./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh --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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- 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-2329fc7 [2022-12-14 04:46:21,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:46:21,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:46:21,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:46:21,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:46:21,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:46:21,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:46:21,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:46:21,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:46:21,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:46:21,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:46:21,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:46:21,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:46:21,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:46:21,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:46:21,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:46:21,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:46:21,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:46:21,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:46:21,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:46:21,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:46:21,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:46:21,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:46:21,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:46:21,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:46:21,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:46:21,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:46:21,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:46:21,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:46:21,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:46:21,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:46:21,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:46:21,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:46:21,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:46:21,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:46:21,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:46:21,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:46:21,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:46:21,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:46:21,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:46:21,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:46:21,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 04:46:21,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:46:21,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:46:21,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:46:21,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:46:21,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:46:21,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:46:21,583 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:46:21,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:46:21,584 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:46:21,584 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:46:21,584 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:46:21,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:46:21,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:46:21,585 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:46:21,585 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:46:21,585 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:46:21,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:46:21,585 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:46:21,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:46:21,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 04:46:21,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:46:21,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 04:46:21,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:46:21,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:46:21,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:46:21,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:46:21,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 04:46:21,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:46:21,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:46:21,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:46:21,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:46:21,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:46:21,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:46:21,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:46:21,589 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:46:21,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:46:21,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:46:21,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:46:21,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:46:21,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:46:21,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:46:21,590 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_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2022-12-14 04:46:21,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:46:21,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:46:21,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:46:21,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:46:21,778 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:46:21,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-12-14 04:46:24,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:46:24,577 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:46:24,578 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-12-14 04:46:24,593 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/data/ebf6cc048/75c8f0ce4dbd46039beb9d849ee9a556/FLAG6f7c1d8b5 [2022-12-14 04:46:24,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/data/ebf6cc048/75c8f0ce4dbd46039beb9d849ee9a556 [2022-12-14 04:46:24,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:46:24,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:46:24,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:46:24,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:46:24,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:46:24,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:46:24" (1/1) ... [2022-12-14 04:46:24,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401bda71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:24, skipping insertion in model container [2022-12-14 04:46:24,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:46:24" (1/1) ... [2022-12-14 04:46:24,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:46:24,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:46:25,206 WARN L237 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_7f01de66-9388-4a29-9599-945886a4f5f4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-12-14 04:46:25,343 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:46:25,345 WARN L237 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_7f01de66-9388-4a29-9599-945886a4f5f4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-12-14 04:46:25,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:46:25,357 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:46:25,377 WARN L237 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_7f01de66-9388-4a29-9599-945886a4f5f4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-12-14 04:46:25,485 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:46:25,487 WARN L237 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_7f01de66-9388-4a29-9599-945886a4f5f4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-12-14 04:46:25,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:46:25,522 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:46:25,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25 WrapperNode [2022-12-14 04:46:25,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:46:25,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:46:25,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:46:25,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:46:25,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,644 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-12-14 04:46:25,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:46:25,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:46:25,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:46:25,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:46:25,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:46:25,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:46:25,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:46:25,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:46:25,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (1/1) ... [2022-12-14 04:46:25,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:46:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:46:25,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:46:25,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:46:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:46:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:46:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:46:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 04:46:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:46:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:46:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:46:25,936 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:46:25,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:46:27,706 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:46:28,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:46:28,016 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-12-14 04:46:28,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:46:28 BoogieIcfgContainer [2022-12-14 04:46:28,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:46:28,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:46:28,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:46:28,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:46:28,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:46:24" (1/3) ... [2022-12-14 04:46:28,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a4465a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:46:28, skipping insertion in model container [2022-12-14 04:46:28,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:46:25" (2/3) ... [2022-12-14 04:46:28,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a4465a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:46:28, skipping insertion in model container [2022-12-14 04:46:28,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:46:28" (3/3) ... [2022-12-14 04:46:28,027 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2022-12-14 04:46:28,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:46:28,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 04:46:28,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:46:28,099 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;@666d30c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:46:28,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 04:46:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 04:46:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 04:46:28,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:28,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:46:28,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-12-14 04:46:28,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:46:28,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117719773] [2022-12-14 04:46:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:46:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:46:28,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:46:28,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117719773] [2022-12-14 04:46:28,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117719773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:28,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:28,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:46:28,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811969411] [2022-12-14 04:46:28,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:28,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 04:46:28,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:46:28,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 04:46:28,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:46:28,265 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:46:29,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:29,008 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-12-14 04:46:29,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 04:46:29,013 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 04:46:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:29,032 INFO L225 Difference]: With dead ends: 2197 [2022-12-14 04:46:29,032 INFO L226 Difference]: Without dead ends: 1097 [2022-12-14 04:46:29,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:46:29,043 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:29,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 