./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW --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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:49:06,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:49:06,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2023-11-17 22:49:06,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:49:06,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:49:06,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:49:06,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:49:06,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:49:06,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:49:06,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:49:06,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:49:06,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:49:06,903 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:49:06,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:49:06,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:49:06,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:49:06,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:49:06,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:49:06,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-17 22:49:06,907 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-17 22:49:06,907 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-17 22:49:06,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:49:06,909 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-17 22:49:06,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:49:06,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:49:06,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:49:06,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:49:06,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:49:06,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:49:06,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:49:06,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:49:06,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:49:06,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:49:06,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:49:06,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:49:06,915 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:49:06,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:49:06,915 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:49:06,916 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:49:06,916 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_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2023-11-17 22:49:07,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:49:07,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:49:07,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:49:07,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:49:07,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:49:07,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread/queue_ok.i [2023-11-17 22:49:10,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:49:10,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:49:10,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/sv-benchmarks/c/pthread/queue_ok.i [2023-11-17 22:49:10,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/data/82c4a7b0b/877ba5d53ffc4a35a54b85ec85dfe138/FLAG9b31fa301 [2023-11-17 22:49:10,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/data/82c4a7b0b/877ba5d53ffc4a35a54b85ec85dfe138 [2023-11-17 22:49:10,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:49:10,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:49:10,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:49:10,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:49:10,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:49:10,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:49:10" (1/1) ... [2023-11-17 22:49:10,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c8b63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:10, skipping insertion in model container [2023-11-17 22:49:10,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:49:10" (1/1) ... [2023-11-17 22:49:10,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:49:11,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:49:11,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:49:11,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:49:11,490 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:49:11,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11 WrapperNode [2023-11-17 22:49:11,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:49:11,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:49:11,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:49:11,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:49:11,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,596 INFO L138 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 208 [2023-11-17 22:49:11,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:49:11,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:49:11,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:49:11,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:49:11,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:49:11,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:49:11,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:49:11,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:49:11,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (1/1) ... [2023-11-17 22:49:11,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:49:11,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:11,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:49:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:49:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-17 22:49:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-17 22:49:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-17 22:49:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-17 22:49:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:49:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:49:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:49:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:49:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 22:49:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 22:49:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 22:49:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:49:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:49:11,758 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:49:11,917 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:49:11,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:49:12,582 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:49:12,595 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:49:12,597 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 22:49:12,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:49:12 BoogieIcfgContainer [2023-11-17 22:49:12,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:49:12,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:49:12,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:49:12,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:49:12,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:49:10" (1/3) ... [2023-11-17 22:49:12,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6579bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:49:12, skipping insertion in model container [2023-11-17 22:49:12,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:11" (2/3) ... [2023-11-17 22:49:12,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6579bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:49:12, skipping insertion in model container [2023-11-17 22:49:12,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:49:12" (3/3) ... [2023-11-17 22:49:12,615 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2023-11-17 22:49:12,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:49:12,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2023-11-17 22:49:12,635 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 22:49:12,875 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 22:49:12,940 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:49:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:49:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:12,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:49:12,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 22:49:13,018 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:49:13,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2023-11-17 22:49:13,043 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@639a6cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:49:13,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-17 22:49:13,497 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:13,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:13,503 INFO L85 PathProgramCache]: Analyzing trace with hash 29423060, now seen corresponding path program 1 times [2023-11-17 22:49:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:13,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92400329] [2023-11-17 22:49:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:49:13,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:13,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92400329] [2023-11-17 22:49:13,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92400329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:13,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:49:13,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:49:13,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722191694] [2023-11-17 22:49:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:13,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 22:49:13,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:13,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 22:49:13,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 22:49:13,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:13,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:13,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:14,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 