./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/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_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/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_07814365-eec0-48eb-839b-7753100d150e/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 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 --- 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 06:40:26,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:40:26,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:40:26,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:40:26,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:40:26,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:40:26,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:40:26,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:40:26,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:40:26,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:40:26,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:40:26,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:40:26,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:40:26,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:40:26,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:40:26,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:40:26,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:40:26,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:40:26,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:40:26,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:40:26,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:40:26,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:40:26,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:40:26,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:40:26,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:40:26,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:40:26,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:40:26,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:40:26,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:40:26,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:40:26,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:40:26,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:40:26,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:40:26,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:40:26,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:40:26,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:40:26,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:40:26,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:40:26,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:40:26,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:40:26,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:40:26,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:40:26,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:40:26,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:40:26,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:40:26,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:40:26,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:40:26,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:40:26,591 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:40:26,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:40:26,592 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:40:26,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:40:26,594 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:40:26,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:40:26,594 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:40:26,595 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:40:26,595 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:40:26,595 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:40:26,596 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:40:26,596 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:40:26,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:40:26,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:40:26,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:40:26,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:40:26,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:40:26,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:40:26,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:40:26,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:40:26,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:40:26,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:40:26,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:40:26,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:40:26,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:40:26,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:40:26,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:26,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:40:26,603 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:40:26,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:40:26,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:40:26,604 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:40:26,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:40:26,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:40:26,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:40:26,605 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_07814365-eec0-48eb-839b-7753100d150e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 [2022-11-19 06:40:26,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:40:27,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:40:27,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:40:27,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:40:27,014 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:40:27,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2022-11-19 06:40:27,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/data/2794d213d/c2768dff46aa454ca43c1598727db637/FLAGe7c89d198 [2022-11-19 06:40:27,906 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:40:27,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2022-11-19 06:40:27,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/data/2794d213d/c2768dff46aa454ca43c1598727db637/FLAGe7c89d198 [2022-11-19 06:40:28,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/data/2794d213d/c2768dff46aa454ca43c1598727db637 [2022-11-19 06:40:28,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:40:28,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:40:28,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:28,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:40:28,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:40:28,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:28" (1/1) ... [2022-11-19 06:40:28,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6261165f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:28, skipping insertion in model container [2022-11-19 06:40:28,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:28" (1/1) ... [2022-11-19 06:40:28,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:40:28,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:40:28,847 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_07814365-eec0-48eb-839b-7753100d150e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[33021,33034] [2022-11-19 06:40:29,043 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_07814365-eec0-48eb-839b-7753100d150e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[49681,49694] [2022-11-19 06:40:29,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:29,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:40:29,109 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_07814365-eec0-48eb-839b-7753100d150e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[33021,33034] [2022-11-19 06:40:29,215 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_07814365-eec0-48eb-839b-7753100d150e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[49681,49694] [2022-11-19 06:40:29,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:29,287 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:40:29,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29 WrapperNode [2022-11-19 06:40:29,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:29,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:29,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:40:29,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:40:29,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,449 INFO L138 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1686 [2022-11-19 06:40:29,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:29,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:40:29,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:40:29,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:40:29,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:40:29,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:40:29,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:40:29,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:40:29,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (1/1) ... [2022-11-19 06:40:29,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:29,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:29,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:40:29,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:40:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:40:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:40:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:40:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:40:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:40:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:40:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:40:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:40:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:40:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:40:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:40:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:40:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:40:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:40:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:40:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:40:30,214 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:40:30,216 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:40:32,793 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:40:33,655 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:40:33,656 INFO L300 CfgBuilder]: Removed 100 assume(true) statements. [2022-11-19 06:40:33,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:40:33 BoogieIcfgContainer [2022-11-19 06:40:33,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:40:33,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:40:33,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:40:33,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:40:33,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:40:28" (1/3) ... [2022-11-19 06:40:33,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ad8be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:40:33, skipping insertion in model container [2022-11-19 06:40:33,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:29" (2/3) ... [2022-11-19 06:40:33,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ad8be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:40:33, skipping insertion in model container [2022-11-19 06:40:33,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:40:33" (3/3) ... [2022-11-19 06:40:33,679 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-3.i [2022-11-19 06:40:33,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:40:33,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 06:40:33,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:40:33,804 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;@9a93831, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:40:33,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 06:40:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 06:40:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:40:33,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:33,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:40:33,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:33,828 INFO L85 PathProgramCache]: Analyzing trace with hash 274883441, now seen corresponding path program 1 times [2022-11-19 06:40:33,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:33,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713843856] [2022-11-19 06:40:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:33,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:34,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:34,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713843856] [2022-11-19 06:40:34,046 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 06:40:34,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128196453] [2022-11-19 06:40:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:34,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:34,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:34,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:34,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:40:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:34,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 06:40:34,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:34,437 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 06:40:34,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:40:34,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128196453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:34,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:34,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:40:34,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070873500] [2022-11-19 