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 2634 transitions. [2024-11-14 05:17:29,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 2634 transitions. [2024-11-14 05:17:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 05:17:29,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:29,369 INFO L215 NwaCegarLoop]: 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] [2024-11-14 05:17:29,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-14 05:17:29,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:29,573 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:29,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:29,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1099308089, now seen corresponding path program 1 times [2024-11-14 05:17:29,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:29,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452337988] [2024-11-14 05:17:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:29,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:29,578 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:29,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 05:17:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:29,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:17:29,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:30,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:30,137 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:30,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452337988] [2024-11-14 05:17:30,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452337988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:30,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:30,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:17:30,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898885127] [2024-11-14 05:17:30,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:30,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:17:30,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:30,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:17:30,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:17:30,138 INFO L87 Difference]: Start difference. First operand 896 states and 2634 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:30,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:30,268 INFO L93 Difference]: Finished difference Result 896 states and 2634 transitions. [2024-11-14 05:17:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:17:30,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-11-14 05:17:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:30,314 INFO L225 Difference]: With dead ends: 896 [2024-11-14 05:17:30,315 INFO L226 Difference]: Without dead ends: 888 [2024-11-14 05:17:30,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:17:30,316 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 44 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:30,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 31 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:17:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-14 05:17:30,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 888. [2024-11-14 05:17:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 886 states have (on average 2.950338600451467) internal successors, (2614), 887 states have internal predecessors, (2614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 2614 transitions. [2024-11-14 05:17:30,381 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 2614 transitions. Word has length 26 [2024-11-14 05:17:30,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:30,382 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 2614 transitions. [2024-11-14 05:17:30,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 2614 transitions. [2024-11-14 05:17:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:17:30,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:30,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:30,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 05:17:30,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:30,588 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:30,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:30,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1651812288, now seen corresponding path program 1 times [2024-11-14 05:17:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:30,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032789622] [2024-11-14 05:17:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:30,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:30,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:30,595 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:30,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 05:17:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:30,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:17:30,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:30,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:30,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032789622] [2024-11-14 05:17:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032789622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:30,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:30,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 05:17:30,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938555231] [2024-11-14 05:17:30,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:30,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:17:30,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:30,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:17:30,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:17:30,859 INFO L87 Difference]: Start difference. First operand 888 states and 2614 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:30,923 INFO L93 Difference]: Finished difference Result 888 states and 2614 transitions. [2024-11-14 05:17:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:17:30,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) Word has length 30 [2024-11-14 05:17:30,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:30,972 INFO L225 Difference]: With dead ends: 888 [2024-11-14 05:17:30,972 INFO L226 Difference]: Without dead ends: 864 [2024-11-14 05:17:30,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:17:30,973 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:30,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:17:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-14 05:17:30,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2024-11-14 05:17:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 863 states have (on average 2.959443800695249) internal successors, (2554), 863 states have internal predecessors, (2554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2554 transitions. [2024-11-14 05:17:31,038 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2554 transitions. Word has length 30 [2024-11-14 05:17:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:31,038 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 2554 transitions. [2024-11-14 05:17:31,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2554 transitions. [2024-11-14 05:17:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:17:31,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:31,042 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:31,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 05:17:31,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:31,243 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:31,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:31,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1651813474, now seen corresponding path program 1 times [2024-11-14 05:17:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:31,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287568688] [2024-11-14 05:17:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:17:31,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:31,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:31,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:31,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 05:17:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:17:31,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:17:31,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:17:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:17:31,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:17:31,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:17:31,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287568688] [2024-11-14 05:17:31,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287568688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:17:31,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:17:31,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:17:31,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130259394] [2024-11-14 05:17:31,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:17:31,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:17:31,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:17:31,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:17:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:17:31,527 INFO L87 Difference]: Start difference. First operand 864 states and 2554 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:17:31,811 INFO L93 Difference]: Finished difference Result 1264 states and 3678 transitions. [2024-11-14 05:17:31,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:17:31,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) Word has length 30 [2024-11-14 05:17:31,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:17:31,857 INFO L225 Difference]: With dead ends: 1264 [2024-11-14 05:17:31,857 INFO L226 Difference]: Without dead ends: 612 [2024-11-14 05:17:31,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:17:31,859 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 45 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:17:31,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 89 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:17:31,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-14 05:17:31,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2024-11-14 05:17:31,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 2.8248772504091653) internal successors, (1726), 611 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:31,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1726 transitions. [2024-11-14 05:17:31,916 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1726 transitions. Word has length 30 [2024-11-14 05:17:31,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:17:31,917 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 1726 transitions. [2024-11-14 05:17:31,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:17:31,917 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1726 transitions. [2024-11-14 05:17:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-14 05:17:31,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:17:31,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:31,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-14 05:17:32,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:32,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 