04:46:29,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-12-14 04:46:29,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-12-14 04:46:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 04:46:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-12-14 04:46:29,238 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-12-14 04:46:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:29,239 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-12-14 04:46:29,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:46:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-12-14 04:46:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 04:46:29,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:29,240 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] [2022-12-14 04:46:29,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:46:29,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-12-14 04:46:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:46:29,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395464045] [2022-12-14 04:46:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:29,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:46:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:46:29,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:46:29,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395464045] [2022-12-14 04:46:29,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395464045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:29,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:29,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:46:29,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453824983] [2022-12-14 04:46:29,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:29,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:46:29,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:46:29,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:46:29,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:46:29,458 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-14 04:46:31,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:31,093 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-12-14 04:46:31,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:46:31,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-12-14 04:46:31,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:31,113 INFO L225 Difference]: With dead ends: 3192 [2022-12-14 04:46:31,113 INFO L226 Difference]: Without dead ends: 2148 [2022-12-14 04:46:31,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:46:31,119 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:31,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 04:46:31,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-12-14 04:46:31,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-12-14 04:46:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 04:46:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-12-14 04:46:31,436 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-12-14 04:46:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:31,436 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-12-14 04:46:31,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-14 04:46:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-12-14 04:46:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 04:46:31,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:31,438 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 04:46:31,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:46:31,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-12-14 04:46:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:46:31,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967030065] [2022-12-14 04:46:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:46:31,555 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:46:31,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356862294] [2022-12-14 04:46:31,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:31,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:31,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:46:31,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:46:31,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:46:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:32,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:46:32,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:46:32,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:32,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:46:32,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967030065] [2022-12-14 04:46:32,102 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:46:32,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356862294] [2022-12-14 04:46:32,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356862294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:32,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:32,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:46:32,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552970699] [2022-12-14 04:46:32,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:32,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:46:32,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:46:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:46:32,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:46:32,105 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:46:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:33,103 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-12-14 04:46:33,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:46:33,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-12-14 04:46:33,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:33,122 INFO L225 Difference]: With dead ends: 3230 [2022-12-14 04:46:33,122 INFO L226 Difference]: Without dead ends: 2134 [2022-12-14 04:46:33,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:46:33,129 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:33,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 04:46:33,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-12-14 04:46:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-12-14 04:46:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-12-14 04:46:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-12-14 04:46:33,424 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-12-14 04:46:33,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:33,424 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-12-14 04:46:33,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 04:46:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-12-14 04:46:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 04:46:33,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:33,426 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-12-14 04:46:33,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:46:33,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:33,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:33,627 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-12-14 04:46:33,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:46:33,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834127049] [2022-12-14 04:46:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:33,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:46:33,676 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:46:33,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327689635] [2022-12-14 04:46:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:33,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:33,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:46:33,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:46:33,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:46:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:34,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:46:34,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:46:34,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:34,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:46:34,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834127049] [2022-12-14 04:46:34,090 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:46:34,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327689635] [2022-12-14 04:46:34,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327689635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:34,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:34,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:46:34,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431703239] [2022-12-14 04:46:34,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:34,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:46:34,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:46:34,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:46:34,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:46:34,093 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:46:35,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:35,733 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-12-14 04:46:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:46:35,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-12-14 04:46:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:35,740 INFO L225 Difference]: With dead ends: 3228 [2022-12-14 04:46:35,741 INFO L226 Difference]: Without dead ends: 1112 [2022-12-14 04:46:35,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:46:35,748 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:35,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 04:46:35,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-12-14 04:46:35,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-12-14 04:46:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-12-14 04:46:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-12-14 04:46:35,892 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-12-14 04:46:35,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:35,892 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-12-14 04:46:35,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:46:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-12-14 04:46:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 04:46:35,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:35,894 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-12-14 04:46:35,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:46:36,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:36,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-12-14 04:46:36,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:46:36,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161295231] [2022-12-14 04:46:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:46:36,133 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:46:36,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151472026] [2022-12-14 04:46:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:36,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:46:36,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:46:36,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:46:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:46:49,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:46:49,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:46:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:46:49,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:46:49,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:46:49,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161295231] [2022-12-14 04:46:49,102 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:46:49,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151472026] [2022-12-14 04:46:49,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151472026] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:46:49,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:46:49,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:46:49,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025143774] [2022-12-14 04:46:49,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:46:49,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:46:49,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:46:49,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:46:49,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:46:49,104 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:46:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:46:50,334 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-12-14 04:46:50,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:46:50,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-12-14 04:46:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:46:50,343 INFO L225 Difference]: With dead ends: 2207 [2022-12-14 04:46:50,343 INFO L226 Difference]: Without dead ends: 1114 [2022-12-14 04:46:50,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:46:50,348 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:46:50,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 04:46:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-12-14 04:46:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-12-14 04:46:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-12-14 04:46:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-12-14 04:46:50,498 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-12-14 