./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:59:43,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:59:43,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 05:59:43,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:59:43,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:59:43,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:59:43,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:59:43,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:59:43,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:59:43,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:59:43,346 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:59:43,347 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:59:43,347 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:59:43,357 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:59:43,357 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:59:43,357 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:59:43,361 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:59:43,361 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:59:43,361 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:59:43,362 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:59:43,362 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:59:43,363 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:59:43,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 05:59:43,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 05:59:43,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:59:43,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:59:43,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:59:43,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:59:43,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:59:43,369 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 05:59:43,369 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 05:59:43,369 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 05:59:43,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:59:43,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:59:43,373 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:59:43,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:59:43,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:59:43,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:59:43,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:59:43,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:59:43,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:59:43,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:59:43,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:59:43,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:59:43,378 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:59:43,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:59:43,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:59:43,379 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:59:43,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:59:43,379 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2024-11-09 05:59:43,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:59:43,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:59:43,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:59:43,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:59:43,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:59:43,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i Unable to find full path for "g++" [2024-11-09 05:59:45,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:59:45,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:59:45,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2024-11-09 05:59:45,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/data/aeafbc874/397cc3156e784261a74f5dca2b583525/FLAG6113b126d [2024-11-09 05:59:46,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/data/aeafbc874/397cc3156e784261a74f5dca2b583525 [2024-11-09 05:59:46,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:59:46,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:59:46,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:59:46,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:59:46,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:59:46,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69250453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46, skipping insertion in model container [2024-11-09 05:59:46,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:59:46,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:59:46,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:59:46,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:59:46,575 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:59:46,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46 WrapperNode [2024-11-09 05:59:46,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:59:46,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:59:46,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:59:46,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:59:46,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,630 INFO L138 Inliner]: procedures = 122, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2024-11-09 05:59:46,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:59:46,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:59:46,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:59:46,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:59:46,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:59:46,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:59:46,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:59:46,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:59:46,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (1/1) ... [2024-11-09 05:59:46,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:59:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:59:46,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:59:46,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:59:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-09 05:59:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-09 05:59:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:59:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:59:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:59:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:59:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:59:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:59:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:59:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:59:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:59:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:59:46,929 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:59:46,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:59:46,961 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-09 05:59:47,310 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-09 05:59:47,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:59:47,375 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:59:47,375 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:59:47,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:59:47 BoogieIcfgContainer [2024-11-09 05:59:47,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:59:47,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:59:47,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:59:47,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:59:47,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:59:46" (1/3) ... [2024-11-09 05:59:47,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b87c584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:59:47, skipping insertion in model container [2024-11-09 05:59:47,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:59:46" (2/3) ... [2024-11-09 05:59:47,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b87c584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:59:47, skipping insertion in model container [2024-11-09 05:59:47,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:59:47" (3/3) ... [2024-11-09 05:59:47,389 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_circular_traversal-1.i [2024-11-09 05:59:47,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:59:47,409 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 05:59:47,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:59:47,469 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6cdd07ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:59:47,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 05:59:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 35 states have (on average 2.142857142857143) internal successors, (75), 64 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:59:47,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:47,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:59:47,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:47,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash 171477, now seen corresponding path program 1 times [2024-11-09 05:59:47,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:47,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770463816] [2024-11-09 05:59:47,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:47,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:47,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:47,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770463816] [2024-11-09 05:59:47,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770463816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:47,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:47,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:59:47,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23672379] [2024-11-09 05:59:47,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:47,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:59:47,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:47,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:59:47,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:47,773 INFO L87 Difference]: Start difference. First operand has 66 states, 35 states have (on average 2.142857142857143) internal successors, (75), 64 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:47,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:47,912 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2024-11-09 05:59:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:59:47,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 05:59:47,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:47,923 INFO L225 Difference]: With dead ends: 62 [2024-11-09 05:59:47,923 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 05:59:47,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:47,929 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:47,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 82 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:59:47,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 05:59:47,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-09 05:59:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.9375) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:47,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2024-11-09 05:59:47,967 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 3 [2024-11-09 05:59:47,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:47,967 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2024-11-09 05:59:47,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2024-11-09 05:59:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:59:47,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:47,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:59:47,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:59:47,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:47,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:47,971 INFO L85 PathProgramCache]: Analyzing trace with hash 171478, now seen corresponding path program 1 times [2024-11-09 05:59:47,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977239452] [2024-11-09 05:59:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:48,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:48,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977239452] [2024-11-09 05:59:48,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977239452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:48,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:48,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:59:48,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476196332] [2024-11-09 05:59:48,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:48,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:59:48,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:48,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:59:48,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,109 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:48,180 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2024-11-09 05:59:48,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:59:48,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 05:59:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:48,182 INFO L225 Difference]: With dead ends: 54 [2024-11-09 05:59:48,182 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 05:59:48,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,184 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 12 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:48,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 80 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:59:48,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 05:59:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 05:59:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.84375) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2024-11-09 05:59:48,191 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 3 [2024-11-09 05:59:48,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:48,192 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2024-11-09 05:59:48,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-11-09 05:59:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 05:59:48,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:48,193 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:48,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:59:48,194 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:48,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:48,195 INFO L85 PathProgramCache]: Analyzing trace with hash -547615307, now seen corresponding path program 1 times [2024-11-09 05:59:48,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:48,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876984820] [2024-11-09 05:59:48,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:48,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:48,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:48,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876984820] [2024-11-09 05:59:48,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876984820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:48,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:48,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:59:48,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678513888] [2024-11-09 05:59:48,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:48,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:59:48,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:48,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:59:48,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,355 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:48,397 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2024-11-09 05:59:48,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:59:48,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 05:59:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:48,400 