./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1bbae792ec9c8e2e546dc04f3672720af98ce14b9bd37d0d7647e79ce45565 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:14:01,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:14:01,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:14:01,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:14:01,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:14:01,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:14:01,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:14:01,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:14:01,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:14:01,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:14:01,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:14:01,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:14:01,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:14:01,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:14:01,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:14:01,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:14:01,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:14:01,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:14:01,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:14:01,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:14:01,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:14:01,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:14:01,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:14:01,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:14:01,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:14:01,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:14:01,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:14:01,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:14:01,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:14:01,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:14:01,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:14:01,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:14:01,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:14:01,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:14:01,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:14:01,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:14:01,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:14:01,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:14:01,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:14:01,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:14:01,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:14:01,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:14:01,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:14:01,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:14:01,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:14:01,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:14:01,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:14:01,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:14:01,688 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:14:01,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:14:01,689 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:14:01,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:14:01,690 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:14:01,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:14:01,691 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:14:01,691 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:14:01,691 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:14:01,691 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:14:01,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:14:01,692 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:14:01,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:14:01,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:14:01,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:14:01,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:14:01,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:14:01,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:14:01,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:14:01,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:14:01,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:14:01,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:14:01,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:14:01,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:14:01,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:14:01,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:14:01,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:14:01,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:14:01,698 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:14:01,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:14:01,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:14:01,698 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:14:01,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:14:01,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:14:01,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:14:01,700 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_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1bbae792ec9c8e2e546dc04f3672720af98ce14b9bd37d0d7647e79ce45565 [2022-11-19 08:14:02,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:14:02,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:14:02,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:14:02,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:14:02,064 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:14:02,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i [2022-11-19 08:14:02,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/data/46ec41505/cfab4a9c8d2a47689bcae801b551263d/FLAGefd724229 [2022-11-19 08:14:02,926 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:14:02,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i [2022-11-19 08:14:02,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/data/46ec41505/cfab4a9c8d2a47689bcae801b551263d/FLAGefd724229 [2022-11-19 08:14:03,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/data/46ec41505/cfab4a9c8d2a47689bcae801b551263d [2022-11-19 08:14:03,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:14:03,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:14:03,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:14:03,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:14:03,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:14:03,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:14:03" (1/1) ... [2022-11-19 08:14:03,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40559566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:03, skipping insertion in model container [2022-11-19 08:14:03,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:14:03" (1/1) ... [2022-11-19 08:14:03,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:14:03,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:14:03,742 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[33021,33034] [2022-11-19 08:14:03,911 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[49681,49694] [2022-11-19 08:14:03,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:14:03,935 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:14:03,962 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[33021,33034] [2022-11-19 08:14:04,065 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[49681,49694] [2022-11-19 08:14:04,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:14:04,114 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:14:04,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04 WrapperNode [2022-11-19 08:14:04,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:14:04,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:14:04,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:14:04,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:14:04,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,240 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1549 [2022-11-19 08:14:04,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:14:04,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:14:04,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:14:04,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:14:04,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:14:04,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:14:04,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:14:04,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:14:04,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (1/1) ... [2022-11-19 08:14:04,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:14:04,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:04,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:14:04,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:14:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:14:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:14:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:14:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:14:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:14:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:14:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:14:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:14:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:14:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:14:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:14:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:14:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:14:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:14:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:14:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:14:04,956 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:14:04,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:14:07,325 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:14:08,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:14:08,001 INFO L300 CfgBuilder]: Removed 92 assume(true) statements. [2022-11-19 08:14:08,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:14:08 BoogieIcfgContainer [2022-11-19 08:14:08,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:14:08,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:14:08,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:14:08,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:14:08,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:14:03" (1/3) ... [2022-11-19 08:14:08,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3656a44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:14:08, skipping insertion in model container [2022-11-19 08:14:08,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:14:04" (2/3) ... [2022-11-19 08:14:08,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3656a44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:14:08, skipping insertion in model container [2022-11-19 08:14:08,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:14:08" (3/3) ... [2022-11-19 08:14:08,016 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-2.i [2022-11-19 08:14:08,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:14:08,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 08:14:08,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:14:08,114 