./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:01:48,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:01:48,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-08 12:01:48,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:01:48,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:01:49,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:01:49,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:01:49,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:01:49,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:01:49,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:01:49,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:01:49,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:01:49,037 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:01:49,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:01:49,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:01:49,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:01:49,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:01:49,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:01:49,041 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 12:01:49,041 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 12:01:49,042 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 12:01:49,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:01:49,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:01:49,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:01:49,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:01:49,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:01:49,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:01:49,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:01:49,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:01:49,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:01:49,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:01:49,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:01:49,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:01:49,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:01:49,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:01:49,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:01:49,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:01:49,051 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:01:49,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:01:49,051 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:01:49,052 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:01:49,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a [2024-11-08 12:01:49,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:01:49,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:01:49,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:01:49,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:01:49,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:01:49,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread/queue_ok_longer.i Unable to find full path for "g++" [2024-11-08 12:01:51,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:01:51,978 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:01:51,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/sv-benchmarks/c/pthread/queue_ok_longer.i [2024-11-08 12:01:52,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/data/6fc505270/3f56fe165493476694e17381c79137ca/FLAG36589fa0e [2024-11-08 12:01:52,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/data/6fc505270/3f56fe165493476694e17381c79137ca [2024-11-08 12:01:52,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:01:52,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:01:52,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:01:52,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:01:52,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:01:52,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:01:52" (1/1) ... [2024-11-08 12:01:52,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a705a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:52, skipping insertion in model container [2024-11-08 12:01:52,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:01:52" (1/1) ... [2024-11-08 12:01:52,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:01:53,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:01:53,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:01:53,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:01:53,655 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:01:53,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53 WrapperNode [2024-11-08 12:01:53,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:01:53,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:01:53,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:01:53,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:01:53,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,795 INFO L138 Inliner]: procedures = 274, calls = 854, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 999 [2024-11-08 12:01:53,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:01:53,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:01:53,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:01:53,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:01:53,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:01:53,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:01:53,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:01:53,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:01:53,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (1/1) ... [2024-11-08 12:01:53,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:01:53,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:01:53,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:01:53,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:01:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-08 12:01:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-08 12:01:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-08 12:01:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-08 12:01:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 12:01:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:01:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:01:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 12:01:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:01:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:01:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:01:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:01:53,994 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:01:54,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:01:54,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:01:56,304 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:01:56,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:02:05,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:02:05,824 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:02:05,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:02:05 BoogieIcfgContainer [2024-11-08 12:02:05,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:02:05,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:02:05,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:02:05,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:02:05,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:01:52" (1/3) ... [2024-11-08 12:02:05,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a9f0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:02:05, skipping insertion in model container [2024-11-08 12:02:05,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:01:53" (2/3) ... [2024-11-08 12:02:05,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a9f0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:02:05, skipping insertion in model container [2024-11-08 12:02:05,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:02:05" (3/3) ... [2024-11-08 12:02:05,838 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2024-11-08 12:02:05,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:02:05,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2024-11-08 12:02:05,863 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:02:06,030 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 12:02:06,112 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:02:06,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:02:06,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:02:06,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:02:06,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:02:06,182 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:02:06,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2024-11-08 12:02:06,210 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fe4245a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:02:06,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-08 12:02:06,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:06,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:06,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1218785308, now seen corresponding path program 1 times [2024-11-08 12:02:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:06,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711987774] [2024-11-08 12:02:06,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:07,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:07,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711987774] [2024-11-08 12:02:07,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711987774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:02:07,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:02:07,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:02:07,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264731083] [2024-11-08 12:02:07,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:02:07,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:02:07,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:07,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:02:07,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:02:07,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:07,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:07,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:07,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:08,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:08,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:02:08,130 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:08,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:08,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1218785307, now seen corresponding path program 1 times [2024-11-08 12:02:08,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:08,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128841025] [2024-11-08 12:02:08,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:08,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:11,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:11,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128841025] [2024-11-08 12:02:11,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128841025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:02:11,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:02:11,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:02:11,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467056288] [2024-11-08 12:02:11,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:02:11,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 12:02:11,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:11,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 12:02:11,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:02:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:11,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:11,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:11,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:14,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:14,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:02:14,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:14,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 434513278, now seen corresponding path program 1 times [2024-11-08 12:02:14,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:14,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152590624] [2024-11-08 12:02:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:15,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:15,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152590624] [2024-11-08 12:02:15,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152590624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:02:15,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:02:15,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 12:02:15,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927746146] [2024-11-08 12:02:15,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:02:15,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:02:15,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:15,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:02:15,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:02:15,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:15,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:15,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 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) [2024-11-08 12:02:15,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:15,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:15,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:16,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:16,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:02:16,537 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:16,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:16,538 INFO L85 PathProgramCache]: Analyzing trace with hash 434513279, now seen corresponding path program 1 times [2024-11-08 12:02:16,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:16,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319917915] [2024-11-08 12:02:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:16,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:17,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:17,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319917915] [2024-11-08 12:02:17,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319917915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:02:17,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:02:17,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:02:17,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084282494] [2024-11-08 12:02:17,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:02:17,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:02:17,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:17,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:02:17,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:02:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:17,298 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:17,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-11-08 12:02:17,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:17,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:17,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:17,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:17,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:02:17,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:17,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:17,863 INFO L85 PathProgramCache]: Analyzing trace with hash -881120984, now seen corresponding path program 1 times [2024-11-08 12:02:17,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:17,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733397917] [2024-11-08 12:02:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:17,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:19,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:19,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733397917] [2024-11-08 12:02:19,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733397917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:02:19,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:02:19,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 12:02:19,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972181098] [2024-11-08 12:02:19,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:02:19,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:02:19,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:19,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:02:19,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:02:19,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:19,764 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:19,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:19,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:19,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:19,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:19,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:19,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:20,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 12:02:20,582 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:20,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:20,582 INFO L85 PathProgramCache]: Analyzing trace with hash -706266241, now seen corresponding path program 1 times [2024-11-08 12:02:20,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:20,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34533716] [2024-11-08 12:02:20,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:20,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:23,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:23,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34533716] [2024-11-08 12:02:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34533716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:02:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675609279] [2024-11-08 12:02:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:23,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:02:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:02:23,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:02:23,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:02:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:24,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 1858 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 12:02:24,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:02:24,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:02:24,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:02:24,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:24,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:02:24,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:02:24,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:02:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:24,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:02:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:25,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:02:25,437 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|)))) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_115 (Array Int Int))) (<= (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_115 (Array Int Int))) (<= 0 (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))))) is different from false [2024-11-08 12:02:25,457 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_115 (Array Int Int))) (<= (+ |c_~#queue~0.offset| 4 (* 4 (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse1))) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_115 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* 4 (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse1))))))) is different from false [2024-11-08 12:02:25,509 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse2 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse1 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse3 (+ (select .cse0 .cse2) 1)) (.cse4 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse4) 4)))) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse4) 4) 4) (select |c_#length| |c_~#queue~0.base|)))))) is different from false [2024-11-08 12:02:25,551 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse2 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) (.cse3 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse4 (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_110 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse0 (store .cse3 .cse4 v_ArrVal_110))) (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse0 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset|))) (forall ((v_ArrVal_110 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse3 .cse4 v_ArrVal_110))) (store (store .cse6 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse6 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2024-11-08 12:02:26,058 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse0 (select .cse4 .cse3)) (.cse2 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|) (forall ((v_ArrVal_110 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse1 (store .cse4 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|)) v_ArrVal_110))) (store (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|) (forall ((v_ArrVal_110 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse4 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|)) v_ArrVal_110))) (store (store .cse6 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse6 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset|)))))))) is different from false [2024-11-08 12:02:28,188 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse3 (+ |c_~#queue~0.offset| 1604))) (let ((.cse0 (select .cse4 .cse3)) (.cse2 (+ 1608 |c_~#queue~0.offset|))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|) (forall ((v_ArrVal_110 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= (+ (* 4 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse1 (store .cse4 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|)) v_ArrVal_110))) (store (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse3)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|) (forall ((v_ArrVal_110 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_115 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse5 (store .cse4 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_17|)) v_ArrVal_110))) (store (store .cse5 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse5 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_115) |c_~#queue~0.base|) .cse3)) |c_~#queue~0.offset|)))))))) is different from false [2024-11-08 12:02:34,885 INFO L349 Elim1Store]: treesize reduction 312, result has 39.3 percent of original size [2024-11-08 12:02:34,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 274 treesize of output 393 [2024-11-08 12:02:34,974 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-08 12:02:34,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 194 treesize of output 178 [2024-11-08 12:02:34,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:02:35,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:02:35,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 133 [2024-11-08 12:02:35,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2024-11-08 12:02:35,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 12:02:35,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:02:35,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 192 treesize of output 190 [2024-11-08 12:02:36,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:02:36,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 71 [2024-11-08 12:02:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:36,105 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:02:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:36,193 INFO L349 Elim1Store]: treesize reduction 62, result has 53.0 percent of original size [2024-11-08 12:02:36,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 107 treesize of output 106 [2024-11-08 12:02:36,203 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:02:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:36,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 44 [2024-11-08 12:02:36,221 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:02:36,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2024-11-08 12:02:36,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-08 12:02:36,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:02:36,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-08 12:02:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-11-08 12:02:38,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675609279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:02:38,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:02:38,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 32 [2024-11-08 12:02:38,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829834587] [2024-11-08 12:02:38,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:02:38,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 12:02:38,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:38,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 12:02:38,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=642, Unknown=17, NotChecked=342, Total=1122 [2024-11-08 12:02:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:38,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:38,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 2.6363636363636362) internal successors, (87), 33 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:38,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:38,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:38,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:38,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:38,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:38,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:02:41,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:02:41,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-08 12:02:41,337 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:41,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:41,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1628461221, now seen corresponding path program 1 times [2024-11-08 12:02:41,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:41,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143932922] [2024-11-08 12:02:41,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:41,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143932922] [2024-11-08 12:02:42,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143932922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:02:42,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845041824] [2024-11-08 12:02:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:42,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:02:42,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:02:42,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:02:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:02:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:42,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 1902 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 12:02:42,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:02:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:43,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:02:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:02:43,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845041824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:02:43,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:02:43,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 10 [2024-11-08 12:02:43,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466878111] [2024-11-08 12:02:43,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:02:43,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 12:02:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:43,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 12:02:43,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 12:02:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:43,499 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:43,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:02:43,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:46,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:46,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:46,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:46,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:02:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:02:46,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 12:02:46,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 12:02:46,602 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:46,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:46,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1178847629, now seen corresponding path program 1 times [2024-11-08 12:02:46,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:46,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287208147] [2024-11-08 12:02:46,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:46,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 12:02:47,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:47,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287208147] [2024-11-08 12:02:47,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287208147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:02:47,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:02:47,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:02:47,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109827958] [2024-11-08 12:02:47,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:02:47,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:02:47,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:02:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:02:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:47,187 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:47,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:47,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:47,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:47,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:47,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:47,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:47,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:02:47,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:02:47,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:02:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:02:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:47,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 12:02:47,611 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:02:47,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:02:47,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1822275769, now seen corresponding path program 1 times [2024-11-08 12:02:47,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:02:47,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087260694] [2024-11-08 12:02:47,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:47,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:02:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 12:02:51,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:02:51,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087260694] [2024-11-08 12:02:51,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087260694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:02:51,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898029533] [2024-11-08 12:02:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:02:51,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:02:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:02:51,366 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:02:51,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:02:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:02:51,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-08 12:02:51,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:02:51,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 12:02:52,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:02:52,341 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:02:52,355 INFO L349 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2024-11-08 12:02:52,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 16 [2024-11-08 12:02:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:52,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:02:52,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2024-11-08 12:02:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:02:52,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-08 12:02:52,865 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2024-11-08 12:02:52,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2024-11-08 12:02:52,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:02:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-08 12:02:52,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:02:53,903 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_304 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38| Int) (v_ArrVal_305 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store (store .cse2 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_304) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38|) (not (= 400 (select (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38|) |c_~#queue~0.offset|) v_ArrVal_305) .cse1)))))) is different from false [2024-11-08 12:02:53,971 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_304 (Array Int Int)) (v_ArrVal_299 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38| Int) (v_ArrVal_305 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_299)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store (store .cse2 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_304) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38|) (not (= 400 (select (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38|) |c_~#queue~0.offset|) v_ArrVal_305) .cse1)))))) is different from false [2024-11-08 12:02:54,021 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_41| Int)) (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (or (forall ((v_ArrVal_304 (Array Int Int)) (v_ArrVal_299 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38| Int) (v_ArrVal_305 Int)) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (store .cse4 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_41|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_299))) (store (store .cse2 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse2 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_304) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38|) (not (= (select (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_38|) |c_~#queue~0.offset|) v_ArrVal_305) .cse1) 400))))) (< (select .cse4 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_41|)))) is different from false [2024-11-08 12:02:55,387 INFO L349 Elim1Store]: treesize reduction 312, result has 39.3 percent of original size [2024-11-08 12:02:55,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 374 treesize of output 409 [2024-11-08 12:02:55,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:02:55,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 295 treesize of output 291 [2024-11-08 12:02:55,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2024-11-08 12:02:55,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2024-11-08 12:02:55,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 12:02:56,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:02:56,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 168 [2024-11-08 12:02:56,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:02:56,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 86 [2024-11-08 12:02:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 4 not checked. [2024-11-08 12:02:56,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898029533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:02:56,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:02:56,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 15] total 36 [2024-11-08 12:02:56,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117574643] [2024-11-08 12:02:56,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:02:56,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-08 12:02:56,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:02:56,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-08 12:02:56,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=951, Unknown=32, NotChecked=198, Total=1332 [2024-11-08 12:02:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:02:56,682 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:02:56,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 36 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:02:56,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:56,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:02:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:03:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:03:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:03:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:03:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:03:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:03:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:03:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:03:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:03:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:03:01,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 12:03:01,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:03:01,176 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:03:01,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:03:01,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1057157095, now seen corresponding path program 2 times [2024-11-08 12:03:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:03:01,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937687850] [2024-11-08 12:03:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:03:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:03:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:03:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:03:06,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:03:06,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937687850] [2024-11-08 12:03:06,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937687850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:03:06,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369084936] [2024-11-08 12:03:06,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:03:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:03:06,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:03:06,917 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:03:06,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:03:07,595 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:03:07,595 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:03:07,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 1941 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-08 12:03:07,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:03:07,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:03:07,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:03:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:03:08,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:03:08,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:03:08,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:03:08,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:03:08,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:03:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:03:08,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:03:09,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:03:09,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:03:09,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:03:09,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:03:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:03:09,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:03:10,151 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_374 (Array Int Int))) (<= 0 (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))) (forall ((v_ArrVal_374 (Array Int Int))) (<= (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2024-11-08 12:03:10,203 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse2 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse1 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse3 (+ (select .cse0 .cse2) 1)) (.cse4 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int))) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int))) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset|)))))) is different from false [2024-11-08 12:03:10,266 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse2 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) (.cse3 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse4 (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ |c_~#queue~0.offset| (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse0 (store .cse3 .cse4 v_ArrVal_369))) (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse0 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5)) 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ |c_~#queue~0.offset| (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse3 .cse4 v_ArrVal_369))) (store (store .cse6 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse6 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5))))))) is different from false [2024-11-08 12:03:12,352 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse0 (select .cse4 .cse3)) (.cse2 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse1 (store .cse4 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_369))) (store (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset|))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse4 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_369))) (store (store .cse6 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse6 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))))) is different from false [2024-11-08 12:03:17,596 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse3 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|)))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse6 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse5 (store .cse6 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse5 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse6 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|)))))) is different from false [2024-11-08 12:03:17,650 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse7 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse8 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1)))))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ (* 4 (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse3 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1)) |c_~#queue~0.offset|)))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse5 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ (* 4 (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse6 (store .cse5 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse6 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse6 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))))) is different from false [2024-11-08 12:03:20,857 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse6 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse7 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) (.cse8 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse9 (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (and (forall ((v_ArrVal_363 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (store .cse8 .cse9 v_ArrVal_363))) (store (store .cse5 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 (+ (select .cse5 .cse7) 1)))))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((v_ArrVal_374 (Array Int Int)) (v_subst_1 Int) (v_ArrVal_369 Int)) (<= (+ |c_~#queue~0.offset| (* 4 (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse0 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse3 .cse4 (+ v_subst_1 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1)) 4) (select |c_#length| |c_~#queue~0.base|))))))) (forall ((v_ArrVal_363 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse13 (store .cse8 .cse9 v_ArrVal_363))) (store (store .cse13 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 (+ (select .cse13 .cse7) 1)))))) (let ((.cse12 (select (store .cse10 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_374 (Array Int Int)) (v_subst_2 Int) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store .cse10 |c_~#queue~0.base| (let ((.cse11 (store .cse12 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse11 .cse4 (+ v_subst_2 1)) .cse1 (+ (select .cse11 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))) (< (select .cse12 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|))))))) is different from false [2024-11-08 12:03:22,990 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse9 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse8 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse5 (+ 1608 |c_~#queue~0.offset|)) (.cse2 (+ |c_~#queue~0.offset| 1604)) (.cse7 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse0 (select .cse9 .cse8))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_52| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_52|) (forall ((v_ArrVal_363 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse9 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_52|)) v_ArrVal_363))) (store (store .cse6 .cse7 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse8 (+ (select .cse6 .cse8) 1)))))) (let ((.cse1 (select (store .cse3 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse1 .cse2) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((v_ArrVal_374 (Array Int Int)) (v_subst_2 Int) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store .cse3 |c_~#queue~0.base| (let ((.cse4 (store .cse1 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse4 .cse5 (+ v_subst_2 1)) .cse2 (+ (select .cse4 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset|))))))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_52| Int)) (or (forall ((v_ArrVal_363 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse13 (store .cse9 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_52|)) v_ArrVal_363))) (store (store .cse13 .cse7 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse8 (+ (select .cse13 .cse8) 1)))))) (let ((.cse10 (select (store .cse11 |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse10 .cse2) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((v_ArrVal_374 (Array Int Int)) (v_subst_1 Int) (v_ArrVal_369 Int)) (<= (+ |c_~#queue~0.offset| 4 (* (select (select (store (store .cse11 |c_~#queue~0.base| (let ((.cse12 (store .cse10 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse12 .cse5 (+ v_subst_1 1)) .cse2 (+ (select .cse12 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse2) 4)) (select |c_#length| |c_~#queue~0.base|))))))) (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_52|)))))) is different from false [2024-11-08 12:04:17,736 INFO L349 Elim1Store]: treesize reduction 312, result has 39.3 percent of original size [2024-11-08 12:04:17,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 514 treesize of output 450 [2024-11-08 12:04:17,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:17,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 346 treesize of output 342 [2024-11-08 12:04:17,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:04:17,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 12:04:18,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2024-11-08 12:04:18,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 12:04:18,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:18,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 187 treesize of output 185 [2024-11-08 12:04:19,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:19,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 93 [2024-11-08 12:04:19,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:19,264 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:19,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:19,345 INFO L349 Elim1Store]: treesize reduction 62, result has 53.0 percent of original size [2024-11-08 12:04:19,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 163 [2024-11-08 12:04:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:19,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:19,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2024-11-08 12:04:19,393 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:19,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2024-11-08 12:04:19,407 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:19,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 12:04:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 4 times theorem prover too weak. 0 trivial. 12 not checked. [2024-11-08 12:04:19,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369084936] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:04:19,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:04:19,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 19] total 47 [2024-11-08 12:04:19,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165371603] [2024-11-08 12:04:19,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:04:19,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-08 12:04:19,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:04:19,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-08 12:04:19,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=1326, Unknown=98, NotChecked=680, Total=2352 [2024-11-08 12:04:19,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:19,665 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:04:19,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 2.5625) internal successors, (123), 48 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:04:19,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:19,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-08 12:04:19,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:26,861 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse6 (+ |c_~#queue~0.offset| 1604))) (let ((.cse3 (select .cse7 .cse6))) (let ((.cse0 (* .cse3 4)) (.cse5 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (select |c_#length| |c_~#queue~0.base|)) (.cse2 (* (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) 4))) (and (<= (+ .cse0 |c_~#queue~0.offset| 4) .cse1) (<= 0 (+ .cse0 |c_~#queue~0.offset|)) (<= 0 (+ .cse2 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int)) (or (< .cse3 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse4 (store .cse7 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse4 .cse5 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse6 (+ (select .cse4 .cse6) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))))) (forall ((v_ArrVal_374 (Array Int Int))) (<= 0 (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset|))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int)) (or (< .cse3 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse8 (store .cse7 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse8 .cse5 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse6 (+ (select .cse8 .cse6) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse1)))) (forall ((v_ArrVal_374 (Array Int Int))) (<= (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse6) 4) |c_~#queue~0.offset| 4) .cse1)) (<= (+ .cse2 4 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (select |c_#length| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)))))) is different from false [2024-11-08 12:04:26,889 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 1608 |c_~#queue~0.offset|)) (.cse2 (+ |c_~#queue~0.offset| 1604)) (.cse4 (select |c_#length| |c_~#queue~0.base|))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse3 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse0 (store .cse3 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse0 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset| 4) .cse4)) (< (select .cse3 .cse2) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|)))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int) (v_ArrVal_368 (Array Int Int))) (let ((.cse5 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_368) |c_~#queue~0.base|))) (or (< (select .cse5 .cse2) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse6 (store .cse5 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse6 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse6 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset|)))))) (forall ((v_ArrVal_374 (Array Int Int))) (<= 0 (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset|))) (forall ((v_ArrVal_374 (Array Int Int))) (<= (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset| 4) .cse4)))) is different from false [2024-11-08 12:04:28,930 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (let ((.cse2 (select .cse6 .cse5))) (let ((.cse0 (* .cse2 4)) (.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (select |c_#length| |c_~#queue~0.base|))) (and (<= (+ .cse0 |c_~#queue~0.offset| 4) .cse1) (<= 0 (+ .cse0 |c_~#queue~0.offset|)) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int)) (or (< .cse2 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse3 (store .cse6 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse3 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse5 (+ (select .cse3 .cse5) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset|))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49| Int)) (or (< .cse2 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse7 (store .cse6 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_49|) |c_~#queue~0.offset|) v_ArrVal_369))) (store (store .cse7 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse5 (+ (select .cse7 .cse5) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5) 4) |c_~#queue~0.offset| 4) .cse1)))))))) is different from false [2024-11-08 12:04:32,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:04:32,754 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse2 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) (.cse8 (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4))) (let ((.cse1 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604)) (.cse4 (+ .cse8 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse7 (* (select .cse3 .cse2) 4)) (.cse9 (select |c_#length| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|))) (and (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= (+ |c_~#queue~0.offset| (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse0 (store .cse3 .cse4 v_ArrVal_369))) (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse0 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5)) 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_374 (Array Int Int)) (v_ArrVal_369 Int)) (<= 0 (+ |c_~#queue~0.offset| (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse3 .cse4 v_ArrVal_369))) (store (store .cse6 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse6 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_374) |c_~#queue~0.base|) .cse5))))) (<= 0 (+ .cse7 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (<= (+ .cse8 4 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) .cse9) (<= 0 .cse4) (<= (+ .cse7 4 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) .cse9)))) is different from false [2024-11-08 12:04:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:04:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:04:35,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 12:04:35,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 12:04:35,336 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:04:35,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:04:35,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1746071976, now seen corresponding path program 1 times [2024-11-08 12:04:35,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:04:35,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103074661] [2024-11-08 12:04:35,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:04:35,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:04:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:04:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:04:36,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:04:36,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103074661] [2024-11-08 12:04:36,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103074661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:04:36,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533956504] [2024-11-08 12:04:36,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:04:36,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:04:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:04:36,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:04:36,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:04:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:04:36,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 12:04:36,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:04:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:04:37,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:04:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:04:38,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533956504] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:04:38,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:04:38,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-11-08 12:04:38,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946615296] [2024-11-08 12:04:38,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:04:38,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 12:04:38,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:04:38,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 12:04:38,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:04:38,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:38,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:04:38,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:04:38,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:38,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:38,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:38,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:38,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:38,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:38,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:38,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:38,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-08 12:04:38,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:04:38,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:39,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:39,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:39,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:04:39,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:04:39,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:04:39,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 12:04:39,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 12:04:39,456 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:04:39,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:04:39,456 INFO L85 PathProgramCache]: Analyzing trace with hash 311565978, now seen corresponding path program 2 times [2024-11-08 12:04:39,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:04:39,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10989186] [2024-11-08 12:04:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:04:39,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:04:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:04:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 40 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 12:04:41,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:04:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10989186] [2024-11-08 12:04:41,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10989186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:04:41,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128670661] [2024-11-08 12:04:41,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:04:41,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:04:41,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:04:41,308 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:04:41,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:04:41,956 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:04:41,957 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:04:41,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 12:04:41,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:04:42,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:04:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:43,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:04:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:04:43,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:04:43,464 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_533 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_533) |c_~#queue~0.base|) .cse0)) |c_~#queue~0.offset|))) (forall ((v_ArrVal_533 (Array Int Int))) (<= (+ (* 4 (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_533) |c_~#queue~0.base|) .cse0)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2024-11-08 12:04:43,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:43,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2024-11-08 12:04:43,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:43,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49 [2024-11-08 12:04:43,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 12:04:43,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:43,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2024-11-08 12:04:43,605 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:43,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 12:04:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 6 not checked. [2024-11-08 12:04:44,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128670661] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:04:44,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:04:44,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 19 [2024-11-08 12:04:44,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635362795] [2024-11-08 12:04:44,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:04:44,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 12:04:44,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:04:44,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 12:04:44,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=316, Unknown=1, NotChecked=36, Total=420 [2024-11-08 12:04:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:44,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:04:44,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:04:44,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:44,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:44,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:44,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:44,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:44,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:44,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:44,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:44,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-08 12:04:44,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:04:44,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:04:44,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:46,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:04:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:04:46,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:04:46,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:46,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 12:04:46,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 12:04:46,989 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:04:46,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:04:46,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1522720076, now seen corresponding path program 3 times [2024-11-08 12:04:46,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:04:46,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624504001] [2024-11-08 12:04:46,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:04:46,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:04:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:04:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 84 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 12:04:50,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:04:50,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624504001] [2024-11-08 12:04:50,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624504001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:04:50,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063565402] [2024-11-08 12:04:50,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:04:50,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:04:50,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:04:50,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:04:50,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:04:51,307 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-08 12:04:51,308 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:04:51,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 12:04:51,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:04:51,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:04:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:51,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:04:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:52,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:04:52,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:04:52,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:04:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:52,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:04:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 68 proven. 