INFO L225 Difference]: With dead ends: 63 [2024-11-09 05:59:48,401 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 05:59:48,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,403 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 8 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:48,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 98 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:59:48,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 05:59:48,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2024-11-09 05:59:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2024-11-09 05:59:48,412 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 7 [2024-11-09 05:59:48,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:48,413 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2024-11-09 05:59:48,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2024-11-09 05:59:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:59:48,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:48,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:48,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:59:48,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:48,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:48,415 INFO L85 PathProgramCache]: Analyzing trace with hash 203056937, now seen corresponding path program 1 times [2024-11-09 05:59:48,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:48,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615419136] [2024-11-09 05:59:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:48,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:48,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615419136] [2024-11-09 05:59:48,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615419136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:48,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:48,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:59:48,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281793923] [2024-11-09 05:59:48,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:48,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:59:48,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:48,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:59:48,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,515 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:48,572 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2024-11-09 05:59:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:59:48,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 05:59:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:48,574 INFO L225 Difference]: With dead ends: 54 [2024-11-09 05:59:48,574 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 05:59:48,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,575 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:48,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:59:48,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 05:59:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 05:59:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2024-11-09 05:59:48,581 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 8 [2024-11-09 05:59:48,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:48,581 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2024-11-09 05:59:48,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-11-09 05:59:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:59:48,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:48,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:48,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:59:48,582 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:48,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 203056938, now seen corresponding path program 1 times [2024-11-09 05:59:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521606419] [2024-11-09 05:59:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:48,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:48,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521606419] [2024-11-09 05:59:48,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521606419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:48,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:48,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:59:48,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730329755] [2024-11-09 05:59:48,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:48,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:59:48,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:48,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:59:48,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,719 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:48,762 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2024-11-09 05:59:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:59:48,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 05:59:48,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:48,764 INFO L225 Difference]: With dead ends: 52 [2024-11-09 05:59:48,764 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 05:59:48,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:59:48,765 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:48,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:59:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 05:59:48,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 05:59:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 51 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2024-11-09 05:59:48,774 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 8 [2024-11-09 05:59:48,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:48,775 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2024-11-09 05:59:48,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-11-09 05:59:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 05:59:48,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:48,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:48,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:59:48,776 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:48,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:48,777 INFO L85 PathProgramCache]: Analyzing trace with hash 486971562, now seen corresponding path program 1 times [2024-11-09 05:59:48,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:48,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905056524] [2024-11-09 05:59:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:48,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:48,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:48,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905056524] [2024-11-09 05:59:48,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905056524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:59:48,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014231045] [2024-11-09 05:59:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:48,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:59:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:59:48,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:59:48,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:59:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:49,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:59:49,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:59:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:49,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:59:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:59:49,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014231045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:59:49,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [154944750] [2024-11-09 05:59:49,174 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2024-11-09 05:59:49,175 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:59:49,178 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:59:49,185 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:59:49,185 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:59:51,538 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:59:52,327 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '715#(and (= |ULTIMATE.start_main_~data_new~0#1| 1) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (exists ((|v_#memory_int_45| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_46| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_46| (Array Int (Array Int Int))) (|v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26| Int)) (and (= (store |v_#memory_$Pointer$.base_46| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26| (store (select |v_#memory_$Pointer$.base_46| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26|) 0 |ULTIMATE.start_main_~head~1#1.base|)) |#memory_$Pointer$.base|) (= |#memory_int| (store |v_#memory_int_45| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26| (store (select |v_#memory_int_45| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26|) 0 (select (select |#memory_int| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26|) 0)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_46| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26| (store (select |v_#memory_$Pointer$.offset_46| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26|) 0 0))) (<= 4 (select |#length| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26|)) (= (select |#valid| |v_ULTIMATE.start_sll_circular_create_~last~0#1.base_26|) 1))) (= |ULTIMATE.start_main_~len~0#1| 5) (not (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)) (= |ULTIMATE.start_main_~head~1#1.offset| 0))' at error location [2024-11-09 05:59:52,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:59:52,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:59:52,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 05:59:52,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237520156] [2024-11-09 05:59:52,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:59:52,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:59:52,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:52,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:59:52,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=180, Unknown=2, NotChecked=0, Total=240 [2024-11-09 05:59:52,330 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:52,406 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2024-11-09 05:59:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:59:52,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 05:59:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:52,409 INFO L225 Difference]: With dead ends: 66 [2024-11-09 05:59:52,409 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 05:59:52,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=180, Unknown=2, NotChecked=0, Total=240 [2024-11-09 05:59:52,410 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 8 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:52,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 175 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:59:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 05:59:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 05:59:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 65 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2024-11-09 05:59:52,421 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 12 [2024-11-09 05:59:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:52,422 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2024-11-09 05:59:52,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2024-11-09 05:59:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:59:52,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:52,425 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:52,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:59:52,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:59:52,630 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:52,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:52,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1814317045, now seen corresponding path program 2 times [2024-11-09 05:59:52,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:52,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688253174] [2024-11-09 05:59:52,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:52,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 05:59:52,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:52,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688253174] [2024-11-09 05:59:52,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688253174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:52,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:52,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:59:52,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311925662] [2024-11-09 05:59:52,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:52,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:59:52,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:52,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:59:52,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:59:52,848 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:53,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:53,006 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2024-11-09 05:59:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:59:53,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-09 05:59:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:53,007 INFO L225 Difference]: With dead ends: 63 [2024-11-09 05:59:53,007 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 05:59:53,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:59:53,008 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 17 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:53,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 82 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:59:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 05:59:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-09 05:59:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 62 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2024-11-09 05:59:53,012 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 27 [2024-11-09 05:59:53,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:53,013 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2024-11-09 05:59:53,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2024-11-09 05:59:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:59:53,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:53,014 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:53,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:59:53,014 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:53,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1814317046, now seen corresponding path program 1 times [2024-11-09 05:59:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:53,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074270669] [2024-11-09 05:59:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 05:59:53,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:53,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074270669] [2024-11-09 05:59:53,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074270669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:59:53,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:59:53,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:59:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977279612] [2024-11-09 05:59:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:59:53,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:59:53,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:59:53,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:59:53,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:59:53,301 