68 more)] === [2024-11-14 05:17:32,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:17:32,123 INFO L85 PathProgramCache]: Analyzing trace with hash 793752670, now seen corresponding path program 2 times [2024-11-14 05:17:32,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:17:32,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153275418] [2024-11-14 05:17:32,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:17:32,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:32,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:17:32,127 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:17:32,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-14 05:17:32,320 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 05:17:32,320 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-14 05:17:32,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:17:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:17:32,494 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:17:32,494 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:17:32,495 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (70 of 71 remaining) [2024-11-14 05:17:32,496 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 71 remaining) [2024-11-14 05:17:32,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 71 remaining) [2024-11-14 05:17:32,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 71 remaining) [2024-11-14 05:17:32,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 71 remaining) [2024-11-14 05:17:32,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 71 remaining) [2024-11-14 05:17:32,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 71 remaining) [2024-11-14 05:17:32,497 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 71 remaining) [2024-11-14 05:17:32,498 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 71 remaining) [2024-11-14 05:17:32,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 71 remaining) [2024-11-14 05:17:32,500 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (33 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2024-11-14 05:17:32,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 71 remaining) [2024-11-14 05:17:32,502 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 71 remaining) [2024-11-14 05:17:32,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 71 remaining) [2024-11-14 05:17:32,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 71 remaining) [2024-11-14 05:17:32,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 71 remaining) [2024-11-14 05:17:32,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-14 05:17:32,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:17:32,711 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:17:32,811 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:17:32,811 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:17:32,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:17:32 BasicIcfg [2024-11-14 05:17:32,814 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:17:32,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:17:32,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:17:32,815 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:17:32,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:17:14" (3/4) ... [2024-11-14 05:17:32,818 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:17:32,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:17:32,822 INFO L158 Benchmark]: Toolchain (without parser) took 20849.30ms. Allocated memory was 117.4MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 93.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 805.1MB. Max. memory is 16.1GB. [2024-11-14 05:17:32,822 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:32,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.52ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 69.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:17:32,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.95ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:32,824 INFO L158 Benchmark]: Boogie Preprocessor took 64.73ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:17:32,824 INFO L158 Benchmark]: RCFGBuilder took 1872.36ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 44.5MB in the end (delta: 20.5MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-14 05:17:32,825 INFO L158 Benchmark]: TraceAbstraction took 18041.45ms. Allocated memory was 117.4MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 44.5MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 745.3MB. Max. memory is 16.1GB. [2024-11-14 05:17:32,825 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 2.6GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:17:32,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.52ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 69.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.95ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.73ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1872.36ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 44.5MB in the end (delta: 20.5MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * TraceAbstraction took 18041.45ms. Allocated memory was 117.4MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 44.5MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 745.3MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 2.6GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p0_EBX = 0; [L732] 0 int __unbuffered_p1_EAX = 0; [L734] 0 int __unbuffered_p1_EBX = 0; [L735] 0 _Bool main$tmp_guard0; [L736] 0 _Bool main$tmp_guard1; [L738] 0 int x = 0; [L739] 0 _Bool x$flush_delayed; [L740] 0 int x$mem_tmp; [L741] 0 _Bool x$r_buff0_thd0; [L742] 0 _Bool x$r_buff0_thd1; [L743] 0 _Bool x$r_buff0_thd2; [L744] 0 _Bool x$r_buff0_thd3; [L745] 0 _Bool x$r_buff1_thd0; [L746] 0 _Bool x$r_buff1_thd1; [L747] 0 _Bool x$r_buff1_thd2; [L748] 0 _Bool x$r_buff1_thd3; [L749] 0 _Bool x$read_delayed; [L750] 0 int *x$read_delayed_var; [L751] 0 int x$w_buff0; [L752] 0 _Bool x$w_buff0_used; [L753] 0 int x$w_buff1; [L754] 0 _Bool x$w_buff1_used; [L756] 0 int y = 0; [L757] 0 _Bool weak$$choice0; [L758] 0 _Bool weak$$choice1; [L759] 0 _Bool weak$$choice2; [L849] 0 pthread_t t1749; [L850] FCALL, FORK 0 pthread_create(&t1749, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1749=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L851] 0 pthread_t t1750; [L852] FCALL, FORK 0 pthread_create(&t1750, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1749=-1, t1750=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L853] 0 pthread_t t1751; [L763] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L765] 1 x$flush_delayed = weak$$choice2 [L766] EXPR 1 \read(x) [L766] 1 x$mem_tmp = x [L767] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L767] EXPR 1 \read(x) [L767] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L767] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L768] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L769] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L770] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L771] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L773] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L774] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L775] 1 __unbuffered_p0_EAX$read_delayed_var = &x [L776] EXPR 1 \read(x) [L776] 1 __unbuffered_p0_EAX = x [L777] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L777] EXPR 1 \read(x) [L777] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L777] 1 x = x$flush_delayed ? x$mem_tmp : x [L778] 1 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L781] 1 __unbuffered_p0_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L793] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L796] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L786] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L799] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L800] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L801] 2 x$flush_delayed = weak$$choice2 [L802] EXPR 2 \read(x) [L802] 2 x$mem_tmp = x [L803] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L803] EXPR 2 \read(x) [L803] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L803] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L804] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L805] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L806] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L807] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L808] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L809] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 2 \read(x) [L810] 2 __unbuffered_p1_EBX = x [L811] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L811] EXPR 2 \read(x) [L811] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L811] 2 x = x$flush_delayed ? x$mem_tmp : x [L812] 2 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L817] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L854] FCALL, FORK 0 pthread_create(&t1751, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L824] 3 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L827] EXPR 3 \read(x) [L827] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L858] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L858] RET 0 assume_abort_if_not(main$tmp_guard0) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 \read(x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L867] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L868] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L868] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L868] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L868] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L868] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L868] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L869] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1749=-1, t1750=0, t1751=1, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L871] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L18] 0 __assert_fail ("0", "rfi009_rmo.oepc.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] - 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: -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: -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: -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: -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: 847]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 852]: 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: 854]: 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: 850]: 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 7 procedures, 132 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 485 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 485 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 675 IncrementalHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 173 mSDtfsCounter, 675 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96500occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 921 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1289 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 [2024-11-14 05:17:32,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a18518b-3040-4d9e-9180-af6adc984248/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample