./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:35:36,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:35:36,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:35:36,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:35:36,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:35:36,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:35:36,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:35:36,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:35:36,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:35:36,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:35:36,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:35:36,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:35:36,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:35:36,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:35:36,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:35:36,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:35:36,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:35:36,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:35:36,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:35:36,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:35:36,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:35:36,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:35:36,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:35:36,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:35:36,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:35:36,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:35:36,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:35:36,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:35:36,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:35:36,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:35:36,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:35:36,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:35:36,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:35:36,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:35:36,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:35:36,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:35:36,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:35:36,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:35:36,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:35:36,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:35:36,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:35:36,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:35:36,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:35:36,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:35:36,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:35:36,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:35:36,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:35:36,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:35:36,590 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:35:36,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:35:36,590 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:35:36,590 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:35:36,591 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:35:36,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:35:36,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:35:36,592 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:35:36,592 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:35:36,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:35:36,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:35:36,593 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:35:36,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:35:36,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:35:36,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:35:36,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:35:36,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:35:36,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:35:36,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:35:36,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:35:36,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:35:36,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:35:36,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:35:36,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:35:36,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:35:36,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:35:36,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:35:36,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:35:36,597 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:35:36,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:35:36,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:35:36,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:35:36,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:35:36,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:35:36,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:35:36,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b [2022-11-19 06:35:36,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:35:36,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:35:36,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:35:36,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:35:36,908 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:35:36,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-11-19 06:35:36,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/data/fd521b7ab/ff96c7d3c56a4a0f80872ad957f491ab/FLAG2d045edca [2022-11-19 06:35:37,570 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:35:37,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-11-19 06:35:37,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/data/fd521b7ab/ff96c7d3c56a4a0f80872ad957f491ab/FLAG2d045edca [2022-11-19 06:35:37,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/data/fd521b7ab/ff96c7d3c56a4a0f80872ad957f491ab [2022-11-19 06:35:37,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:35:37,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:35:37,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:35:37,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:35:37,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:35:37,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:35:37" (1/1) ... [2022-11-19 06:35:37,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfec7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:37, skipping insertion in model container [2022-11-19 06:35:37,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:35:37" (1/1) ... [2022-11-19 06:35:37,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:35:37,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:35:38,341 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-11-19 06:35:38,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:35:38,470 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:35:38,500 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-11-19 06:35:38,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:35:38,659 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:35:38,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38 WrapperNode [2022-11-19 06:35:38,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:35:38,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:35:38,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:35:38,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:35:38,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,776 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-19 06:35:38,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:35:38,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:35:38,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:35:38,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:35:38,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:38,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:35:39,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:35:39,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:35:39,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:35:39,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (1/1) ... [2022-11-19 06:35:39,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:35:39,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:35:39,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:35:39,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:35:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:35:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:35:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:35:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:35:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:35:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:35:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:35:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:35:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:35:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:35:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:35:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:35:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:35:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:35:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:35:39,407 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:35:39,409 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:35:41,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:35:41,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:35:41,634 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-19 06:35:41,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:41 BoogieIcfgContainer [2022-11-19 06:35:41,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:35:41,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:35:41,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:35:41,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:35:41,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:35:37" (1/3) ... [2022-11-19 06:35:41,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee608aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:41, skipping insertion in model container [2022-11-19 06:35:41,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:38" (2/3) ... [2022-11-19 06:35:41,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee608aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:41, skipping insertion in model container [2022-11-19 06:35:41,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:41" (3/3) ... [2022-11-19 06:35:41,646 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-2.i [2022-11-19 06:35:41,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:35:41,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:35:41,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:35:41,744 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@686327ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:35:41,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:35:41,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 06:35:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 06:35:41,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:35:41,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:35:41,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:35:41,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:35:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-19 06:35:41,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:35:41,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774246964] [2022-11-19 