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:53,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:59:53,427 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2024-11-09 05:59:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:59:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-09 05:59:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:59:53,428 INFO L225 Difference]: With dead ends: 70 [2024-11-09 05:59:53,428 INFO L226 Difference]: Without dead ends: 70 [2024-11-09 05:59:53,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:59:53,429 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 9 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:59:53,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 124 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:59:53,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-09 05:59:53,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2024-11-09 05:59:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 65 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:53,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2024-11-09 05:59:53,433 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 27 [2024-11-09 05:59:53,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:59:53,434 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2024-11-09 05:59:53,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:59:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2024-11-09 05:59:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 05:59:53,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:59:53,435 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:59:53,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:59:53,435 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 05:59:53,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:59:53,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1338687853, now seen corresponding path program 1 times [2024-11-09 05:59:53,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:59:53,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105490707] [2024-11-09 05:59:53,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:53,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:59:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 05:59:54,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:59:54,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105490707] [2024-11-09 05:59:54,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105490707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:59:54,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518598495] [2024-11-09 05:59:54,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:59:54,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:59:54,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:59:54,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:59:54,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:59:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:59:54,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 05:59:54,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:59:54,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-09 05:59:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:59:54,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 05:59:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 05:59:54,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:59:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 05:59:55,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518598495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:59:55,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525445598] [2024-11-09 05:59:55,151 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-09 05:59:55,151 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:59:55,151 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:59:55,151 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:59:55,152 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:59:56,219 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:00:00,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1525445598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:00,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:00:00,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 6, 6] total 26 [2024-11-09 06:00:00,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408955144] [2024-11-09 06:00:00,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:00,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:00:00,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:00,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:00:00,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=594, Unknown=2, NotChecked=0, Total=702 [2024-11-09 06:00:00,700 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:03,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:00:08,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:00:10,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 06:00:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:11,574 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2024-11-09 06:00:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:00:11,575 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-09 06:00:11,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:11,575 INFO L225 Difference]: With dead ends: 66 [2024-11-09 06:00:11,575 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 06:00:11,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=128, Invalid=681, Unknown=3, NotChecked=0, Total=812 [2024-11-09 06:00:11,577 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:11,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 148 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 290 Invalid, 7 Unknown, 0 Unchecked, 7.8s Time] [2024-11-09 06:00:11,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 06:00:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 06:00:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 65 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2024-11-09 06:00:11,582 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 31 [2024-11-09 06:00:11,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:11,582 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2024-11-09 06:00:11,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2024-11-09 06:00:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 06:00:11,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:11,583 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:11,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:11,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:11,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 06:00:11,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:11,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1450451689, now seen corresponding path program 1 times [2024-11-09 06:00:11,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:11,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125035541] [2024-11-09 06:00:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:12,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:12,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125035541] [2024-11-09 06:00:12,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125035541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:12,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111567132] [2024-11-09 06:00:12,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:12,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:12,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:12,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:12,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:00:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:13,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 06:00:13,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:13,137 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 6 treesize of output 5 [2024-11-09 06:00:13,201 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-09 06:00:13,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 06:00:13,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:00:13,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:00:13,343 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 33 treesize of output 17 [2024-11-09 06:00:13,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:00:13,461 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-09 06:00:13,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2024-11-09 06:00:13,482 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-09 06:00:13,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-09 06:00:13,711 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:13,711 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 1 case distinctions, treesize of input 48 treesize of output 35 [2024-11-09 06:00:13,725 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:13,725 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 1 case distinctions, treesize of input 55 treesize of output 46 [2024-11-09 06:00:13,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:13,785 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 40 treesize of output 32 [2024-11-09 06:00:13,800 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:13,800 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 28 treesize of output 28 [2024-11-09 06:00:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:13,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:14,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111567132] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:14,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [874496337] [2024-11-09 06:00:14,467 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-09 06:00:14,467 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:14,467 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:14,467 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:14,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:00:15,891 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:00:19,128 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1682#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (exists ((|v_ULTIMATE.start_main_~ptr~0#1.base_55| Int)) (not (= (select |#valid| |v_ULTIMATE.start_main_~ptr~0#1.base_55|) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))' at error location [2024-11-09 06:00:19,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:00:19,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:00:19,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-11-09 06:00:19,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774777849] [2024-11-09 06:00:19,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:00:19,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 06:00:19,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:19,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 06:00:19,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1002, Unknown=3, NotChecked=0, Total=1122 [2024-11-09 06:00:19,131 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 21 states, 20 states have (on average 2.85) internal successors, (57), 21 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:19,993 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2024-11-09 06:00:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:00:19,993 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.85) internal successors, (57), 21 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-09 06:00:19,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:19,994 INFO L225 Difference]: With dead ends: 82 [2024-11-09 06:00:19,994 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 06:00:19,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=183, Invalid=1454, Unknown=3, NotChecked=0, Total=1640 [2024-11-09 06:00:19,995 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 86 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:19,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 248 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 06:00:19,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 06:00:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 74. [2024-11-09 06:00:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 60 states have (on average 1.4) internal successors, (84), 73 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2024-11-09 06:00:20,000 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 32 [2024-11-09 06:00:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:20,001 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2024-11-09 06:00:20,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.85) internal successors, (57), 21 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2024-11-09 06:00:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 06:00:20,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:20,002 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:20,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:20,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:20,203 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 06:00:20,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1450451690, now seen corresponding path program 1 times [2024-11-09 06:00:20,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:20,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350621269] [2024-11-09 06:00:20,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:20,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:21,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:21,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350621269] [2024-11-09 06:00:21,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350621269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:21,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145180410] [2024-11-09 06:00:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:21,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:21,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:21,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:21,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:00:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:21,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 06:00:21,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:21,504 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 [2024-11-09 06:00:21,623 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-09 06:00:21,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 06:00:21,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:00:21,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:00:21,775 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 33 treesize of output 17 [2024-11-09 06:00:21,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:00:21,882 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-09 06:00:21,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2024-11-09 06:00:21,905 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-09 06:00:21,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-09 06:00:22,090 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:22,090 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 1 case distinctions, treesize of input 48 treesize of output 35 [2024-11-09 06:00:22,099 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:22,099 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 1 case distinctions, treesize of input 55 treesize of output 46 [2024-11-09 06:00:22,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:22,147 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 40 treesize of output 32 [2024-11-09 06:00:22,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:22,163 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 28 treesize of output 28 [2024-11-09 06:00:22,242 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:22,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145180410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [315663530] [2024-11-09 