22:49:14,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:14,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:14,042 INFO L85 PathProgramCache]: Analyzing trace with hash 267725654, now seen corresponding path program 1 times [2023-11-17 22:49:14,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:14,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317209999] [2023-11-17 22:49:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:49:14,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:14,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317209999] [2023-11-17 22:49:14,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317209999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:14,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:49:14,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 22:49:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628667966] [2023-11-17 22:49:14,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:14,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 22:49:14,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:14,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 22:49:14,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-17 22:49:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:14,924 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:14,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:15,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 22:49:15,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:15,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash 267725655, now seen corresponding path program 1 times [2023-11-17 22:49:15,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:15,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071773152] [2023-11-17 22:49:15,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:15,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:49:17,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:17,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071773152] [2023-11-17 22:49:17,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071773152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:17,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:49:17,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-17 22:49:17,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15516664] [2023-11-17 22:49:17,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:17,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-17 22:49:17,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:17,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-17 22:49:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-11-17 22:49:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:17,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:17,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.529411764705882) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:17,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:17,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:17,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:18,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:18,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 22:49:18,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:18,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:18,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1079037249, now seen corresponding path program 1 times [2023-11-17 22:49:18,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:18,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533517811] [2023-11-17 22:49:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:18,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 22:49:18,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:18,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533517811] [2023-11-17 22:49:18,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533517811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:18,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:49:18,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:49:18,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108196524] [2023-11-17 22:49:18,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:18,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:49:18,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:18,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:49:18,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:49:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:18,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:18,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 22:49:18,317 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:18,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1079037250, now seen corresponding path program 1 times [2023-11-17 22:49:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:18,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712632961] [2023-11-17 22:49:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 22:49:18,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:18,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712632961] [2023-11-17 22:49:18,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712632961] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:49:18,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613746992] [2023-11-17 22:49:18,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:18,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:49:18,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 22:49:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:18,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-17 22:49:18,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:49:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 22:49:18,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 22:49:18,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613746992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:18,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 22:49:18,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-17 22:49:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5750485] [2023-11-17 22:49:18,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:18,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:49:18,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:18,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:49:18,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 22:49:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:18,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:18,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:18,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:18,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:18,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:18,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:19,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 22:49:19,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:19,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:19,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:19,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1471694994, now seen corresponding path program 1 times [2023-11-17 22:49:19,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:19,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651502439] [2023-11-17 22:49:19,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:19,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-17 22:49:20,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:20,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651502439] [2023-11-17 22:49:20,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651502439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:20,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:49:20,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 22:49:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944069780] [2023-11-17 22:49:20,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:20,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:49:20,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:20,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:49:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:49:20,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:20,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:20,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:20,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:20,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:20,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:20,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:20,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-17 22:49:20,699 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:20,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash -524225332, now seen corresponding path program 1 times [2023-11-17 22:49:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:20,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885035445] [2023-11-17 22:49:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:20,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 22:49:20,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:20,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885035445] [2023-11-17 22:49:20,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885035445] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:49:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424353940] [2023-11-17 22:49:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:20,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:20,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:20,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:49:20,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 22:49:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:21,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-17 22:49:21,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:49:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-17 22:49:21,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 22:49:21,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424353940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:49:21,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 