06:35:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:41,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:35:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:35:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:35:42,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:35:42,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774246964] [2022-11-19 06:35:42,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774246964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:35:42,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:35:42,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:35:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953755888] [2022-11-19 06:35:42,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:35:42,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:35:42,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:35:42,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:35:42,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:35:42,085 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:35:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:35:43,600 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-19 06:35:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:35:43,607 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 06:35:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:35:43,618 INFO L225 Difference]: With dead ends: 375 [2022-11-19 06:35:43,618 INFO L226 Difference]: Without dead ends: 220 [2022-11-19 06:35:43,622 INFO L412 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 [2022-11-19 06:35:43,625 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:35:43,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 06:35:43,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-19 06:35:43,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-19 06:35:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 06:35:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-19 06:35:43,677 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-19 06:35:43,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:35:43,677 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-19 06:35:43,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:35:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-19 06:35:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 06:35:43,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:35:43,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:35:43,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:35:43,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:35:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:35:43,682 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-19 06:35:43,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:35:43,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125245773] [2022-11-19 06:35:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:43,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:35:43,989 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:35:43,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910685772] [2022-11-19 06:35:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:43,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:35:43,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:35:43,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:35:44,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:35:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:35:45,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:35:45,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:35:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:35:45,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:35:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:35:45,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:35:45,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125245773] [2022-11-19 06:35:45,622 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:35:45,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910685772] [2022-11-19 06:35:45,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910685772] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:35:45,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1143347946] [2022-11-19 06:35:45,644 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-19 06:35:45,644 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:35:45,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:35:45,654 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:35:45,654 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:35:45,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:45,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:35:45,926 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:35:45,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 06:35:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:45,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:35:45,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:35:45,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:45,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:35:45,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 06:35:46,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:35:46,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:35:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 06:35:46,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 06:35:46,565 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:35:46,566 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 06:35:46,610 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:35:46,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 06:35:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:35:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:35:46,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 06:35:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:46,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:35:47,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:35:47,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:35:47,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 06:35:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:35:47,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 06:35:47,353 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:35:55,431 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:36:02,964 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:36:02,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1143347946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:02,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:36:02,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 06:36:02,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112784340] [2022-11-19 06:36:02,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:02,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:36:02,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:02,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:36:02,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 06:36:02,975 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:36:06,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:36:07,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:07,123 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2022-11-19 06:36:07,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:36:07,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 06:36:07,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:07,126 INFO L225 Difference]: With dead ends: 262 [2022-11-19 06:36:07,126 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 06:36:07,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 06:36:07,128 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 14 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:07,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 267 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 1 Unknown, 12 Unchecked, 4.1s Time] [2022-11-19 06:36:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 06:36:07,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 06:36:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 06:36:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-19 06:36:07,155 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-19 06:36:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:07,155 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-19 06:36:07,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:36:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-19 06:36:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 06:36:07,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:07,158 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:07,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:36:07,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:07,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:07,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:07,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-19 06:36:07,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:07,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494312905] [2022-11-19 06:36:07,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:07,570 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:36:07,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573408720] [2022-11-19 06:36:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:07,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:07,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:07,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:36:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:08,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:36:08,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 06:36:09,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:36:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 06:36:09,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:09,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494312905] [2022-11-19 06:36:09,180 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:36:09,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573408720] [2022-11-19 06:36:09,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573408720] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:36:09,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [561051199] [2022-11-19 06:36:09,184 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-19 06:36:09,184 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:36:09,185 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:36:09,185 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:36:09,185 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:36:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:36:09,354 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:36:09,355 INFO L350 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 06:36:09,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:36:09,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,387 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 06:36:09,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 06:36:09,437 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:36:09,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 06:36:09,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:36:09,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 06:36:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 