06:00:23,133 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-09 06:00:23,133 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:23,133 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:23,134 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:23,134 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:00:24,667 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:00:27,223 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2079#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0))' at error location [2024-11-09 06:00:27,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:00:27,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:00:27,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 26 [2024-11-09 06:00:27,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280295429] [2024-11-09 06:00:27,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:00:27,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 06:00:27,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:27,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 06:00:27,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1335, Unknown=1, NotChecked=0, Total=1482 [2024-11-09 06:00:27,226 INFO L87 Difference]: Start difference. First operand 74 states and 84 transitions. Second operand has 27 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 27 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:28,578 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2024-11-09 06:00:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:00:28,578 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 27 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-09 06:00:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:28,580 INFO L225 Difference]: With dead ends: 89 [2024-11-09 06:00:28,580 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 06:00:28,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=267, Invalid=2182, Unknown=1, NotChecked=0, Total=2450 [2024-11-09 06:00:28,582 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 108 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:28,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 401 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 06:00:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 06:00:28,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2024-11-09 06:00:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 66 states have (on average 1.378787878787879) internal successors, (91), 78 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2024-11-09 06:00:28,588 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 32 [2024-11-09 06:00:28,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:28,588 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2024-11-09 06:00:28,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.6538461538461537) internal successors, (69), 27 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2024-11-09 06:00:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 06:00:28,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:28,589 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:28,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:00:28,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:28,791 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 06:00:28,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:28,791 INFO L85 PathProgramCache]: Analyzing trace with hash -394887289, now seen corresponding path program 1 times [2024-11-09 06:00:28,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:28,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242972050] [2024-11-09 06:00:28,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:28,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 06:00:30,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:30,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242972050] [2024-11-09 06:00:30,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242972050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:30,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385124326] [2024-11-09 06:00:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:30,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:30,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:30,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:30,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:00:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:30,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-09 06:00:30,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:30,654 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 6 treesize of output 5 [2024-11-09 06:00:30,758 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:00:30,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:00:30,817 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-09 06:00:30,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-09 06:00:30,913 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-09 06:00:30,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-09 06:00:31,048 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:00:31,152 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-09 06:00:31,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-09 06:00:31,256 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:00:31,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:00:31,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-09 06:00:31,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2024-11-09 06:00:31,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-09 06:00:31,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:00:31,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2024-11-09 06:00:31,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-09 06:00:31,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2024-11-09 06:00:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:00:31,762 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 [2024-11-09 06:00:31,778 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:31,778 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 1 case distinctions, treesize of input 50 treesize of output 33 [2024-11-09 06:00:31,796 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 20 treesize of output 15 [2024-11-09 06:00:31,844 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-09 06:00:31,845 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 42 treesize of output 26 [2024-11-09 06:00:31,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-09 06:00:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:32,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:32,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:32,947 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 1 case distinctions, treesize of input 25 treesize of output 26 [2024-11-09 06:00:32,951 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:32,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-09 06:00:32,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 06:00:32,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:32,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-11-09 06:00:32,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 122 [2024-11-09 06:00:33,006 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 25 treesize of output 21 [2024-11-09 06:00:33,013 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 28 treesize of output 20 [2024-11-09 06:00:33,059 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:33,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-11-09 06:00:33,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 122 [2024-11-09 06:00:33,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-09 06:00:33,085 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 28 treesize of output 20 [2024-11-09 06:00:33,143 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:33,144 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 1 case distinctions, treesize of input 25 treesize of output 26 [2024-11-09 06:00:33,149 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:33,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-09 06:00:33,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-09 06:00:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:00:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385124326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:34,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1630980622] [2024-11-09 06:00:34,865 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2024-11-09 06:00:34,865 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:34,865 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:34,865 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:34,866 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:00:36,079 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:00:37,774 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2527#(exists ((|v_ULTIMATE.start_main_#t~mem7#1_34| Int) (|v_ULTIMATE.start_main_~data_init~0#1_13| Int)) (and (<= 1 |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1) (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (not (= |v_ULTIMATE.start_main_#t~mem7#1_34| 1)) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (<= 0 (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (= (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) |v_ULTIMATE.start_main_#t~mem7#1_34|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |v_ULTIMATE.start_main_~data_init~0#1_13| 1)))' at error location [2024-11-09 06:00:37,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:00:37,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:00:37,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 12] total 34 [2024-11-09 06:00:37,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257782615] [2024-11-09 06:00:37,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:00:37,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-09 06:00:37,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:37,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-09 06:00:37,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2085, Unknown=4, NotChecked=0, Total=2256 [2024-11-09 06:00:37,777 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand has 35 states, 35 states have (on average 2.4857142857142858) internal successors, (87), 34 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:39,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:39,192 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2024-11-09 06:00:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 06:00:39,193 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.4857142857142858) internal successors, (87), 34 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-09 06:00:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:39,193 INFO L225 Difference]: With dead ends: 79 [2024-11-09 06:00:39,193 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 06:00:39,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 73 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=312, Invalid=3106, Unknown=4, NotChecked=0, Total=3422 [2024-11-09 06:00:39,195 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 39 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:39,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 399 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 06:00:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 06:00:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2024-11-09 06:00:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:39,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2024-11-09 06:00:39,203 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 36 [2024-11-09 06:00:39,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:39,203 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-09 06:00:39,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.4857142857142858) internal successors, (87), 34 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:00:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-11-09 06:00:39,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 06:00:39,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:39,204 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:39,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:00:39,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 06:00:39,405 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 06:00:39,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:39,405 INFO L85 PathProgramCache]: Analyzing trace with hash 643498101, now seen corresponding path program 2 times [2024-11-09 06:00:39,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:39,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057435919] [2024-11-09 06:00:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:39,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:00:41,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057435919] [2024-11-09 06:00:41,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057435919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581918524] [2024-11-09 06:00:41,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:00:41,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:41,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:41,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:00:41,416 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 06:00:41,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:00:41,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-09 06:00:41,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:41,476 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-09 06:00:41,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-09 06:00:41,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:00:41,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 06:00:41,691 INFO L349 Elim1Store]: treesize reduction 60, result has 31.0 percent of original size [2024-11-09 06:00:41,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 41 [2024-11-09 06:00:41,801 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 41 treesize of output 21 [2024-11-09 06:00:41,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:00:41,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-09 06:00:41,909 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:41,909 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 32 [2024-11-09 06:00:42,060 INFO L349 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2024-11-09 06:00:42,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 51 [2024-11-09 06:00:42,084 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-09 06:00:42,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-09 06:00:42,648 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 06:00:42,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 105 [2024-11-09 06:00:42,671 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-09 06:00:42,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 146 [2024-11-09 06:00:42,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:42,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 137 treesize of output 153 [2024-11-09 06:00:43,754 INFO L349 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2024-11-09 06:00:43,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 138 treesize of output 99 [2024-11-09 06:00:44,060 INFO L349 Elim1Store]: treesize reduction 32, result has 73.6 percent of original size [2024-11-09 06:00:44,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 130 treesize of output 155 [2024-11-09 06:00:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 06:00:45,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:51,781 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:51,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:51,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,012 INFO L349 Elim1Store]: treesize reduction 59, result has 66.5 percent of original size [2024-11-09 