22:49:21,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-17 22:49:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772077970] [2023-11-17 22:49:21,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:49:21,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:49:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:49:21,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 22:49:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:21,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:21,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:21,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:21,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:21,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:21,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:21,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 22:49:21,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-17 22:49:21,559 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:21,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:21,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1492190251, now seen corresponding path program 1 times [2023-11-17 22:49:21,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:21,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075827933] [2023-11-17 22:49:21,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:21,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 22:49:22,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:22,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075827933] [2023-11-17 22:49:22,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075827933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:49:22,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615985486] [2023-11-17 22:49:22,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:22,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:22,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:49:22,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 22:49:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:22,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-17 22:49:22,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:49:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 22:49:23,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:49:24,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:49:24,108 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 15 treesize of output 19 [2023-11-17 22:49:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 22:49:24,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615985486] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:49:24,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:49:24,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 22 [2023-11-17 22:49:24,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661183760] [2023-11-17 22:49:24,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:49:24,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-17 22:49:24,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:49:24,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-17 22:49:24,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2023-11-17 22:49:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:24,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:49:24,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 14.363636363636363) internal successors, (316), 23 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 22:49:24,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:24,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:24,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:24,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:49:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 22:49:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 22:49:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:49:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:49:24,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 22:49:25,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-17 22:49:25,081 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2023-11-17 22:49:25,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:49:25,081 INFO L85 PathProgramCache]: Analyzing trace with hash -414089270, now seen corresponding path program 1 times [2023-11-17 22:49:25,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:49:25,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470487932] [2023-11-17 22:49:25,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:25,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:49:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:49:28,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:49:28,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470487932] [2023-11-17 22:49:28,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470487932] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:49:28,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504078660] [2023-11-17 22:49:28,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:49:28,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:49:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:49:28,272 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:49:28,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77356668-69f3-4e1b-b1be-88334470fcfe/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 22:49:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:49:28,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-17 22:49:28,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:49:28,664 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 22:49:28,665 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 11 treesize of output 11 [2023-11-17 22:49:28,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-17 22:49:29,000 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 [2023-11-17 22:49:29,089 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 19 treesize of output 18 [2023-11-17 22:49:29,588 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 16 [2023-11-17 22:49:30,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-17 22:49:30,375 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 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-17 22:49:30,731 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 [2023-11-17 22:49:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:30,921 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 [2023-11-17 22:49:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:31,359 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 [2023-11-17 22:49:31,465 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 [2023-11-17 22:49:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:31,792 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 [2023-11-17 22:49:31,910 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 [2023-11-17 22:49:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 22:49:32,106 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 [2023-11-17 22:49:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:49:32,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:49:32,881 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 84 |c_~#queue~0.offset|))) (and (forall ((v_ArrVal_475 (Array Int Int))) (<= (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse0) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse0) 4) |c_~#queue~0.offset|))))) is different from false [2023-11-17 22:49:32,971 WARN L854 $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|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) 1))) (.cse1 (+ 84 |c_~#queue~0.offset|))) (and (forall ((v_ArrVal_475 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4)))) (forall ((v_ArrVal_475 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4) 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2023-11-17 22:49:32,991 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse2 (+ 84 |c_~#queue~0.offset|))) (and (forall ((v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* (select (select (store (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473))) (store .cse0 |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select .cse0 |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) .cse1 1))) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset|))) (forall ((v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ (* (select (select (store (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473))) (store .cse3 |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select .cse3 |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) .cse1 1))) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse2) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2023-11-17 22:49:35,990 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse0 (select .cse5 .cse3)) (.cse2 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse4 (+ 84 |c_~#queue~0.offset|))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse1 (store .cse5 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_471))) (or (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ (* 4 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store .cse1 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) .cse3 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse4)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< 20 (select .cse1 .cse3))))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse6 (store .cse5 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_471))) (or (< 20 (select .cse6 .cse3)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store .cse6 .cse2 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) .cse3 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse4)) |c_~#queue~0.offset|))))))))))) is different from false [2023-11-17 22:49:38,151 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|)) (.cse2 (+ 84 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|))) (let ((.cse3 (+ 88 |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset|)) (.cse4 (+ 84 |c_~#queue~0.offset|)) (.cse0 (select .cse5 .cse2))) (and (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (or (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse1 (store .cse5 (+ |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse1 .cse2)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (store (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (store .cse1 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|) .cse2 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse4)) |c_~#queue~0.offset|)))))))) (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (or (forall ((v_ArrVal_471 Int)) (let ((.cse6 (store .cse5 (+ |c_t1Thread1of1ForFork0_enqueue_#in~q#1.