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;@6dff29fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:14:08,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 08:14:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 08:14:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 08:14:08,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:08,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 08:14:08,131 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:14:08,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:08,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1765117460, now seen corresponding path program 1 times [2022-11-19 08:14:08,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:08,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594163473] [2022-11-19 08:14:08,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:08,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:08,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:08,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594163473] [2022-11-19 08:14:08,366 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 08:14:08,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424713884] [2022-11-19 08:14:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:08,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:08,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:08,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:08,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:14:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:08,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 08:14:08,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:08,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:14:08,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424713884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:08,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:08,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:14:08,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924075001] [2022-11-19 08:14:08,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:08,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:14:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:08,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:14:08,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:14:08,726 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:09,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:09,823 INFO L93 Difference]: Finished difference Result 329 states and 588 transitions. [2022-11-19 08:14:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:14:09,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 08:14:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:09,839 INFO L225 Difference]: With dead ends: 329 [2022-11-19 08:14:09,840 INFO L226 Difference]: Without dead ends: 150 [2022-11-19 08:14:09,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:14:09,848 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:09,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 08:14:09,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-19 08:14:09,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-19 08:14:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 08:14:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-19 08:14:09,916 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-19 08:14:09,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:09,916 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-19 08:14:09,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-19 08:14:09,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:14:09,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:09,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:09,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:10,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 08:14:10,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:14:10,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:10,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1566679301, now seen corresponding path program 1 times [2022-11-19 08:14:10,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:10,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319693460] [2022-11-19 08:14:10,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:10,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:10,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319693460] [2022-11-19 08:14:10,188 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 08:14:10,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254316877] [2022-11-19 08:14:10,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:10,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:10,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:10,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:10,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:14:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:10,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:14:10,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:10,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:14:10,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254316877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:10,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:10,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:14:10,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543082589] [2022-11-19 08:14:10,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:10,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:14:10,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:10,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:14:10,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:14:10,586 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:11,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:11,903 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-19 08:14:11,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:14:11,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-19 08:14:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:11,909 INFO L225 Difference]: With dead ends: 342 [2022-11-19 08:14:11,909 INFO L226 Difference]: Without dead ends: 290 [2022-11-19 08:14:11,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:14:11,911 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:11,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 08:14:11,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-19 08:14:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-19 08:14:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 08:14:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-19 08:14:11,934 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-19 08:14:11,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:11,934 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-19 08:14:11,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-19 08:14:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 08:14:11,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:11,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:11,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 08:14:12,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:12,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:14:12,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:12,144 INFO L85 PathProgramCache]: Analyzing trace with hash -867190139, now seen corresponding path program 1 times [2022-11-19 08:14:12,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:12,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954663291] [2022-11-19 08:14:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:12,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:12,446 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:14:12,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901871112] [2022-11-19 08:14:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:12,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:12,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:12,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:14:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:14,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:14:14,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:14,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:14:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:14:14,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:14,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954663291] [2022-11-19 08:14:14,290 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:14:14,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901871112] [2022-11-19 08:14:14,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901871112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:14:14,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [832430288] [2022-11-19 08:14:14,324 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-19 08:14:14,324 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:14:14,329 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:14:14,335 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:14:14,336 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:14:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,495 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 08:14:14,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-19 08:14:14,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,529 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:14:14,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:14:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:14:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,618 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:14:14,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:14:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-19 08:14:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:14,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 08:14:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:14,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:14:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:14:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:14:15,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:15,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:15,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:15,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:14:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:16,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:14:16,143 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:14:24,809 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:14:33,215 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:14:33,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [832430288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:33,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:14:33,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 08:14:33,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386853740] [2022-11-19 08:14:33,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:33,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:14:33,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:33,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:14:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 08:14:33,223 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:36,537 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-11-19 