06:00:52,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 167 treesize of output 203 [2024-11-09 06:00:52,116 INFO L349 Elim1Store]: treesize reduction 121, result has 12.3 percent of original size [2024-11-09 06:00:52,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 225 treesize of output 176 [2024-11-09 06:00:52,140 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,146 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,159 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:52,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 232 treesize of output 226 [2024-11-09 06:00:52,208 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 75 treesize of output 67 [2024-11-09 06:00:52,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:52,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 90 [2024-11-09 06:00:52,347 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 28 treesize of output 24 [2024-11-09 06:00:52,379 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 19 treesize of output 13 [2024-11-09 06:00:52,405 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 54 treesize of output 46 [2024-11-09 06:00:52,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-09 06:00:52,448 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,448 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,452 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,578 INFO L349 Elim1Store]: treesize reduction 44, result has 70.9 percent of original size [2024-11-09 06:00:52,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 170 treesize of output 196 [2024-11-09 06:00:52,641 INFO L349 Elim1Store]: treesize reduction 130, result has 5.8 percent of original size [2024-11-09 06:00:52,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 231 treesize of output 172 [2024-11-09 06:00:52,664 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,674 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,714 INFO L349 Elim1Store]: treesize reduction 29, result has 42.0 percent of original size [2024-11-09 06:00:52,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 158 treesize of output 174 [2024-11-09 06:00:52,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 50 [2024-11-09 06:00:52,747 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,748 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,758 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,764 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:00:52,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 95 [2024-11-09 06:00:52,774 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 15 treesize of output 11 [2024-11-09 06:00:52,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-09 06:00:52,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-11-09 06:00:52,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 54 [2024-11-09 06:00:52,871 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 30 treesize of output 24 [2024-11-09 06:00:52,885 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,886 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:52,889 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,056 INFO L349 Elim1Store]: treesize reduction 59, result has 66.5 percent of original size [2024-11-09 06:00:53,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 170 treesize of output 206 [2024-11-09 06:00:53,147 INFO L349 Elim1Store]: treesize reduction 121, result has 12.3 percent of original size [2024-11-09 06:00:53,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 238 treesize of output 187 [2024-11-09 06:00:53,167 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,172 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,181 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:53,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 232 treesize of output 226 [2024-11-09 06:00:53,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:53,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 85 [2024-11-09 06:00:53,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2024-11-09 06:00:53,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-11-09 06:00:53,390 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 28 treesize of output 24 [2024-11-09 06:00:53,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-11-09 06:00:53,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2024-11-09 06:00:53,480 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,484 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,666 INFO L349 Elim1Store]: treesize reduction 84, result has 58.2 percent of original size [2024-11-09 06:00:53,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 508 treesize of output 330 [2024-11-09 06:00:53,876 INFO L349 Elim1Store]: treesize reduction 240, result has 20.0 percent of original size [2024-11-09 06:00:53,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 314 treesize of output 290 [2024-11-09 06:00:53,909 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,919 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:53,933 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:54,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 392 treesize of output 410 [2024-11-09 06:00:54,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:54,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 129 [2024-11-09 06:00:54,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:54,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 141 [2024-11-09 06:00:54,362 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 19 treesize of output 13 [2024-11-09 06:00:54,407 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 28 treesize of output 24 [2024-11-09 06:00:54,455 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:54,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 69 [2024-11-09 06:00:54,541 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 19 treesize of output 15 [2024-11-09 06:00:54,553 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,554 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,558 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,724 INFO L349 Elim1Store]: treesize reduction 44, result has 70.9 percent of original size [2024-11-09 06:00:54,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 167 treesize of output 193 [2024-11-09 06:00:54,799 INFO L349 Elim1Store]: treesize reduction 130, result has 5.8 percent of original size [2024-11-09 06:00:54,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 218 treesize of output 161 [2024-11-09 06:00:54,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,819 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,825 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,828 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,832 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:00:54,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:00:54,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 143 [2024-11-09 06:00:54,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2024-11-09 06:00:54,890 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 19 treesize of output 13 [2024-11-09 06:00:54,911 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 54 treesize of output 46 [2024-11-09 06:00:54,943 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 19 treesize of output 15 [2024-11-09 06:00:54,955 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 15 treesize of output 11 [2024-11-09 06:00:54,958 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 6 treesize of output 4 [2024-11-09 06:00:56,799 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 06:00:56,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 1 [2024-11-09 06:00:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 06:00:56,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581918524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:56,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [674288856] [2024-11-09 06:00:56,804 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-09 06:00:56,804 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:56,804 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:56,804 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:56,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:00:58,237 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:01:02,869 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2972#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~ptr~0#1.base_80| Int)) (not (= (select |#valid| |v_ULTIMATE.start_main_~ptr~0#1.base_80|) 1))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (<= 1 |ULTIMATE.start_main_~data_new~0#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0))' at error location [2024-11-09 06:01:02,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:01:02,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:01:02,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 15] total 39 [2024-11-09 06:01:02,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470090707] [2024-11-09 06:01:02,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:01:02,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-09 06:01:02,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:01:02,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-09 06:01:02,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2528, Unknown=4, NotChecked=0, Total=2756 [2024-11-09 06:01:02,872 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 40 states, 39 states have (on average 2.3333333333333335) internal successors, (91), 40 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:01:10,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:10,310 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2024-11-09 06:01:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 06:01:10,310 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 2.3333333333333335) internal successors, (91), 40 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 06:01:10,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:10,311 INFO L225 Difference]: With dead ends: 100 [2024-11-09 06:01:10,311 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 06:01:10,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1433 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=379, Invalid=3777, Unknown=4, NotChecked=0, Total=4160 [2024-11-09 06:01:10,313 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 78 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:10,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 437 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-09 06:01:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 06:01:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 79. [2024-11-09 06:01:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 66 states have (on average 1.378787878787879) internal successors, (91), 78 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:01:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2024-11-09 06:01:10,317 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 37 [2024-11-09 06:01:10,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:10,318 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2024-11-09 06:01:10,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 2.3333333333333335) internal successors, (91), 40 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:01:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2024-11-09 06:01:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 06:01:10,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:10,319 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:10,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:01:10,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 06:01:10,520 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 25 more)] === [2024-11-09 06:01:10,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:10,520 INFO L85 PathProgramCache]: Analyzing trace with hash 643498102, now seen corresponding path program 2 times [2024-11-09 06:01:10,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:10,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551178536] [2024-11-09 06:01:10,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:10,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:01:12,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:01:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551178536] [2024-11-09 06:01:12,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551178536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558222844] [2024-11-09 06:01:12,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:01:12,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:01:12,952 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:01:12,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9883e5-9279-483f-ad38-56e3d28cbd49/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:01:13,844 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 06:01:13,844 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:01:13,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-09 06:01:13,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:14,015 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2024-11-09 06:01:14,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2024-11-09 06:01:14,049 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:01:14,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:01:14,146 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:01:14,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 06:01:14,274 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 48 treesize of output 28 [2024-11-09 06:01:14,285 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 38 treesize of output 22 [2024-11-09 06:01:14,442 INFO L349 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2024-11-09 06:01:14,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 27 treesize of output 40 [2024-11-09 06:01:14,477 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-11-09 06:01:14,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-11-09 06:01:14,610 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 67 treesize of output 39 [2024-11-09 06:01:14,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2024-11-09 06:01:14,743 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 06:01:14,743 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 49 [2024-11-09 06:01:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:14,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 40 [2024-11-09 06:01:14,957 INFO L349 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2024-11-09 06:01:14,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 68 [2024-11-09 06:01:14,993 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-09 06:01:14,993 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 2 case distinctions, treesize of input 37 treesize of output 39 [2024-11-09 06:01:15,709 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 06:01:15,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 211 treesize of output 143 [2024-11-09 06:01:15,724 INFO L349 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2024-11-09 06:01:15,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 218 treesize of output 195 [2024-11-09 06:01:16,563 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-09 06:01:16,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 100 [2024-11-09 06:01:16,577 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-11-09 06:01:16,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 159 treesize of output 137 [2024-11-09 06:01:16,811 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-11-09 06:01:16,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 106 [2024-11-09 06:01:16,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:16,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 79 [2024-11-09 06:01:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 06:01:17,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:48,892 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 (select |c_#length| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse9 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse2 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|)) (.cse3 (+ 4 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|))) (and (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (forall ((v_ArrVal_1360 Int)) (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (store .cse1 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse1 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360))))) (store .cse0 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|)) (forall ((v_ArrVal_1361 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse8 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse5 (store .cse8 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse8 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse6 (store (select .cse5 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse4 (select v_ArrVal_1365 0))) (or (< .cse4 0) (not (= v_ArrVal_1365 (store (select (store .cse5 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse6) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (< .cse7 (+ 8 .cse4)) (< 0 (+ 5 (select (select (store (store .cse8 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse6) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse4)))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1360 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse18 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse11 (store .cse18 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse18 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse12 (store (select .cse11 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse10 (select v_ArrVal_1365 0))) (let ((.cse13 (select (select (store (store .cse18 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse12) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse10)) (.cse14 (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| 8))) (or (< .cse10 0) (not (= v_ArrVal_1365 (store (select (store .cse11 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse12) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (= 0 .cse13) (< (select .cse14 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (+ 8 .cse10)) (= .cse10 0) (forall ((v_ArrVal_1367 Int)) (<= (+ 8 .cse13) (select .cse14 (select (select (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (let ((.cse17 (store .cse15 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse15 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360)))) (let ((.cse16 (store (select .cse17 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (store (store .cse15 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse16) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (select (store .cse17 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse16) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 v_ArrVal_1367))))) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse10)))))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1360 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse24 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse20 (store .cse24 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse24 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse21 (store (select .cse20 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse19 (select v_ArrVal_1365 0))) (or (< .cse19 0) (not (= v_ArrVal_1365 (store (select (store .cse20 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse21) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (< (select (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| 8) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (+ 8 .cse19)) (= .cse19 0) (forall ((v_ArrVal_1367 Int)) (let ((.cse25 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (let ((.cse27 (store .cse25 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse25 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360)))) (let ((.cse26 (store (select .cse27 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse23 (select (store .cse27 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse26) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse22 (store (store .cse25 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse26) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store .cse23 4 v_ArrVal_1367)))) (or (= |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (select (select .cse22 (select .cse23 0)) .cse19)) (< (+ 7 (select (select (store (store .cse24 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse21) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse19)) (select |c_#length| (select (select .cse22 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse19))))))))))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (forall ((v_ArrVal_1360 Int)) (let ((.cse32 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (let ((.cse36 (store .cse32 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse32 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360)))) (let ((.cse33 (store (select .cse36 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse34 (select (store .cse36 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse33) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse35 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse29 (store .cse35 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse35 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse30 (store (select .cse29 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse28 (select v_ArrVal_1365 0))) (let ((.cse31 (select (select (store (store .cse35 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse30) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse28))) (or (< .cse28 0) (not (= v_ArrVal_1365 (store (select (store .cse29 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse30) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (= 0 .cse31) (< .cse7 (+ 8 .cse28)) (forall ((v_ArrVal_1367 Int)) (<= (+ 8 .cse31) (select (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| 8) (select (select (store (store .cse32 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse33) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store .cse34 4 v_ArrVal_1367)) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse28)))))))))) (= (select .cse34 0) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int)) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse40 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse38 (store .cse40 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse40 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse39 (store (select .cse38 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse37 (select v_ArrVal_1365 0))) (or (< .cse37 0) (not (= v_ArrVal_1365 (store (select (store .cse38 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse39) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (< (select (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| 8) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (+ 8 .cse37)) (= .cse37 0) (< 0 (+ 5 (select (select (store (store .cse40 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse39) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse37)))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (forall ((v_ArrVal_1360 Int)) (let ((.cse47 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (let ((.cse50 (store .cse47 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse47 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360)))) (let ((.cse48 (store (select .cse50 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse49 (select (store .cse50 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse48) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse45 (select .cse49 0))) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse46 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse42 (store .cse46 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse46 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse43 (store (select .cse42 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse41 (select v_ArrVal_1365 0))) (or (< .cse41 0) (not (= v_ArrVal_1365 (store (select (store .cse42 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse43) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (< .cse7 (+ 8 .cse41)) (forall ((v_ArrVal_1367 Int)) (let ((.cse44 (store (store .cse47 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse48) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store .cse49 4 v_ArrVal_1367)))) (or (= |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (select (select .cse44 .cse45) .cse41)) (< (+ 7 (select (select (store (store .cse46 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse43) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse41)) (select |c_#length| (select (select .cse44 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse41))))))))))) (= .cse45 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|)))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1360 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse58 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse56 (store .cse58 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse58 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse57 (store (select .cse56 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse51 (select v_ArrVal_1365 0))) (or (< .cse51 0) (forall ((v_ArrVal_1367 Int)) (= |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (select (let ((.cse52 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (let ((.cse55 (store .cse52 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse52 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360)))) (let ((.cse53 (store (select .cse55 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse54 (select (store .cse55 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse53) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (select (store (store .cse52 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse53) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store .cse54 4 v_ArrVal_1367)) (select .cse54 0)))))) .cse51))) (not (= v_ArrVal_1365 (store (select (store .cse56 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse57) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (< (select (store |c_#length| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| 8) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) (+ 8 .cse51)) (= .cse51 0) (< 0 (+ 5 (select (select (store (store .cse58 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse57) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse51)))))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)))) (forall ((v_ArrVal_1351 Int) (|v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| Int) (v_ArrVal_1354 Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0)) (forall ((v_ArrVal_1360 Int)) (let ((.cse60 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse2 .cse3 v_ArrVal_1354)))) (let ((.cse67 (store .cse60 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse60 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) 4 v_ArrVal_1360)))) (let ((.cse61 (store (select .cse67 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse62 (select (store .cse67 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse61) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|))) (let ((.cse63 (select .cse62 0))) (or (forall ((v_ArrVal_1361 Int) (v_ArrVal_1365 (Array Int Int))) (let ((.cse66 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base| (store .cse9 .cse3 v_ArrVal_1351)))) (let ((.cse64 (store .cse66 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store (store (select .cse66 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 0 |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.offset|) 4 v_ArrVal_1361)))) (let ((.cse65 (store (select .cse64 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~last~0#1.offset| 0)) (.cse59 (select v_ArrVal_1365 0))) (or (< .cse59 0) (forall ((v_ArrVal_1367 Int)) (= |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (select (select (store (store .cse60 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse61) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| (store .cse62 4 v_ArrVal_1367)) .cse63) .cse59))) (not (= v_ArrVal_1365 (store (select (store .cse64 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse65) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|) 4 (select v_ArrVal_1365 4)))) (< .cse7 (+ 8 .cse59)) (< 0 (+ 5 (select (select (store (store .cse66 |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse65) |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83| v_ArrVal_1365) |c_ULTIMATE.start_sll_circular_create_~new_head~0#1.base|) .cse59)))))))) (= .cse63 |v_ULTIMATE.start_sll_circular_create_~new_head~0#1.base_83|)))))))))))) is different from true [2024-11-09 06:01:49,063 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,251 INFO L349 Elim1Store]: treesize reduction 84, result has 58.2 percent of original size [2024-11-09 06:01:49,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 166 treesize of output 202 [2024-11-09 06:01:49,312 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,314 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,315 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,320 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,348 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2024-11-09 06:01:49,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 109 treesize of output 116 [2024-11-09 06:01:49,362 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,363 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,364 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 52 [2024-11-09 06:01:49,396 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 46 treesize of output 34 [2024-11-09 06:01:49,402 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 6 treesize of output 4 [2024-11-09 06:01:49,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-11-09 06:01:49,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-11-09 06:01:49,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-09 06:01:49,448 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 6 treesize of output 4 [2024-11-09 06:01:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:49,464 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:49,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 130 [2024-11-09 06:01:49,492 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,539 INFO L349 Elim1Store]: treesize reduction 29, result has 49.1 percent of original size [2024-11-09 06:01:49,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 59 [2024-11-09 06:01:49,551 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:49,558 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,562 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-09 06:01:49,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:49,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 34 treesize of output 27 [2024-11-09 06:01:49,596 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 23 treesize of output 19 [2024-11-09 06:01:49,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2024-11-09 06:01:49,626 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:49,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-09 06:01:49,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2024-11-09 06:01:49,674 INFO L349 Elim1Store]: treesize reduction 5, result has 73.7 percent of original size [2024-11-09 06:01:49,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 38 [2024-11-09 06:01:49,712 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,716 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,722 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 113 treesize of output 87 [2024-11-09 06:01:49,730 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,735 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:49,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 38 [2024-11-09 06:01:49,773 INFO L349 