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse6 .cse2)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ (* 4 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (store (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base| (store .cse6 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_t1Thread1of1ForFork0_enqueue_#in~q#1.base|) .cse2 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse4)) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) (< .cse0 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)))))) is different from false [2023-11-17 22:49:39,037 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (and (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse3 (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse0 (select .cse3 |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse2 (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse2 .cse1)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse3 |c_~#queue~0.base| (store .cse2 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4))))))))))) (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse7 (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse5 (select .cse7 |c_~#queue~0.base|))) (or (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse6 (store .cse5 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse6 .cse1)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ |c_~#queue~0.offset| 4 (* (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse7 |c_~#queue~0.base| (store .cse6 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4)) (select |c_#length| |c_~#queue~0.base|)))))))))))) is different from false [2023-11-17 22:49:39,489 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))))) (and (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse3 (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse5 (select .cse3 |c_~#queue~0.base|))) (or (forall ((v_ArrVal_471 Int)) (let ((.cse0 (store .cse5 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse0 .cse1)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ (* (select (select (store (store (store .cse2 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse3 |c_~#queue~0.base| (store .cse0 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|)))))) (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|))))) (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse7 (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse8 (select .cse7 |c_~#queue~0.base|))) (or (forall ((v_ArrVal_471 Int)) (let ((.cse6 (store .cse8 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse6 .cse1)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* (select (select (store (store (store .cse2 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse7 |c_~#queue~0.base| (store .cse6 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|)))))) (< (select .cse8 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|))))))) is different from false [2023-11-17 22:49:39,557 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork0_enqueue_#t~mem40#1| 1))))) (and (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse3 (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse5 (select .cse3 |c_~#queue~0.base|))) (or (forall ((v_ArrVal_471 Int)) (let ((.cse0 (store .cse5 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse0 .cse1)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store (store .cse2 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse3 |c_~#queue~0.base| (store .cse0 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4))))))) (< (select .cse5 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|))))) (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse8 (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse6 (select .cse8 |c_~#queue~0.base|))) (or (< (select .cse6 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse7 (store .cse6 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse7 .cse1)) (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ |c_~#queue~0.offset| 4 (* (select (select (store (store (store .cse2 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse8 |c_~#queue~0.base| (store .cse7 .cse4 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4)) (select |c_#length| |c_~#queue~0.base|)))))))))))) is different from false [2023-11-17 22:49:39,624 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 88 |c_~#queue~0.offset|)) (.cse4 (+ 84 |c_~#queue~0.offset|)) (.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse9 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse10 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store .cse9 .cse10 (+ (select .cse9 .cse10) 1)))))) (and (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse1 (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse5 (select .cse1 |c_~#queue~0.base|))) (or (forall ((v_ArrVal_471 Int)) (let ((.cse2 (store .cse5 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= (+ (* (select (select (store (store (store .cse0 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse1 |c_~#queue~0.base| (store .cse2 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse4 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (< 20 (select .cse2 .cse4))))) (< (select .cse5 .cse4) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|))))) (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int)) (let ((.cse6 (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse8 (select .cse6 |c_~#queue~0.base|))) (or (forall ((v_ArrVal_471 Int)) (let ((.cse7 (store .cse8 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (forall ((|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int) (v_ArrVal_473 (Array Int Int)) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* (select (select (store (store (store .cse0 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse6 |c_~#queue~0.base| (store .cse7 .cse3 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse4 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset|))) (< 20 (select .cse7 .cse4))))) (< (select .cse8 .cse4) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|))))))) is different from false [2023-11-17 22:49:39,955 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse8 (+ 84 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse5 (+ 88 |c_~#queue~0.offset|)) (.cse1 (+ 84 |c_~#queue~0.offset|)) (.cse7 (+ 88 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse9 (+ (select .cse6 .cse8) 1))) (and (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int)) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse6 .cse7 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse8 .cse9)))) (let ((.cse3 (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse0 (select .cse3 |c_~#queue~0.base|))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse4 (store .cse0 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (forall ((v_ArrVal_473 (Array Int Int)) (v_subst_1 Int) (v_ArrVal_475 (Array Int Int))) (<= (+ |c_~#queue~0.offset| 4 (* (select (select (store (store (store .cse2 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse3 |c_~#queue~0.base| (store .cse4 .cse5 (+ v_subst_1 1))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1) 4)) (select |c_#length| |c_~#queue~0.base|))) (< 20 (select .cse4 .cse1)))))))))) (forall ((v_ArrVal_469 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31| Int) (|t1Thread1of1ForFork0_enqueue_#t~post38#1| Int)) (let ((.cse12 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse6 .cse7 (+ 1 |t1Thread1of1ForFork0_enqueue_#t~post38#1|)) .cse8 .cse9)))) (let ((.cse13 (store .cse12 |c_~#stored_elements~0.base| v_ArrVal_469))) (let ((.cse10 (select .cse13 |c_~#queue~0.base|))) (or (< (select .cse10 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|) (forall ((v_ArrVal_471 Int)) (let ((.cse11 (store .cse10 (+ |c_~#queue~0.offset| (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_31|)) v_ArrVal_471))) (or (< 20 (select .cse11 .cse1)) (forall ((v_ArrVal_473 (Array Int Int)) (v_subst_2 Int) (v_ArrVal_475 (Array Int Int))) (<= 0 (+ (* 4 (select (select (store (store (store .cse12 |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base| (store (select (store (store .cse13 |c_~#queue~0.base| (store .cse11 .cse5 (+ v_subst_2 1))) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_473) |c_~#queue~0.base|) .cse1 1)) |c_~#stored_elements~0.base| v_ArrVal_475) |c_~#queue~0.base|) .cse1)) |c_~#queue~0.offset|)))))))))))))) is different from false [2023-11-17 22:49:48,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:49:48,809 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 2 case distinctions, treesize of input 431 treesize of output 271 [2023-11-17 22:49:48,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:49:48,832 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 339 treesize of output 335 [2023-11-17 22:49:48,861 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 241 treesize of output 225 [2023-11-17 22:49:48,883 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 133 treesize of output 121 [2023-11-17 22:49:48,931 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 17 treesize of output 9 [2023-11-17 22:49:49,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 22:49:49,123 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 144 treesize of output 142 [2023-11-17 22:49:49,613 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 62 treesize of output 54 [2023-11-17 22:49:49,651 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-17 22:49:49,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 434 treesize of output 1 [2023-11-17 22:49:56,218 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 22 treesize of output 20