22 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:04:52,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:04:52,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2024-11-08 12:04:53,642 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse0 (select .cse4 .cse3)) (.cse2 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_638 Int) (v_ArrVal_642 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse1 (store .cse4 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_638))) (store (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_642) |c_~#queue~0.base|) .cse5)) |c_~#queue~0.offset|))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_638 Int) (v_ArrVal_642 (Array Int Int))) (<= (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse6 (store .cse4 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_638))) (store (store .cse6 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse6 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_642) |c_~#queue~0.base|) .cse5) 401))))))) is different from false [2024-11-08 12:04:54,062 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_636 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_636) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_638 Int) (v_ArrVal_642 (Array Int Int))) (<= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse2 (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|)) v_ArrVal_638))) (store (store .cse2 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse2 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_642) |c_~#queue~0.base|) .cse1) 401))))) (forall ((v_ArrVal_636 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86| Int)) (let ((.cse5 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_636) |c_~#queue~0.base|))) (or (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_638 Int) (v_ArrVal_642 (Array Int Int))) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse4 (store .cse5 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|)) v_ArrVal_638))) (store (store .cse4 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse4 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_642) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))) (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_86|)))))) is different from false [2024-11-08 12:04:54,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:54,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 84 [2024-11-08 12:04:54,229 INFO L349 Elim1Store]: treesize reduction 42, result has 58.0 percent of original size [2024-11-08 12:04:54,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 142 treesize of output 156 [2024-11-08 12:04:54,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:04:54,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:54,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 79 [2024-11-08 12:04:54,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:04:54,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-08 12:04:54,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:54,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 38 [2024-11-08 12:04:54,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:54,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:54,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 52 [2024-11-08 12:04:54,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 3 [2024-11-08 12:04:54,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-08 12:04:54,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:04:54,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2024-11-08 12:04:54,504 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:54,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 63 [2024-11-08 12:04:54,524 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:54,525 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:04:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:04:54,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 12:04:54,551 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-08 12:04:54,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 1 [2024-11-08 12:04:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 18 proven. 56 refuted. 3 times theorem prover too weak. 42 trivial. 13 not checked. [2024-11-08 12:04:55,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063565402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:04:55,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:04:55,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 34 [2024-11-08 12:04:55,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874893928] [2024-11-08 12:04:55,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:04:55,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-08 12:04:55,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:04:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-08 12:04:55,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=889, Unknown=56, NotChecked=130, Total=1260 [2024-11-08 12:04:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:04:55,095 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:04:55,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 4.628571428571429) internal successors, (162), 35 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:04:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:04:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:04:55,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:05:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:05:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:05:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:05:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:05:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:05:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:05:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:05:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:05:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:05:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:05:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:05:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:05:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:05:00,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 12:05:01,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 12:05:01,174 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:05:01,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:05:01,174 INFO L85 PathProgramCache]: Analyzing trace with hash 77047272, now seen corresponding path program 4 times [2024-11-08 12:05:01,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:05:01,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549724101] [2024-11-08 12:05:01,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:05:01,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:05:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:05:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 154 proven. 60 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 12:05:07,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:05:07,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549724101] [2024-11-08 12:05:07,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549724101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:05:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7935556] [2024-11-08 12:05:07,751 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:05:07,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:05:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:05:07,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:05:07,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:05:08,625 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:05:08,625 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:05:08,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 2349 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-08 12:05:08,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:05:09,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 12:05:09,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:09,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:05:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:09,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:05:09,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:05:09,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:05:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:10,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:05:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:10,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:05:10,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:05:10,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:05:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:10,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:05:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:10,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-08 12:05:10,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:05:11,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 12:05:11,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:05:11,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:05:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 156 proven. 70 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 12:05:11,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:05:11,819 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_795 (Array Int Int))) (<= (+ (* 4 (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse0)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse0)) |c_~#queue~0.offset|))))) is different from false [2024-11-08 12:05:12,015 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_795 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_795 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4)))))) is different from false [2024-11-08 12:05:30,542 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 1608 |c_~#queue~0.offset|)) (.cse2 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse3 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_795 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse0 (store .cse3 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse0 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse2) 4) 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse3 .cse2) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))) (forall ((v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse4 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse4 .cse2) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse5 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse5 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 (+ (select .cse5 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse2) 4))))))))) is different from false [2024-11-08 12:05:30,633 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 1608 |c_~#queue~0.offset|)) (.cse3 (+ |c_~#queue~0.offset| 1604)) (.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))))) (and (forall ((v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse4 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* 4 (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse1 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse4 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))) (forall ((v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse6 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse5 (store .cse6 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse5 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse5 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3)) |c_~#queue~0.offset|))) (< (select .cse6 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))))) is different from false [2024-11-08 12:05:30,684 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 1608 |c_~#queue~0.offset|)) (.cse3 (+ |c_~#queue~0.offset| 1604)) (.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse7 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse8 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1)))))) (and (forall ((v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse4 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_795 (Array Int Int))) (<= (+ |c_~#queue~0.offset| 4 (* (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse1 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4)) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse4 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))) (forall ((v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse5 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse5 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse6 (store .cse5 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse6 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse6 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4))))))))) is different from false [2024-11-08 12:05:30,826 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse7 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse6 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse8 (+ (select .cse5 .cse7) 1))) (and (forall ((v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse5 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 .cse8)))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) 4) (select |c_#length| |c_~#queue~0.base|))))))) (forall ((v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse10 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse5 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 .cse8)))) (let ((.cse9 (select (store .cse10 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse9 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store .cse10 |c_~#queue~0.base| (let ((.cse11 (store .cse9 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse11 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse11 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4))))))))))) is different from false [2024-11-08 12:05:31,056 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 1608 |c_~#queue~0.offset|)) (.cse3 (+ |c_~#queue~0.offset| 1604)) (.cse6 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse7 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) (.cse8 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse9 (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (and (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (store .cse8 .cse9 v_ArrVal_784))) (store (store .cse5 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 (+ (select .cse5 .cse7) 1)))))) (let ((.cse4 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse1 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse1 .cse2 (+ v_subst_3 1)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse4 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|))))) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse10 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse13 (store .cse8 .cse9 v_ArrVal_784))) (store (store .cse13 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 (+ (select .cse13 .cse7) 1)))))) (let ((.cse12 (select (store .cse10 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store .cse10 |c_~#queue~0.base| (let ((.cse11 (store .cse12 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse11 .cse2 (+ v_subst_4 1)) .cse3 (+ (select .cse11 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset|))) (< (select .cse12 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|))))))) is different from false [2024-11-08 12:05:33,151 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse7 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse9 (select .cse8 .cse7)) (.cse2 (+ 1608 |c_~#queue~0.offset|)) (.cse3 (+ |c_~#queue~0.offset| 1604)) (.cse6 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int)) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (store .cse8 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_784))) (store (store .cse5 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 (+ 1 (select .cse5 .cse7))))))) (let ((.cse4 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse1 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse1 .cse2 (+ v_subst_4 1)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset|))) (< (select .cse4 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|))))) (< .cse9 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int)) (or (< .cse9 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse10 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse13 (store .cse8 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_784))) (store (store .cse13 .cse6 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse7 (+ 1 (select .cse13 .cse7))))))) (let ((.cse12 (select (store .cse10 |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store .cse10 |c_~#queue~0.base| (let ((.cse11 (store .cse12 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse11 .cse2 (+ v_subst_3 1)) .cse3 (+ (select .cse11 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse12 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))))))))) is different from false [2024-11-08 12:06:29,362 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse4 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse5 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse5 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* 4 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse2 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse2 .cse3 (+ v_subst_3 1)) .cse1 (+ (select .cse2 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1)) 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse4 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|))))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse9 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse7 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse8 (store .cse9 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse8 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse8 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse6 (store .cse7 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse6 .cse3 (+ v_subst_4 1)) .cse1 (+ (select .cse6 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1)) |c_~#queue~0.offset|))) (< (select .cse7 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))) (< (select .cse9 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|)))))) is different from false [2024-11-08 12:06:29,551 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse5 (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse6 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse6 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse6 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse5 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4)))) (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|))))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse7 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse7 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse8 (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse10 (store .cse7 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse10 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse10 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse8 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* 4 (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse9 (store .cse8 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse9 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse9 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))))))))) is different from false [2024-11-08 12:06:29,660 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 1608 |c_~#queue~0.offset|)) (.cse3 (+ |c_~#queue~0.offset| 1604)) (.