06:40:34,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:34,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:40:34,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:34,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:40:34,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:40:34,511 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:36,099 INFO L93 Difference]: Finished difference Result 353 states and 632 transitions. [2022-11-19 06:40:36,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:40:36,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:40:36,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:36,118 INFO L225 Difference]: With dead ends: 353 [2022-11-19 06:40:36,118 INFO L226 Difference]: Without dead ends: 150 [2022-11-19 06:40:36,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:40:36,127 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:36,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 06:40:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-19 06:40:36,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-19 06:40:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 06:40:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-19 06:40:36,188 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-19 06:40:36,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:36,189 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-19 06:40:36,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:36,190 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-19 06:40:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 06:40:36,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:36,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:40:36,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:40:36,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 06:40:36,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:36,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:36,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1671934868, now seen corresponding path program 1 times [2022-11-19 06:40:36,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:36,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224884229] [2022-11-19 06:40:36,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:36,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:36,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224884229] [2022-11-19 06:40:36,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 06:40:36,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908204426] [2022-11-19 06:40:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:36,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:36,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:36,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:36,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:40:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:36,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:40:36,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:36,929 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 06:40:36,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:40:36,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908204426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:36,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:36,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:40:36,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009150128] [2022-11-19 06:40:36,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:36,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:40:36,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:36,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:40:36,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:40:36,935 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:39,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:40:39,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:39,598 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-19 06:40:39,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:40:39,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-19 06:40:39,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:39,610 INFO L225 Difference]: With dead ends: 342 [2022-11-19 06:40:39,610 INFO L226 Difference]: Without dead ends: 290 [2022-11-19 06:40:39,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 06:40:39,613 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:39,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-19 06:40:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-19 06:40:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-19 06:40:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 06:40:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-19 06:40:39,639 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-19 06:40:39,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:39,640 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-19 06:40:39,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:40:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-19 06:40:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 06:40:39,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:39,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:40:39,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:40:39,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:39,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:39,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:39,851 INFO L85 PathProgramCache]: Analyzing trace with hash 700872651, now seen corresponding path program 1 times [2022-11-19 06:40:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:39,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594199780] [2022-11-19 06:40:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:40,176 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:40:40,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912005539] [2022-11-19 06:40:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:40,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:40:40,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:40,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:40:40,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:40:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:41,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:40:41,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:40:41,949 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 06:40:41,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:40:42,061 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 06:40:42,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:42,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594199780] [2022-11-19 06:40:42,063 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:40:42,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912005539] [2022-11-19 06:40:42,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912005539] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:40:42,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [989331487] [2022-11-19 06:40:42,096 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-19 06:40:42,096 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:40:42,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:40:42,108 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:40:42,109 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:40:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,341 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:40:42,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 06:40:42,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,365 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 06:40:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,430 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 06:40:42,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:40:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,468 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 06:40:42,469 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 06:40:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,537 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:40:42,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 06:40:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,568 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 06:40:42,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:42,583 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 22 treesize of output 30 [2022-11-19 06:40:43,264 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 06:40:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,344 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 06:40:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:43,433 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 06:40:43,491 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 06:40:44,017 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 06:40:44,038 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 06:40:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,111 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 06:40:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:40:44,172 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 06:40:44,226 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:40:51,941 WARN L233 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:41:00,571 WARN L233 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:41:00,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [989331487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:41:00,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:41:00,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 06:41:00,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705992748] [2022-11-19 06:41:00,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:41:00,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:41:00,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:41:00,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:41:00,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-19 06:41:00,582 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:05,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:41:07,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:41:07,012 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-11-19 06:41:07,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:41:07,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-11-19 06:41:07,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:41:07,015 INFO L225 Difference]: With dead ends: 310 [2022-11-19 06:41:07,015 INFO L226 Difference]: Without dead ends: 161 [2022-11-19 06:41:07,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-19 06:41:07,025 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 7 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:41:07,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 586 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 1 Unknown, 81 Unchecked, 6.4s Time] [2022-11-19 06:41:07,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-19 06:41:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-19 06:41:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 06:41:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-19 06:41:07,084 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-19 06:41:07,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:41:07,084 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-19 06:41:07,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:41:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-19 06:41:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-19 06:41:07,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:41:07,091 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:41:07,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 06:41:07,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:07,294 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:41:07,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:41:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash -385397690, now seen corresponding path program 1 times [2022-11-19 06:41:07,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:41:07,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863983607] [2022-11-19 06:41:07,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:41:07,514 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:41:07,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [979680192] [2022-11-19 06:41:07,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:41:07,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:41:07,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:41:07,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:41:07,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:41:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:41:08,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:41:08,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:41:09,080 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 06:41:09,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:41:09,222 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 06:41:09,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:41:09,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863983607] [2022-11-19 06:41:09,223 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:41:09,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979680192] [2022-11-19 06:41:09,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979680192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:41:09,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1636326569] [2022-11-19 06:41:09,229 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 06:41:09,229 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:41:09,230 