04:46:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:46:50,498 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-12-14 04:46:50,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:46:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-12-14 04:46:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 04:46:50,499 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:46:50,500 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-12-14 04:46:50,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 04:46:50,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:50,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:46:50,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:46:50,701 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-12-14 04:46:50,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:46:50,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977247861] [2022-12-14 04:46:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:46:50,745 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:46:50,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689445537] [2022-12-14 04:46:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:46:50,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:46:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:46:50,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:46:50,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f01de66-9388-4a29-9599-945886a4f5f4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:47:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:31,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 04:47:31,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:47:31,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:47:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 04:47:31,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:47:31,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977247861] [2022-12-14 04:47:31,938 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:47:31,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689445537] [2022-12-14 04:47:31,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689445537] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:47:31,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1346526790] [2022-12-14 04:47:31,957 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-12-14 04:47:31,957 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:47:31,960 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:47:31,964 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:47:31,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:47:32,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:47:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,052 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 04:47:32,053 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 [2022-12-14 04:47:32,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,063 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 04:47:32,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,072 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 [2022-12-14 04:47:32,078 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 15 treesize of output 1 [2022-12-14 04:47:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,126 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 04:47:32,126 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 [2022-12-14 04:47:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,157 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 04:47:32,158 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 [2022-12-14 04:47:32,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,176 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 52 treesize of output 49 [2022-12-14 04:47:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,197 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 [2022-12-14 04:47:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,211 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 [2022-12-14 04:47:32,543 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 [2022-12-14 04:47:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-12-14 04:47:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-12-14 04:47:32,656 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 [2022-12-14 04:47:32,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 04:47:32,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 04:47:32,787 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 [2022-12-14 04:47:32,803 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 [2022-12-14 04:47:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 04:47:32,875 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 [2022-12-14 04:47:32,898 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 [2022-12-14 04:47:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,951 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 04:47:32,952 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 [2022-12-14 04:47:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,010 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 04:47:33,011 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 [2022-12-14 04:47:33,130 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 [2022-12-14 04:47:33,134 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 [2022-12-14 04:47:33,139 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 [2022-12-14 04:47:33,157 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 [2022-12-14 04:47:33,164 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 [2022-12-14 04:47:33,169 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 [2022-12-14 04:47:33,185 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 [2022-12-14 04:47:33,189 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 [2022-12-14 04:47:33,194 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 [2022-12-14 04:47:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 04:47:33,274 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 [2022-12-14 04:47:33,303 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 [2022-12-14 04:47:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:47:33,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 04:47:33,467 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 [2022-12-14 04:47:33,482 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 [2022-12-14 04:47:34,136 INFO L217 Elim1Store]: Index analysis took 452 ms [2022-12-14 04:47:37,211 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 04:47:37,212 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 9519777 treesize of output 9519796 [2022-12-14 04:47:38,862 INFO L217 Elim1Store]: Index analysis took 1461 ms [2022-12-14 04:47:39,454 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 04:47:39,455 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 9519772 treesize of output 9519776 [2022-12-14 04:47:44,810 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 04:47:44,811 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 04:47:44,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 04:47:45,060 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-12-14 04:48:01,934 WARN L233 SmtUtils]: Spent 16.87s 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) [2022-12-14 04:48:01,934 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 04:48:01,935 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 2005 treesize of output 1829 [2022-12-14 04:48:03,168 INFO L217 Elim1Store]: Index analysis took 806 ms [2022-12-14 04:48:24,700 WARN L233 SmtUtils]: Spent 21.07s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 04:48:24,701 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-12-14 04:48:24,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-12-14 04:48:25,828 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-12-14 04:48:26,238 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 04:48:26,239 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 04:48:26,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:48:26,747 INFO L217 Elim1Store]: Index analysis took 263 ms [2022-12-14 04:48:27,297 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:48:27,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 04:48:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:27,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-12-14 04:48:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:27,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 04:48:27,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:27,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 04:48:27,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:27,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 04:48:27,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:27,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 04:48:29,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:29,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:29,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 04:48:29,564 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:48:29,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:29,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 04:48:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:30,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:30,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 04:48:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:30,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 04:48:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:30,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 04:48:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:30,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 04:48:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:31,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-12-14 04:48:40,220 INFO L217 Elim1Store]: Index analysis took 1124 ms [2022-12-14 04:58:21,488 WARN L233 SmtUtils]: Spent 9.69m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 04:58:21,488 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-12-14 04:58:21,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-12-14 04:59:13,677 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 04:59:14,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:14,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:14,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:14,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:14,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:17,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:21,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:21,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:21,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:21,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:42,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:42,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:42,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:42,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:42,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:42,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:43,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:58,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:58,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:58,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:59:58,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:03,180 INFO L217 Elim1Store]: Index analysis took 48973 ms [2022-12-14 05:00:03,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 05:00:04,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:04,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:04,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:04,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:04,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:09,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:14,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:14,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:14,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:14,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:37,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:51,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:51,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:51,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:51,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:56,151 INFO L217 Elim1Store]: Index analysis took 51550 ms [2022-12-14 05:00:56,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-12-14 05:00:58,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:59,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:01,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:05,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:05,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:05,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:05,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:05,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:06,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:06,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:08,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:08,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:09,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:14,560 INFO L173 IndexEqualityManager]: detected equality via solver