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse11 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse12 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (store .cse11 .cse12 (+ (select .cse11 .cse12) 1)))))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse6 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse4 (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse5 (store .cse6 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse5 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse5 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse1 (store .cse4 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse1 .cse2 (+ v_subst_4 1)) .cse3 (+ (select .cse1 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset|))) (< (select .cse4 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))) (< (select .cse6 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|)))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse10 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse7 (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse9 (store .cse10 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse9 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse3 (+ (select .cse9 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse7 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store .cse0 |c_~#queue~0.base| (let ((.cse8 (store .cse7 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse8 .cse2 (+ v_subst_3 1)) .cse3 (+ (select .cse8 .cse3) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse3) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) (< (select .cse10 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|)))))) is different from false [2024-11-08 12:06:29,968 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse9 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse8 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse10 (+ (select .cse7 .cse9) 1))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse7 .cse8 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse9 .cse10)))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int) (v_subst_5 Int)) (let ((.cse5 (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse6 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse6 .cse4 (+ v_subst_5 1)) .cse1 (+ (select .cse6 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse5 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))) (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse7 .cse8 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse9 .cse10)))) (let ((.cse15 (select (store .cse11 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (v_subst_6 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse13 (select (store (store .cse11 |c_~#queue~0.base| (let ((.cse14 (store .cse15 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse14 .cse4 (+ v_subst_6 1)) .cse1 (+ (select .cse14 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store .cse11 |c_~#queue~0.base| (let ((.cse12 (store .cse13 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse12 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse12 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse13 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))) (< (select .cse15 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|)))))))) is different from false [2024-11-08 12:06:30,156 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse8 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse9 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604)) (.cse10 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse11 (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse7 (store .cse10 .cse11 v_ArrVal_778))) (store (store .cse7 .cse8 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse9 (+ (select .cse7 .cse9) 1)))))) (let ((.cse6 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (v_subst_6 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse0 (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse5 (store .cse6 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse5 .cse4 (+ v_subst_6 1)) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) (< (select .cse6 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse17 (store .cse10 .cse11 v_ArrVal_778))) (store (store .cse17 .cse8 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse9 (+ (select .cse17 .cse9) 1)))))) (let ((.cse16 (select (store .cse13 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int) (v_subst_5 Int)) (let ((.cse12 (select (store (store .cse13 |c_~#queue~0.base| (let ((.cse15 (store .cse16 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse15 .cse4 (+ v_subst_5 1)) .cse1 (+ (select .cse15 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse12 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store .cse13 |c_~#queue~0.base| (let ((.cse14 (store .cse12 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse14 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse14 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|)))))) (< (select .cse16 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|))))))) is different from false [2024-11-08 12:06:32,286 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse9 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604)) (.cse8 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse11 (select .cse10 .cse9))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| Int)) (or (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse7 (store .cse10 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_778))) (store (store .cse7 .cse8 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse9 (+ (select .cse7 .cse9) 1)))))) (let ((.cse6 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int) (v_subst_5 Int)) (let ((.cse0 (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse5 (store .cse6 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse5 .cse4 (+ v_subst_5 1)) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store .cse2 |c_~#queue~0.base| (let ((.cse3 (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|)))))) (< (select .cse6 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|))))) (< .cse11 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113|))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| Int)) (or (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse17 (store .cse10 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_778))) (store (store .cse17 .cse8 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse9 (+ (select .cse17 .cse9) 1)))))) (let ((.cse16 (select (store .cse13 |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (v_subst_6 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse12 (select (store (store .cse13 |c_~#queue~0.base| (let ((.cse15 (store .cse16 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse15 .cse4 (+ v_subst_6 1)) .cse1 (+ (select .cse15 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse12 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store .cse13 |c_~#queue~0.base| (let ((.cse14 (store .cse12 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse14 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse14 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) (< (select .cse16 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|))))) (< .cse11 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113|)))))) is different from false [2024-11-08 12:06:34,420 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (let ((.cse8 (select .cse7 .cse1)) (.cse4 (+ 1608 |c_~#queue~0.offset|))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| Int)) (or (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse6 (store .cse7 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| 4)) v_ArrVal_778))) (store (store .cse6 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse6 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int) (v_subst_5 Int)) (let ((.cse2 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse5 (store .cse0 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse5 .cse4 (+ v_subst_5 1)) .cse1 (+ 1 (select .cse5 .cse1))))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse2 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse3 (store .cse2 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4)))))))))) (< .cse8 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113|))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| Int)) (or (< .cse8 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113|) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse9 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse13 (store .cse7 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| 4)) v_ArrVal_778))) (store (store .cse13 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse13 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse9 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (v_subst_6 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse11 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse12 (store .cse9 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse12 .cse4 (+ v_subst_6 1)) .cse1 (+ 1 (select .cse12 .cse1))))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse10 (store .cse11 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse10 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse10 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< (select .cse11 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|)))))))))))) is different from false [2024-11-08 12:06:34,648 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 1608 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_777 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_777) |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113|) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse6 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse7 (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| 4)) v_ArrVal_778))) (store (store .cse7 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse7 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (v_subst_6 Int) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int)) (let ((.cse2 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse5 (store .cse6 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse5 .cse4 (+ v_subst_6 1)) .cse1 (+ (select .cse5 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse2 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_3 Int) (v_ArrVal_795 (Array Int Int))) (<= (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse3 (store .cse2 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse3 .cse4 (+ v_subst_3 1)) .cse1 (+ (select .cse3 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) (< (select .cse6 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|))))))) (forall ((v_ArrVal_777 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| Int)) (let ((.cse8 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_777) |c_~#queue~0.base|))) (or (< (select .cse8 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113|) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_778 Int) (v_ArrVal_783 (Array Int Int))) (let ((.cse9 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse13 (store .cse8 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_113| 4)) v_ArrVal_778))) (store (store .cse13 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse1 (+ (select .cse13 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_783) |c_~#queue~0.base|))) (or (< (select .cse9 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110|) (forall ((v_ArrVal_784 Int) (v_ArrVal_789 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| Int) (v_subst_5 Int)) (let ((.cse10 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse12 (store .cse9 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_110| 4) |c_~#queue~0.offset|) v_ArrVal_784))) (store (store .cse12 .cse4 (+ v_subst_5 1)) .cse1 (+ (select .cse12 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_789) |c_~#queue~0.base|))) (or (< (select .cse10 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107|) (forall ((v_ArrVal_791 Int) (v_subst_4 Int) (v_ArrVal_795 (Array Int Int))) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse11 (store .cse10 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_107| 4)) v_ArrVal_791))) (store (store .cse11 .cse4 (+ v_subst_4 1)) .cse1 (+ (select .cse11 .cse1) 1)))) |c_~#stored_elements~0.base| v_ArrVal_795) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|)))))))))))))) is different from false [2024-11-08 12:06:34,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:06:34,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 811 treesize of output 561 [2024-11-08 12:06:34,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:06:34,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 565 treesize of output 557 [2024-11-08 12:06:34,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 12:06:34,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 12:06:34,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 12:06:34,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 12:06:34,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-08 12:06:35,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:06:35,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 235 treesize of output 223 [2024-11-08 12:06:35,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:06:35,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 808 treesize of output 558 [2024-11-08 12:06:35,533 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:06:35,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:06:35,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 270 treesize of output 148 [2024-11-08 12:06:35,557 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:06:35,559 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-08 12:06:35,566 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:06:35,569 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-08 12:06:35,577 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:06:35,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 125 [2024-11-08 12:06:35,597 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:06:35,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 12:06:35,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:06:35,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 76 [2024-11-08 12:06:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 18 proven. 51 refuted. 8 times theorem prover too weak. 42 trivial. 149 not checked. [2024-11-08 12:06:38,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7935556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:38,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:38,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 27] total 67 [2024-11-08 12:06:38,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940147852] [2024-11-08 12:06:38,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:38,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-08 12:06:38,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:38,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-08 12:06:38,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=2201, Unknown=102, NotChecked=1840, Total=4556 [2024-11-08 12:06:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:38,468 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:38,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.25) internal successors, (221), 67 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:06:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:06:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:06:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:06:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:06:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:06:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:06:38,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:06:38,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:59,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:07:01,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:07:05,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:07:07,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:07:12,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:07:24,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:07:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:07:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-08 12:07:24,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 12:07:24,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 12:07:24,730 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:07:24,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:07:24,730 INFO L85 PathProgramCache]: Analyzing trace with hash 490963014, now seen corresponding path program 1 times [2024-11-08 12:07:24,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:07:24,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894737822] [2024-11-08 12:07:24,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:07:24,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:07:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:07:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2024-11-08 12:07:25,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:07:25,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894737822] [2024-11-08 12:07:25,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894737822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:07:25,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294712593] [2024-11-08 12:07:25,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:07:25,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:07:25,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:07:25,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:07:25,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 12:07:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:07:25,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 2509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 12:07:25,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:07:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2024-11-08 12:07:26,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:07:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2024-11-08 12:07:26,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294712593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:07:26,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:07:26,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-11-08 12:07:26,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692752003] [2024-11-08 12:07:26,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:07:26,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:07:26,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:07:26,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:07:26,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:07:26,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:26,675 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:07:26,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:07:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:07:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:07:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:07:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-08 12:07:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:07:33,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:33,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:07:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:07:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:07:33,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:07:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:07:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:07:33,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 12:07:33,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 12:07:33,800 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:07:33,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:07:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1728503323, now seen corresponding path program 3 times [2024-11-08 12:07:33,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:07:33,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440440844] [2024-11-08 12:07:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:07:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:07:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:07:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:07:45,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:07:45,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440440844] [2024-11-08 12:07:45,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440440844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:07:45,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893904303] [2024-11-08 12:07:45,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:07:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:07:45,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:07:45,112 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:07:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 12:07:48,283 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-08 12:07:48,283 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:07:48,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-08 12:07:48,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:07:49,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-08 12:07:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:07:49,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-08 12:07:50,278 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-08 12:07:50,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 30 [2024-11-08 12:07:50,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-08 12:07:50,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-08 12:07:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:07:50,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-11-08 12:07:51,431 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-08 12:07:51,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 40 [2024-11-08 12:07:51,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-08 12:07:52,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 24 [2024-11-08 12:07:52,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:07:52,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 28 [2024-11-08 12:07:52,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2024-11-08 12:07:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 162 proven. 