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2024-11-09 06:01:49,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 47 [2024-11-09 06:01:49,788 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 18 treesize of output 14 [2024-11-09 06:01:49,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2024-11-09 06:01:49,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2024-11-09 06:01:49,823 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:49,833 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:50,239 INFO L349 Elim1Store]: treesize reduction 84, result has 58.2 percent of original size [2024-11-09 06:01:50,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 517 treesize of output 339 [2024-11-09 06:01:50,744 INFO L349 Elim1Store]: treesize reduction 104, result has 56.8 percent of original size [2024-11-09 06:01:50,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 234 treesize of output 290 [2024-11-09 06:01:50,828 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,163 INFO L349 Elim1Store]: treesize reduction 88, result has 29.0 percent of original size [2024-11-09 06:01:51,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 598 treesize of output 566 [2024-11-09 06:01:51,396 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,420 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2024-11-09 06:01:51,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 831 treesize of output 683 [2024-11-09 06:01:51,502 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,503 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,504 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,541 INFO L349 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2024-11-09 06:01:51,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 137 treesize of output 140 [2024-11-09 06:01:51,612 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:51,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 155 [2024-11-09 06:01:51,646 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 120 treesize of output 96 [2024-11-09 06:01:51,675 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 25 treesize of output 21 [2024-11-09 06:01:51,697 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 23 treesize of output 19 [2024-11-09 06:01:51,718 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 23 treesize of output 19 [2024-11-09 06:01:51,733 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,734 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,734 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-09 06:01:51,777 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 31 treesize of output 21 [2024-11-09 06:01:51,800 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 19 treesize of output 13 [2024-11-09 06:01:51,822 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 19 treesize of output 13 [2024-11-09 06:01:51,842 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 35 treesize of output 25 [2024-11-09 06:01:51,854 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 16 treesize of output 12 [2024-11-09 06:01:51,930 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 6 treesize of output 4 [2024-11-09 06:01:51,943 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 6 treesize of output 4 [2024-11-09 06:01:51,989 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 168 [2024-11-09 06:01:52,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,094 INFO L349 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2024-11-09 06:01:52,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 92 [2024-11-09 06:01:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,125 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,131 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,132 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 67 [2024-11-09 06:01:52,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:52,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 122 [2024-11-09 06:01:52,295 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,296 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 51 treesize of output 43 [2024-11-09 06:01:52,329 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:52,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2024-11-09 06:01:52,399 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,400 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,404 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,404 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,405 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,406 WARN L200 Elim1Store]: Array PQE input equivalent to true [2024-11-09 06:01:52,415 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,416 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,422 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-11-09 06:01:52,456 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 27 treesize of output 23 [2024-11-09 06:01:52,465 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 64 treesize of output 50 [2024-11-09 06:01:52,500 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 19 treesize of output 13 [2024-11-09 06:01:52,539 INFO L349 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2024-11-09 06:01:52,540 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 73 treesize of output 72 [2024-11-09 06:01:52,580 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 21 treesize of output 15 [2024-11-09 06:01:52,594 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 31 treesize of output 25 [2024-11-09 06:01:52,600 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 27 treesize of output 21 [2024-11-09 06:01:52,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 225 [2024-11-09 06:01:52,717 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,722 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,800 INFO L349 Elim1Store]: treesize reduction 14, result has 66.7 percent of original size [2024-11-09 06:01:52,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 151 treesize of output 162 [2024-11-09 06:01:52,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:52,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:52,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 142 [2024-11-09 06:01:52,955 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 220 treesize of output 198 [2024-11-09 06:01:53,020 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:53,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 107 [2024-11-09 06:01:53,070 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 41 treesize of output 31 [2024-11-09 06:01:53,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:53,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2024-11-09 06:01:53,139 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 25 treesize of output 21 [2024-11-09 06:01:53,213 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 27 treesize of output 23 [2024-11-09 06:01:53,337 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:53,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:53,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 83 [2024-11-09 06:01:53,365 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 6 treesize of output 4 [2024-11-09 06:01:53,380 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:53,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2024-11-09 06:01:53,409 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 19 treesize of output 13 [2024-11-09 06:01:53,427 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 50 treesize of output 40 [2024-11-09 06:01:53,490 INFO L349 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2024-11-09 06:01:53,490 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 65 treesize of output 66 [2024-11-09 06:01:53,541 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,542 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,548 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,552 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:53,881 INFO L349 Elim1Store]: treesize reduction 44, result has 70.9 percent of original size [2024-11-09 06:01:53,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 157 treesize of output 184 [2024-11-09 06:01:53,900 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,245 INFO L349 Elim1Store]: treesize reduction 118, result has 51.0 percent of original size [2024-11-09 06:01:54,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 198 treesize of output 240 [2024-11-09 06:01:54,297 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,302 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,318 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,320 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,495 INFO L349 Elim1Store]: treesize reduction 30, result has 62.0 percent of original size [2024-11-09 06:01:54,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 200 treesize of output 235 [2024-11-09 06:01:54,548 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,659 INFO L349 Elim1Store]: treesize reduction 88, result has 18.5 percent of original size [2024-11-09 06:01:54,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 160 treesize of output 137 [2024-11-09 06:01:54,677 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,689 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,726 INFO L349 Elim1Store]: treesize reduction 33, result has 19.5 percent of original size [2024-11-09 06:01:54,726 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 4 case distinctions, treesize of input 93 treesize of output 66 [2024-11-09 06:01:54,756 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,758 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:54,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 66 [2024-11-09 06:01:54,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-09 06:01:54,896 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,900 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:54,945 INFO L349 Elim1Store]: treesize reduction 42, result has 23.6 percent of original size [2024-11-09 06:01:54,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 183 treesize of output 118 [2024-11-09 06:01:55,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-11-09 06:01:55,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2024-11-09 06:01:55,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-09 06:01:55,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2024-11-09 06:01:55,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:55,161 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2024-11-09 06:01:55,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 29 [2024-11-09 06:01:55,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-09 06:01:55,191 INFO L349 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2024-11-09 06:01:55,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 73 [2024-11-09 06:01:55,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:55,206 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 1 case distinctions, treesize of input 55 treesize of output 53 [2024-11-09 06:01:55,215 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 18 [2024-11-09 06:01:55,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-09 06:01:55,267 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,588 INFO L349 Elim1Store]: treesize reduction 84, result has 58.2 percent of original size [2024-11-09 06:01:55,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 166 treesize of output 202 [2024-11-09 06:01:55,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:55,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:55,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 130 [2024-11-09 06:01:55,665 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,706 INFO L349 Elim1Store]: treesize reduction 29, result has 49.1 percent of original size [2024-11-09 06:01:55,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 59 [2024-11-09 06:01:55,716 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,716 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:55,723 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-09 06:01:55,744 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 25 treesize of output 21 [2024-11-09 06:01:55,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:55,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 32 treesize of output 25 [2024-11-09 06:01:55,804 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,804 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 45 treesize of output 35 [2024-11-09 06:01:55,831 INFO L349 Elim1Store]: treesize reduction 11, result has 47.6 percent of original size [2024-11-09 06:01:55,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 35 [2024-11-09 06:01:55,842 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 21 treesize of output 15 [2024-11-09 06:01:55,877 INFO L349 Elim1Store]: treesize reduction 5, result has 73.7 percent of original size [2024-11-09 06:01:55,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 33 [2024-11-09 06:01:55,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,921 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,945 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2024-11-09 06:01:55,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 109 treesize of output 116 [2024-11-09 06:01:55,954 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,955 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,955 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 52 [2024-11-09 06:01:55,983 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,984 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 19 treesize of output 13 [2024-11-09 06:01:55,993 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:55,994 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 19 treesize of output 13 [2024-11-09 06:01:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:56,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2024-11-09 06:01:56,017 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 29 treesize of output 21 [2024-11-09 06:01:56,023 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 6 treesize of output 4 [2024-11-09 06:01:56,033 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 6 treesize of output 4 [2024-11-09 06:01:56,051 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:56,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:56,058 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 101 treesize of output 75 [2024-11-09 06:01:56,063 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:56,068 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:56,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:56,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 26 [2024-11-09 06:01:56,079 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 19 treesize of output 13 [2024-11-09 06:01:56,084 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 6 treesize of output 4 [2024-11-09 06:01:56,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:56,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 38 [2024-11-09 06:01:56,120 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 18 treesize of output 14 [2024-11-09 06:01:56,134 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:56,146 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:56,557 INFO L349 Elim1Store]: treesize reduction 94, result has 53.2 percent of original size [2024-11-09 06:01:56,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 497 treesize of output 309 [2024-11-09 06:01:56,582 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:57,026 INFO L349 Elim1Store]: treesize reduction 118, result has 51.0 percent of original size [2024-11-09 06:01:57,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 234 treesize of output 276 [2024-11-09 06:01:57,089 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:57,112 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:57,486 INFO L349 Elim1Store]: treesize reduction 154, result has 36.6 percent of original size [2024-11-09 