06:36:09,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:36:09,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:36:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:09,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:36:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:36:10,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:36:10,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:36:10,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:36:10,253 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:36:10,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-19 06:36:10,335 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:36:10,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 06:36:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:36:10,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:36:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:36:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,707 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 06:36:10,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 06:36:10,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:36:10,788 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:36:10,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 06:36:10,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:36:10,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:10,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:36:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 06:36:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 06:36:11,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:36:11,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:36:11,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:36:11,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:36:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:36:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:36:11,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:36:11,674 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:36:11,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 06:36:11,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 06:36:11,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:36:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:11,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:36:12,132 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 06:36:12,252 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:36:18,171 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:36:26,079 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:36:36,788 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:36:49,662 WARN L233 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:37:02,039 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:37:02,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [561051199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:02,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:37:02,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 06:37:02,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946681879] [2022-11-19 06:37:02,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:02,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 06:37:02,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:02,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 06:37:02,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 06:37:02,873 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:08,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:37:08,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:08,899 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-19 06:37:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 06:37:08,900 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-19 06:37:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:08,902 INFO L225 Difference]: With dead ends: 267 [2022-11-19 06:37:08,902 INFO L226 Difference]: Without dead ends: 142 [2022-11-19 06:37:08,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.6s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 06:37:08,904 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 289 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:08,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 831 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 289 Unchecked, 6.0s Time] [2022-11-19 06:37:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-19 06:37:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-19 06:37:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-19 06:37:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-19 06:37:08,939 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-19 06:37:08,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:08,939 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-19 06:37:08,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:37:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-19 06:37:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 06:37:08,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:08,942 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:08,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:37:09,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:37:09,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:37:09,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:09,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-19 06:37:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:09,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412816650] [2022-11-19 06:37:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:09,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:09,334 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:37:09,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293273443] [2022-11-19 06:37:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:09,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:37:09,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:37:09,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:37:09,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae1dccb-7733-432e-a253-b430f947f557/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:37:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:10,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:37:10,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:37:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:37:10,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:37:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:37:11,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412816650] [2022-11-19 06:37:11,051 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:37:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293273443] [2022-11-19 06:37:11,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293273443] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:37:11,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [412101254] [2022-11-19 06:37:11,056 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-19 06:37:11,056 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:37:11,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:37:11,057 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:37:11,057 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:37:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:37:11,194 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:37:11,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 06:37:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 06:37:11,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 06:37:11,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:37:11,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 06:37:11,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:37:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 06:37:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 06:37:11,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 06:37:11,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:37:11,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 06:37:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:37:11,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:11,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:37:11,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:37:12,020 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:37:12,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 06:37:12,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 06:37:12,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 06:37:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 06:37:12,298 INFO L350 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 14 treesize of output 10 [2022-11-19 06:37:12,303 INFO L350 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 16 treesize of output 12 [2022-11-19 06:37:12,310 INFO L350 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 14 treesize of output 10 [2022-11-19 06:37:12,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 06:37:12,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 06:37:12,348 INFO L350 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 66 treesize of output 65 [2022-11-19 06:37:12,375 INFO L350 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 14 treesize of output 10 [2022-11-19 06:37:12,382 INFO L350 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 14 treesize of output 10 [2022-11-19 06:37:12,388 INFO L350 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 16 treesize of output 12 [2022-11-19 06:37:12,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 06:37:12,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 06:37:12,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 06:37:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:12,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 06:37:12,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 06:37:12,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 06:37:13,964 INFO L217 Elim1Store]: Index analysis took 774 ms [2022-11-19 06:37:16,372 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 06:37:16,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-19 06:37:17,129 INFO L217 Elim1Store]: Index analysis took 595 ms [2022-11-19 06:37:23,347 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 78 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:37:23,347 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 06:37:23,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-19 06:37:36,848 WARN L233 SmtUtils]: Spent 13.46s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:37:36,849 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 06:37:36,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 06:38:01,141 WARN L233 SmtUtils]: Spent 24.15s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:38:01,142 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 06:38:01,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-19 06:38:01,958 INFO L217 Elim1Store]: Index analysis took 638 ms [2022-11-19 06:38:21,587 WARN L233 SmtUtils]: Spent 19.05s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:38:21,588 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 06:38:21,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-19 06:38:23,186 INFO L217 Elim1Store]: Index analysis took 121 ms [2022-11-19 06:38:23,864 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 06:38:23,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 06:38:23,976 INFO L350 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 [2022-11-19 06:38:24,541 INFO L217 Elim1Store]: Index analysis took 457 ms [2022-11-19 06:38:25,743 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:38:25,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 06:38:33,165 INFO L217 Elim1Store]: Index analysis took 704 ms