38 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-08 12:07:52,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:07:53,240 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1106 (Array Int Int))) (<= (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1106) |c_~#queue~0.base|) .cse0) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_1106 (Array Int Int))) (<= 0 (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1106) |c_~#queue~0.base|) .cse0) 4) |c_~#queue~0.offset|))))) is different from false [2024-11-08 12:07:53,263 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|)))) (.cse1 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1106 (Array Int Int))) (<= (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_1106) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_1106 (Array Int Int))) (<= 0 (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_1106) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))))) is different from false [2024-11-08 12:07:53,600 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse2 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| 1604))) (let ((.cse1 (+ 1608 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse3 (+ (select .cse0 .cse2) 1)) (.cse4 (+ |c_~#queue~0.offset| 1604))) (and (forall ((v_ArrVal_1106 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_1106) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset|))) (forall ((v_ArrVal_1106 (Array Int Int)) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_1106) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) is different from false [2024-11-08 12:08:33,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:08:33,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2152 treesize of output 1042 [2024-11-08 12:08:33,702 INFO L349 Elim1Store]: treesize reduction 50, result has 56.9 percent of original size [2024-11-08 12:08:33,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 1065 treesize of output 900 [2024-11-08 12:08:33,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:08:33,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 387 treesize of output 381 [2024-11-08 12:08:33,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 260 [2024-11-08 12:08:33,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 252 [2024-11-08 12:08:33,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 250 [2024-11-08 12:08:33,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 248 [2024-11-08 12:08:33,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 235 [2024-11-08 12:08:33,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 231 [2024-11-08 12:08:33,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:08:34,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:08:34,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2024-11-08 12:08:34,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 349 [2024-11-08 12:08:34,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 344 treesize of output 336 [2024-11-08 12:08:34,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 336 treesize of output 332 [2024-11-08 12:08:34,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:08:34,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 441 treesize of output 429 [2024-11-08 12:08:34,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 316 treesize of output 304 [2024-11-08 12:08:34,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 295 [2024-11-08 12:08:34,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 287 [2024-11-08 12:08:34,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:08:34,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:08:34,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2024-11-08 12:08:34,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 469 treesize of output 445 [2024-11-08 12:08:34,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 432 [2024-11-08 12:08:34,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 432 treesize of output 428 [2024-11-08 12:08:34,495 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-08 12:08:34,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 583 treesize of output 565 [2024-11-08 12:08:34,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 402 [2024-11-08 12:08:34,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 397 treesize of output 393 [2024-11-08 12:08:34,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 393 treesize of output 385 [2024-11-08 12:08:34,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 95 [2024-11-08 12:08:36,863 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 20 proven. 151 refuted. 5 times theorem prover too weak. 80 trivial. 24 not checked. [2024-11-08 12:08:36,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893904303] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:08:36,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:08:36,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 20, 26] total 81 [2024-11-08 12:08:36,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131278923] [2024-11-08 12:08:36,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:08:36,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-11-08 12:08:36,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:08:36,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-11-08 12:08:36,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=830, Invalid=5395, Unknown=107, NotChecked=474, Total=6806 [2024-11-08 12:08:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:36,870 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:08:36,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 82 states have (on average 2.792682926829268) internal successors, (229), 82 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:08:36,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:08:36,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:08:36,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:08:36,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:08:36,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:08:36,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:08:36,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:38,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:09:17,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:09:18,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-08 12:09:28,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:28,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:28,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:28,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:28,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 12:09:28,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 12:09:28,430 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:09:28,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:28,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2013592504, now seen corresponding path program 1 times [2024-11-08 12:09:28,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:28,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860987974] [2024-11-08 12:09:28,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:28,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:28,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:28,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860987974] [2024-11-08 12:09:28,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860987974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:28,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108775501] [2024-11-08 12:09:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:28,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:28,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:28,619 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:28,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 12:09:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:29,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:09:29,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:29,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:09:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:29,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108775501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:09:29,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:09:29,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 12:09:29,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043860768] [2024-11-08 12:09:29,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:09:29,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:09:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:09:29,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:09:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:29,230 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:29,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:29,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:29,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:29,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:29,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:29,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:29,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:29,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 12:09:29,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 12:09:29,950 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:09:29,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash -757484759, now seen corresponding path program 1 times [2024-11-08 12:09:29,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:29,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033867332] [2024-11-08 12:09:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:29,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:30,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:30,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033867332] [2024-11-08 12:09:30,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033867332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:30,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704691406] [2024-11-08 12:09:30,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:30,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:30,206 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:30,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 12:09:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:30,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 1999 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:09:30,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:30,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:09:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:30,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704691406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:09:30,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:09:30,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 12:09:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296681126] [2024-11-08 12:09:30,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:09:30,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:09:30,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:30,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:09:30,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:09:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:30,948 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:30,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:30,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:30,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:31,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:31,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 12:09:31,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 12:09:31,782 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2024-11-08 12:09:31,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash -7774677, now seen corresponding path program 2 times [2024-11-08 12:09:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:31,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180751798] [2024-11-08 12:09:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:32,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:32,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180751798] [2024-11-08 12:09:32,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180751798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:32,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281809794] [2024-11-08 12:09:32,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:09:32,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:32,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:32,368 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:32,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 12:09:32,838 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 12:09:32,838 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:09:32,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:09:32,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-08 12:09:32,908 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:09:32,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281809794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:32,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:09:32,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 14 [2024-11-08 12:09:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086026186] [2024-11-08 12:09:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:32,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:32,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-08 12:09:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:32,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:32,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:32,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:32,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:32,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 12:09:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-08 12:09:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-08 12:09:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2024-11-08 12:09:33,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 18 remaining) [2024-11-08 12:09:33,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 18 remaining) [2024-11-08 12:09:33,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2024-11-08 12:09:33,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2024-11-08 12:09:33,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2024-11-08 12:09:33,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2024-11-08 12:09:33,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2024-11-08 12:09:33,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2024-11-08 12:09:33,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2024-11-08 12:09:33,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 18 remaining) [2024-11-08 12:09:33,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 18 remaining) [2024-11-08 12:09:33,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-08 12:09:33,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:33,388 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:09:33,392 INFO L317 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-11-08 12:09:33,397 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:09:33,398 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:09:33,399 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:09:33,399 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fe4245a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:09:33,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-08 12:09:33,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:33,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:33,416 INFO L85 PathProgramCache]: Analyzing trace with hash 66782519, now seen corresponding path program 1 times [2024-11-08 12:09:33,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:33,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232145589] [2024-11-08 12:09:33,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:33,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:33,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:33,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232145589] [2024-11-08 12:09:33,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232145589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:33,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:33,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:33,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784866100] [2024-11-08 12:09:33,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:33,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:33,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:33,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:33,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:33,535 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:33,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2024-11-08 12:09:33,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:33,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 12:09:33,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:33,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash 66782520, now seen corresponding path program 1 times [2024-11-08 12:09:33,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:33,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001829343] [2024-11-08 12:09:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:33,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:33,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:33,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001829343] [2024-11-08 12:09:33,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001829343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:33,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:33,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:33,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662645966] [2024-11-08 12:09:33,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:33,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:09:33,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:33,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:09:33,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:09:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:33,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:33,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-08 12:09:33,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:33,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:33,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 12:09:33,968 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:33,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash -246439012, now seen corresponding path program 1 times [2024-11-08 12:09:33,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:33,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070975372] [2024-11-08 12:09:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:34,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:34,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070975372] [2024-11-08 12:09:34,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070975372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:34,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:34,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:34,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266375367] [2024-11-08 12:09:34,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:34,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:34,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:34,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:34,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:34,058 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:34,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:34,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 12:09:34,123 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:34,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:34,123 INFO L85 PathProgramCache]: Analyzing trace with hash -246439011, now seen corresponding path program 1 times [2024-11-08 12:09:34,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:34,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018121803] [2024-11-08 12:09:34,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:34,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:34,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:34,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018121803] [2024-11-08 12:09:34,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018121803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:34,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:34,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:09:34,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165689194] [2024-11-08 12:09:34,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:34,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:09:34,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:34,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:09:34,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:09:34,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:34,456 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:34,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:34,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 