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:41:09,230 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:41:09,230 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:41:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,376 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:41:09,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 06:41:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,394 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 06:41:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,478 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:41:09,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 06:41:09,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,502 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 06:41:09,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,566 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:41:09,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 06:41:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:41:09,589 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 06:41:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:09,615 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 06:41:10,068 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 06:41:10,089 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 06:41:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,148 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 06:41:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,201 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 06:41:10,265 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 06:41:10,282 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 06:41:10,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,405 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 06:41:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,496 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 06:41:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,623 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 06:41:10,667 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 06:41:10,702 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 06:41:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,798 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:41:10,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 06:41:10,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:10,914 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:41:10,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 06:41:11,767 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 06:41:11,788 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 06:41:11,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,858 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 06:41:11,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:11,935 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 06:41:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,065 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 9897003 treesize of output 5376293 [2022-11-19 06:41:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,127 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 9897003 treesize of output 5376293 [2022-11-19 06:41:12,169 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 06:41:12,185 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 06:41:12,255 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 06:41:12,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,303 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 06:41:12,354 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 06:41:12,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,457 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:41:12,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 06:41:12,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:41:12,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-19 06:41:12,994 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-19 06:41:13,139 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:41:20,016 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:41:28,177 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:41:39,196 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:41:52,073 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:42:06,169 WARN L233 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:42:06,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1636326569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:42:06,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:42:06,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 06:42:06,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295372142] [2022-11-19 06:42:06,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:42:06,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 06:42:06,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:42:06,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 06:42:06,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 06:42:06,980 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:42:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:42:10,461 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-19 06:42:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 06:42:10,462 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-11-19 06:42:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:42:10,464 INFO L225 Difference]: With dead ends: 315 [2022-11-19 06:42:10,464 INFO L226 Difference]: Without dead ends: 166 [2022-11-19 06:42:10,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 53.8s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 06:42:10,466 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 8 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 193 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:42:10,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 616 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 193 Unchecked, 3.4s Time] [2022-11-19 06:42:10,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-19 06:42:10,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-19 06:42:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 06:42:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-19 06:42:10,503 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-19 06:42:10,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:42:10,503 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-19 06:42:10,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:42:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-19 06:42:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 06:42:10,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:42:10,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:42:10,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 06:42:10,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:10,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:42:10,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:42:10,721 INFO L85 PathProgramCache]: Analyzing trace with hash -102741374, now seen corresponding path program 1 times [2022-11-19 06:42:10,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:42:10,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530736952] [2022-11-19 06:42:10,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:42:10,933 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:42:10,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749532931] [2022-11-19 06:42:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:42:10,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:42:10,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:42:10,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:42:10,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07814365-eec0-48eb-839b-7753100d150e/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 06:42:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:42:12,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:42:12,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:42:12,647 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 06:42:12,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:42:12,799 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 06:42:12,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:42:12,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530736952] [2022-11-19 06:42:12,800 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:42:12,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749532931] [2022-11-19 06:42:12,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749532931] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:42:12,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [499983817] [2022-11-19 06:42:12,805 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 06:42:12,805 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:42:12,806 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:42:12,806 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:42:12,806 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:42:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:12,938 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:42:12,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 06:42:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:12,955 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 06:42:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:12,988 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 06:42:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,044 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:42:13,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 06:42:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,114 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:42:13,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 06:42:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:42:13,206 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 06:42:13,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,235 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 06:42:13,589 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 06:42:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,653 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 06:42:13,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,714 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 06:42:13,758 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 06:42:13,844 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 06:42:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,919 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 06:42:13,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:13,983 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 06:42:14,018 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 06:42:14,083 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 06:42:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,177 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:42:14,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 06:42:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,290 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:42:14,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 06:42:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,359 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 06:42:14,405 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 06:42:14,600 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 06:42:14,606 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 06:42:14,614 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 06:42:14,644 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 06:42:14,655 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 06:42:14,665 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 06:42:14,728 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 06:42:14,735 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 06:42:14,743 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 06:42:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:14,856 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 06:42:14,901 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 06:42:14,925 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 06:42:15,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:42:15,160 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 06:42:15,185 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 06:42:15,207 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 06:42:17,022 INFO L217 Elim1Store]: Index analysis took 1444 ms [2022-11-19 06:42:27,914 WARN L233 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:42:27,914 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 06:42:27,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 10752723 treesize of output 10752742 [2022-11-19 06:42:32,622 INFO L217 Elim1Store]: Index analysis took 4469 ms [2022-11-19 06:42:33,515 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 06:42:33,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 10752718 treesize of output 10752722 [2022-11-19 06:46:15,583 WARN L233 SmtUtils]: Spent 3.70m on a formula simplification. DAG size of input: 198 DAG size of output: 104 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:46:15,583 INFO L321 Elim1Store]: treesize reduction 1636, result has 23.4 percent of original size [2022-11-19 06:46:15,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5832 [2022-11-19 06:46:16,434 INFO L217 Elim1Store]: Index analysis took 267 ms [2022-11-19 06:48:12,912 WARN L233 SmtUtils]: Spent 1.94m 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 06:48:12,913 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 06:48:12,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 7135 treesize of output 5975 [2022-11-19 06:48:19,658 INFO L217 Elim1Store]: Index analysis took 4727 ms