06:01:57,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 615 treesize of output 751 [2024-11-09 06:01:57,573 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:57,684 INFO L349 Elim1Store]: treesize reduction 88, result has 18.5 percent of original size [2024-11-09 06:01:57,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 313 treesize of output 284 [2024-11-09 06:01:57,751 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:57,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:57,982 INFO L349 Elim1Store]: treesize reduction 196, result has 29.0 percent of original size [2024-11-09 06:01:57,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 586 treesize of output 699 [2024-11-09 06:01:58,160 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 299 treesize of output 263 [2024-11-09 06:01:58,194 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 6 treesize of output 4 [2024-11-09 06:01:58,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 275 treesize of output 253 [2024-11-09 06:01:58,388 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 49 treesize of output 43 [2024-11-09 06:01:58,747 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 6 treesize of output 4 [2024-11-09 06:01:58,773 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:58,774 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:58,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:01:58,817 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-09 06:01:58,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 61 [2024-11-09 06:01:58,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2024-11-09 06:01:58,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2024-11-09 06:01:59,031 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:01:59,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 87 [2024-11-09 06:01:59,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 159 [2024-11-09 06:01:59,348 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:59,359 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:01:59,371 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-11-09 06:01:59,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 178 treesize of output 152 [2024-11-09 06:01:59,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2024-11-09 06:01:59,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 145 [2024-11-09 06:02:00,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:02:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:02:00,223 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-09 06:02:00,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1021 treesize of output 986 [2024-11-09 06:02:00,958 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-09 06:02:00,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3236 treesize of output 2654 [2024-11-09 06:02:01,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 721 treesize of output 719 [2024-11-09 06:02:01,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 719 treesize of output 717 [2024-11-09 06:02:01,128 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 717 treesize of output 715 [2024-11-09 06:02:01,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-09 06:02:01,377 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 6 treesize of output 4 [2024-11-09 06:02:01,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:02:01,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 100 [2024-11-09 06:02:01,570 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:01,582 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:02,096 INFO L349 Elim1Store]: treesize reduction 84, result has 58.2 percent of original size [2024-11-09 06:02:02,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 252 treesize of output 288 [2024-11-09 06:02:02,436 INFO L349 Elim1Store]: treesize reduction 104, result has 56.8 percent of original size [2024-11-09 06:02:02,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 323 treesize of output 321 [2024-11-09 06:02:02,495 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:02,971 INFO L349 Elim1Store]: treesize reduction 144, result has 40.7 percent of original size [2024-11-09 06:02:02,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 507 treesize of output 653 [2024-11-09 06:02:03,212 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:03,213 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:03,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:03,250 INFO L349 Elim1Store]: treesize reduction 22, result has 51.1 percent of original size [2024-11-09 06:02:03,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 163 treesize of output 162 [2024-11-09 06:02:03,262 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 6 treesize of output 4 [2024-11-09 06:02:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:02:03,306 INFO L349 Elim1Store]: treesize reduction 139, result has 0.7 percent of original size [2024-11-09 06:02:03,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 391 treesize of output 254 [2024-11-09 06:02:03,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:06,292 INFO L349 Elim1Store]: treesize reduction 1614, result has 10.2 percent of original size [2024-11-09 06:02:06,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 14 new quantified variables, introduced 77 case distinctions, treesize of input 3698 treesize of output 4921 [2024-11-09 06:02:08,685 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:08,685 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:08,695 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:08,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:39,595 WARN L286 SmtUtils]: Spent 30.18s on a formula simplification. DAG size of input: 6673 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:02:39,596 INFO L349 Elim1Store]: treesize reduction 53522, result has 0.0 percent of original size [2024-11-09 06:02:39,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 86 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 94 new quantified variables, introduced 998 case distinctions, treesize of input 94841 treesize of output 1 [2024-11-09 06:02:40,140 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:40,141 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:40,143 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:41,067 INFO L349 Elim1Store]: treesize reduction 7926, result has 0.0 percent of original size [2024-11-09 06:02:41,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 26 new quantified variables, introduced 217 case distinctions, treesize of input 34677 treesize of output 1 [2024-11-09 06:02:41,248 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:41,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:41,251 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:42,298 INFO L349 Elim1Store]: treesize reduction 7926, result has 0.0 percent of original size [2024-11-09 06:02:42,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 26 new quantified variables, introduced 217 case distinctions, treesize of input 34677 treesize of output 1 [2024-11-09 06:02:42,342 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:42,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:02:42,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:19,379 WARN L286 SmtUtils]: Spent 36.45s on a formula simplification. DAG size of input: 6299 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:03:19,379 INFO L349 Elim1Store]: treesize reduction 47110, result has 0.0 percent of original size [2024-11-09 06:03:19,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 80 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 88 new quantified variables, introduced 928 case distinctions, treesize of input 61553 treesize of output 1 [2024-11-09 06:03:19,449 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:19,452 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:19,464 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:19,464 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:48,865 WARN L286 SmtUtils]: Spent 28.85s on a formula simplification. DAG size of input: 6265 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:03:48,865 INFO L349 Elim1Store]: treesize reduction 50250, result has 0.0 percent of original size [2024-11-09 06:03:48,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 82 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 90 new quantified variables, introduced 950 case distinctions, treesize of input 75775 treesize of output 1 [2024-11-09 06:03:49,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,227 INFO L349 Elim1Store]: treesize reduction 2499, result has 0.0 percent of original size [2024-11-09 06:03:49,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 24 new quantified variables, introduced 188 case distinctions, treesize of input 10188 treesize of output 1 [2024-11-09 06:03:49,267 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,267 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,276 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,452 INFO L349 Elim1Store]: treesize reduction 3635, result has 0.0 percent of original size [2024-11-09 06:03:49,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 24 new quantified variables, introduced 188 case distinctions, treesize of input 27711 treesize of output 1 [2024-11-09 06:03:49,539 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,539 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,540 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,553 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,553 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,675 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,676 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:49,677 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:50,608 INFO L349 Elim1Store]: treesize reduction 7926, result has 0.0 percent of original size [2024-11-09 06:03:50,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 26 new quantified variables, introduced 217 case distinctions, treesize of input 34677 treesize of output 1 [2024-11-09 06:03:50,655 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:50,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:50,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:03:50,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:22,982 WARN L286 SmtUtils]: Spent 31.78s on a formula simplification. DAG size of input: 6469 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:04:22,983 INFO L349 Elim1Store]: treesize reduction 51886, result has 0.0 percent of original size [2024-11-09 06:04:22,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 84 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 92 new quantified variables, introduced 974 case distinctions, treesize of input 74890 treesize of output 1 [2024-11-09 06:04:23,034 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,034 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,044 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,359 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,360 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,362 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,546 INFO L349 Elim1Store]: treesize reduction 2499, result has 0.0 percent of original size [2024-11-09 06:04:23,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 24 new quantified variables, introduced 188 case distinctions, treesize of input 10188 treesize of output 1 [2024-11-09 06:04:23,586 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,587 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,596 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,798 INFO L349 Elim1Store]: treesize reduction 3635, result has 0.0 percent of original size [2024-11-09 06:04:23,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 24 new quantified variables, introduced 188 case distinctions, treesize of input 27711 treesize of output 1 [2024-11-09 06:04:23,839 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,839 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:23,846 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:24,097 INFO L349 Elim1Store]: treesize reduction 3660, result has 0.0 percent of original size [2024-11-09 06:04:24,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 26 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 24 new quantified variables, introduced 194 case distinctions, treesize of input 22455 treesize of output 1 [2024-11-09 06:04:24,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:24,210 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:24,212 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:25,082 INFO L349 Elim1Store]: treesize reduction 7926, result has 0.0 percent of original size [2024-11-09 06:04:25,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 26 new quantified variables, introduced 217 case distinctions, treesize of input 34677 treesize of output 1 [2024-11-09 06:04:25,145 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:25,146 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:25,148 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:26,015 INFO L349 Elim1Store]: treesize reduction 7926, result has 0.0 percent of original size [2024-11-09 06:04:26,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 26 new quantified variables, introduced 217 case distinctions, treesize of input 34677 treesize of output 1 [2024-11-09 06:04:26,803 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:26,803 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:26,805 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,657 INFO L349 Elim1Store]: treesize reduction 7926, result has 0.0 percent of original size [2024-11-09 06:04:27,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 25 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 26 new quantified variables, introduced 217 case distinctions, treesize of input 34997 treesize of output 1 [2024-11-09 06:04:27,727 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,727 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,728 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,731 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,949 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,950 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:27,960 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:04:47,762 WARN L286 SmtUtils]: Spent 19.73s on a formula simplification. DAG size of input: 527 DAG size of output: 101 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:04:47,762 INFO L349 Elim1Store]: treesize reduction 3488, result has 4.7 percent of original size [2024-11-09 06:04:47,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 27 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 24 new quantified variables, introduced 200 case distinctions, treesize of input 21974 treesize of output 25967 [2024-11-09 06:05:43,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,639 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,639 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,643 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,646 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,650 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,653 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,653 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,668 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,669 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,670 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:43,670 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:45,255 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:45,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:51,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:05:51,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:06:07,622 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:06:07,622 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:06:19,156 INFO L173 IndexEqualityManager]: detected equality via solver