12:09:34,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:34,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:34,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1829691661, now seen corresponding path program 1 times [2024-11-08 12:09:34,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:34,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872627761] [2024-11-08 12:09:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:34,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:35,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:35,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872627761] [2024-11-08 12:09:35,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872627761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:35,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:35,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 12:09:35,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507105090] [2024-11-08 12:09:35,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:35,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:35,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:35,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:35,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:35,070 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:35,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:35,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:35,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:35,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:35,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:35,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 12:09:37,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:37,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:37,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2070260269, now seen corresponding path program 1 times [2024-11-08 12:09:37,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:37,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194368775] [2024-11-08 12:09:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:37,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:37,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:37,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194368775] [2024-11-08 12:09:37,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194368775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:37,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:37,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:37,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527133002] [2024-11-08 12:09:37,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:37,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:09:37,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:37,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:09:37,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:09:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:37,391 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:37,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:37,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 12:09:37,992 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 11 more)] === [2024-11-08 12:09:37,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2070260270, now seen corresponding path program 1 times [2024-11-08 12:09:37,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:37,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403372285] [2024-11-08 12:09:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:37,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:38,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:38,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403372285] [2024-11-08 12:09:38,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403372285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:38,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:38,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:38,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51261329] [2024-11-08 12:09:38,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:38,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 12:09:38,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:38,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 12:09:38,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 12:09:38,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:38,386 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:38,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:38,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 12:09:38,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 14 remaining) [2024-11-08 12:09:38,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 14 remaining) [2024-11-08 12:09:38,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 14 remaining) [2024-11-08 12:09:38,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 14 remaining) [2024-11-08 12:09:38,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 14 remaining) [2024-11-08 12:09:38,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 14 remaining) [2024-11-08 12:09:38,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 14 remaining) [2024-11-08 12:09:38,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 14 remaining) [2024-11-08 12:09:38,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 14 remaining) [2024-11-08 12:09:38,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 14 remaining) [2024-11-08 12:09:38,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (3 of 14 remaining) [2024-11-08 12:09:38,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK (2 of 14 remaining) [2024-11-08 12:09:38,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 14 remaining) [2024-11-08 12:09:38,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 14 remaining) [2024-11-08 12:09:38,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 12:09:38,972 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:09:38,972 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-11-08 12:09:38,979 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:09:38,981 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:09:38,981 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2024-11-08 12:09:38,982 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fe4245a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:09:38,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-08 12:09:39,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:39,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:39,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1621957092, now seen corresponding path program 1 times [2024-11-08 12:09:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:39,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333752859] [2024-11-08 12:09:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:39,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:39,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:39,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333752859] [2024-11-08 12:09:39,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333752859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:39,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:39,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:39,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422448792] [2024-11-08 12:09:39,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:39,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:39,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:39,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:39,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:39,518 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:39,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:39,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:39,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 12:09:39,967 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:39,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:39,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1621957091, now seen corresponding path program 1 times [2024-11-08 12:09:39,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:39,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571453823] [2024-11-08 12:09:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:40,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:40,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571453823] [2024-11-08 12:09:40,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571453823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:40,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:40,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48337274] [2024-11-08 12:09:40,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:40,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:40,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:40,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:40,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:40,251 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:40,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:40,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:40,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:40,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:40,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 12:09:40,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:40,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2049921276, now seen corresponding path program 1 times [2024-11-08 12:09:40,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:40,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6933577] [2024-11-08 12:09:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:40,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:40,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6933577] [2024-11-08 12:09:40,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6933577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:40,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:40,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:09:40,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992257016] [2024-11-08 12:09:40,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:40,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:40,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:40,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:40,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:40,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:40,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2024-11-08 12:09:40,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:40,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:40,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:41,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 12:09:41,140 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:41,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:41,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1806103497, now seen corresponding path program 1 times [2024-11-08 12:09:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:41,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515057562] [2024-11-08 12:09:41,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:09:41,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:41,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515057562] [2024-11-08 12:09:41,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515057562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:41,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:41,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:09:41,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277726355] [2024-11-08 12:09:41,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:41,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:41,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:41,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:41,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:41,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:41,354 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:41,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:41,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 12:09:41,529 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:41,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:41,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1313567081, now seen corresponding path program 1 times [2024-11-08 12:09:41,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:41,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409886520] [2024-11-08 12:09:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:41,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:41,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:41,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409886520] [2024-11-08 12:09:41,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409886520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:41,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705859990] [2024-11-08 12:09:41,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:41,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:41,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:41,723 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:41,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 12:09:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:42,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:09:42,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:42,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:09:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:42,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705859990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:09:42,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:09:42,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 12:09:42,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638568008] [2024-11-08 12:09:42,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:09:42,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:09:42,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:42,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:09:42,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:09:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:42,283 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:42,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:42,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:42,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 12:09:42,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-08 12:09:42,834 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:42,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:42,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1506052684, now seen corresponding path program 2 times [2024-11-08 12:09:42,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:42,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279333170] [2024-11-08 12:09:42,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:42,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:43,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:43,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279333170] [2024-11-08 12:09:43,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279333170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:43,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724086178] [2024-11-08 12:09:43,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:09:43,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:43,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:43,144 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:43,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 12:09:43,547 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 12:09:43,548 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:09:43,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 12:09:43,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 12:09:44,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:09:44,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724086178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:44,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:09:44,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-11-08 12:09:44,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342668534] [2024-11-08 12:09:44,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:44,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:09:44,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:44,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:09:44,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:09:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:44,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:44,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:44,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:44,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:44,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:45,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-08 12:09:45,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-08 12:09:45,425 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:45,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:45,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1589458716, now seen corresponding path program 1 times [2024-11-08 12:09:45,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:45,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794821775] [2024-11-08 12:09:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 12:09:45,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:45,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794821775] [2024-11-08 12:09:45,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794821775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:45,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:45,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:09:45,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104669261] [2024-11-08 12:09:45,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:45,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:45,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:45,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:45,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:45,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:45,585 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:45,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:45,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:45,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:45,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 12:09:45,872 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:45,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:45,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1589458717, now seen corresponding path program 1 times [2024-11-08 12:09:45,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:45,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486544790] [2024-11-08 12:09:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:46,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:46,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486544790] [2024-11-08 12:09:46,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486544790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:46,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975093579] [2024-11-08 12:09:46,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:46,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:46,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:46,163 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:46,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 12:09:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:46,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 2141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:09:46,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:46,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:09:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:47,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975093579] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:09:47,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:09:47,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 12:09:47,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404925648] [2024-11-08 12:09:47,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:09:47,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:09:47,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:47,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:09:47,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:09:47,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:47,112 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:47,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:47,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:47,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:47,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:47,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-08 12:09:47,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-08 12:09:47,926 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:47,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:47,926 INFO L85 PathProgramCache]: Analyzing trace with hash 335901117, now seen corresponding path program 2 times [2024-11-08 12:09:47,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:47,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235337678] [2024-11-08 12:09:47,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:47,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:48,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:48,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235337678] [2024-11-08 12:09:48,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235337678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:48,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484300228] [2024-11-08 12:09:48,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:09:48,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:48,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:48,562 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:48,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-08 12:09:49,312 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:09:49,312 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:09:49,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 2597 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 12:09:49,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:49,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:09:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:50,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484300228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:09:50,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:09:50,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-08 12:09:50,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492912293] [2024-11-08 12:09:50,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:09:50,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-08 12:09:50,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:50,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-08 12:09:50,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-08 12:09:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:50,469 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:50,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.56) internal successors, (264), 25 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:50,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:50,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:50,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:50,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:50,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:50,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:50,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:50,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:50,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:09:51,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-08 12:09:51,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:51,500 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:09:51,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash -530288899, now seen corresponding path program 3 times [2024-11-08 12:09:51,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:51,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810478607] [2024-11-08 12:09:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:51,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2563 backedges. 0 proven. 2563 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:09:53,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:53,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810478607] [2024-11-08 12:09:53,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810478607] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:09:53,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646483745] [2024-11-08 12:09:53,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:09:53,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:09:53,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:09:53,410 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:09:53,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-08 12:09:54,956 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-08 12:09:54,956 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:09:54,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 12:09:54,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:09:57,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:09:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:09:57,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:09:57,702 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-08 12:09:57,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2024-11-08 12:09:57,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:09:57,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 12:09:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2563 backedges. 265 proven. 168 refuted. 0 times theorem prover too weak. 2130 trivial. 0 not checked. [2024-11-08 12:09:57,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:09:58,210 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2159 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_234| Int) (v_ArrVal_2160 Int)) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_2159) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 1604))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_234|) (not (= 400 (select (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_234| 4)) v_ArrVal_2160) .cse1)))))) is different from false [2024-11-08 12:09:58,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:09:58,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 43 [2024-11-08 12:09:58,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:09:58,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 79 [2024-11-08 12:09:58,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 53 [2024-11-08 12:09:58,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:09:58,360 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:09:58,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2024-11-08 12:09:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2563 backedges. 225 proven. 168 refuted. 0 times theorem prover too weak. 2130 trivial. 40 not checked. [2024-11-08 12:09:59,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646483745] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:09:59,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:09:59,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 8, 9] total 40 [2024-11-08 12:09:59,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646573586] [2024-11-08 12:09:59,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:09:59,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-08 12:09:59,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:59,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-08 12:09:59,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=1136, Unknown=1, NotChecked=74, Total=1560 [2024-11-08 12:09:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:59,173 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:59,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 9.2) internal successors, (368), 40 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:09:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:59,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:09:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:09:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:09:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:09:59,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:10:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:10:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:10:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:10:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:10:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-11-08 12:10:10,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-08 12:10:11,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:10:11,042 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:10:11,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:10:11,042 INFO L85 PathProgramCache]: Analyzing trace with hash -132809454, now seen corresponding path program 1 times [2024-11-08 12:10:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:10:11,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160873138] [2024-11-08 12:10:11,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:10:11,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:10:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:10:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2740 backedges. 0 proven. 2740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:10:13,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:10:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160873138] [2024-11-08 12:10:13,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160873138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:10:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839255406] [2024-11-08 12:10:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:10:13,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:10:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:10:13,172 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:10:13,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 12:10:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:10:13,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 3669 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 12:10:13,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:10:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2740 backedges. 0 proven. 2740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:10:14,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:10:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2740 backedges. 0 proven. 2740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:10:17,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839255406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:10:17,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:10:17,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 51 [2024-11-08 12:10:17,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451708284] [2024-11-08 12:10:17,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:10:17,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-08 12:10:17,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:10:17,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-08 12:10:17,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2024-11-08 12:10:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:10:17,354 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:10:17,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 11.27450980392157) internal successors, (575), 51 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:10:17,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-11-08 12:10:17,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:10:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:10:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-11-08 12:10:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-08 12:10:20,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-08 12:10:20,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-08 12:10:20,314 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:10:20,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:10:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash -141053219, now seen corresponding path program 2 times [2024-11-08 12:10:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:10:20,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691283994] [2024-11-08 12:10:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:10:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:10:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:10:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12156 backedges. 0 proven. 12156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:10:26,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:10:26,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691283994] [2024-11-08 12:10:26,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691283994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:10:26,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226384648] [2024-11-08 12:10:26,934 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:10:26,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:10:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:10:26,936 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:10:26,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 12:10:28,264 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:10:28,265 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:10:28,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 5653 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 12:10:28,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:10:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12156 backedges. 0 proven. 12156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:10:29,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:10:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12156 backedges. 0 proven. 12156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:10:38,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226384648] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:10:38,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:10:38,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 101 [2024-11-08 12:10:38,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630719123] [2024-11-08 12:10:38,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:10:38,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-11-08 12:10:38,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:10:38,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-11-08 12:10:38,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2024-11-08 12:10:38,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:10:38,491 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:10:38,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 11.376237623762377) internal successors, (1149), 101 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:10:38,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:38,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:10:38,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:10:38,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-11-08 12:10:38,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-11-08 12:10:38,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:10:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:10:47,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-11-08 12:10:47,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-08 12:10:47,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-08 12:10:47,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-08 12:10:47,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-08 12:10:47,424 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:10:47,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:10:47,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2103836532, now seen corresponding path program 3 times [2024-11-08 12:10:47,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:10:47,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17850179] [2024-11-08 12:10:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:10:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:10:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:11:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 51156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:11:11,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:11:11,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17850179] [2024-11-08 12:11:11,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17850179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:11:11,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356832928] [2024-11-08 12:11:11,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:11:11,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:11:11,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:11:11,882 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:11:11,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 12:11:16,480 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-08 12:11:16,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:11:16,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 2155 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 12:11:16,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:11:27,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:11:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:11:27,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:11:28,089 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-08 12:11:28,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2024-11-08 12:11:28,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:11:28,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-08 12:11:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 12:11:28,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 12:11:28,925 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-08 12:11:28,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2024-11-08 12:11:28,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-08 12:11:28,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 12:11:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 2201 proven. 778 refuted. 0 times theorem prover too weak. 48177 trivial. 0 not checked. [2024-11-08 12:11:29,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:11:29,904 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4959 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_4959) |c_~#queue~0.base|) (+ |c_~#queue~0.offset| 1604)) 400)) is different from false [2024-11-08 12:11:53,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:11:53,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 83 [2024-11-08 12:11:53,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:11:53,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 99 [2024-11-08 12:11:53,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:11:53,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2024-11-08 12:11:53,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 12:11:53,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:11:53,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-11-08 12:12:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 1147 proven. 782 refuted. 858 times theorem prover too weak. 48177 trivial. 192 not checked. [2024-11-08 12:12:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356832928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:12:09,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:12:09,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101, 12, 15] total 126 [2024-11-08 12:12:09,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297019833] [2024-11-08 12:12:09,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:12:09,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-11-08 12:12:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-11-08 12:12:09,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5181, Invalid=10287, Unknown=36, NotChecked=246, Total=15750 [2024-11-08 12:12:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:09,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:09,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 10.182539682539682) internal successors, (1283), 126 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:12:09,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:09,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:09,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:09,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-11-08 12:12:09,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-11-08 12:12:09,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 12:14:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-11-08 12:14:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-08 12:14:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-08 12:14:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 600 states. [2024-11-08 12:14:36,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-08 12:14:36,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-08 12:14:36,211 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 20 more)] === [2024-11-08 12:14:36,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:14:36,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1880004815, now seen corresponding path program 4 times [2024-11-08 12:14:36,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:14:36,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418081001] [2024-11-08 12:14:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:14:36,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:14:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:14:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 54435 backedges. 0 proven. 54435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:14:58,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:14:58,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418081001] [2024-11-08 12:14:58,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418081001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:14:58,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143780359] [2024-11-08 12:14:58,529 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:14:58,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:14:58,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:14:58,531 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:14:58,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf184dc-c618-4ba8-9622-59ff1c02e1f9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process