08:14:36,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:14:36,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-11-19 08:14:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:36,539 INFO L225 Difference]: With dead ends: 310 [2022-11-19 08:14:36,540 INFO L226 Difference]: Without dead ends: 161 [2022-11-19 08:14:36,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 08:14:36,542 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 8 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:36,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 405 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 11 Unchecked, 3.3s Time] [2022-11-19 08:14:36,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-19 08:14:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-19 08:14:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 08:14:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-19 08:14:36,562 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-19 08:14:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:36,562 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-19 08:14:36,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:14:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-19 08:14:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-19 08:14:36,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:36,566 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:14:36,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:14:36,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:36,779 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:14:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:36,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1835922908, now seen corresponding path program 1 times [2022-11-19 08:14:36,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:36,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793686180] [2022-11-19 08:14:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:36,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:36,942 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:14:36,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223450230] [2022-11-19 08:14:36,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:36,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:14:36,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:14:36,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:14:36,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:14:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:38,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:14:38,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:14:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:14:38,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:14:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:14:38,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:38,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793686180] [2022-11-19 08:14:38,491 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:14:38,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223450230] [2022-11-19 08:14:38,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223450230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:14:38,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [256517066] [2022-11-19 08:14:38,496 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 08:14:38,496 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:14:38,497 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:14:38,497 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:14:38,497 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:14:38,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,615 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:14:38,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:14:38,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:14:38,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,687 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:14:38,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 08:14:38,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:14:38,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,761 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:14:38,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:14:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:14:38,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:38,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:38,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-19 08:14:39,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:14:39,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 08:14:39,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:39,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:39,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:14:39,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:14:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:14:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:14:39,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:14:39,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:14:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,796 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:14:39,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:14:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,907 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:14:39,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 08:14:39,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:39,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:14:40,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:40,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:14:40,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:14:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:40,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:14:41,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:14:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:14:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:14:41,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:14:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:14:41,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:14:41,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:14:41,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,483 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:14:41,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:14:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:41,572 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:14:41,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 08:14:42,109 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-19 08:14:42,240 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:14:50,716 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:14:59,057 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:15:09,127 WARN L233 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:15:22,902 WARN L233 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:15:37,180 WARN L233 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:15:38,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [256517066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:38,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:15:38,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 08:15:38,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223211606] [2022-11-19 08:15:38,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:38,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 08:15:38,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:38,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 08:15:38,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-19 08:15:38,488 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:15:43,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:15:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:43,902 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-19 08:15:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:15:43,902 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-11-19 08:15:43,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:43,904 INFO L225 Difference]: With dead ends: 315 [2022-11-19 08:15:43,904 INFO L226 Difference]: Without dead ends: 166 [2022-11-19 08:15:43,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 56.2s TimeCoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-19 08:15:43,906 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 9 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 269 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:43,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 812 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 1 Unknown, 269 Unchecked, 5.4s Time] [2022-11-19 08:15:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-19 08:15:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-19 08:15:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:15:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-19 08:15:43,957 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-19 08:15:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:43,957 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-19 08:15:43,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:15:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-19 08:15:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 08:15:43,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:43,961 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:15:43,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:15:44,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:44,175 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:44,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:44,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1163140644, now seen corresponding path program 1 times [2022-11-19 08:15:44,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:44,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649735241] [2022-11-19 08:15:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:44,347 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:15:44,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738645058] [2022-11-19 08:15:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:44,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:44,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:44,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:15:44,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6230c9f8-54b2-4bcc-bf0b-8aa29cc2c999/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:15:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:45,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:15:45,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:15:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:15:45,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:15:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:15:46,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:46,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649735241] [2022-11-19 08:15:46,014 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:15:46,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738645058] [2022-11-19 08:15:46,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738645058] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:15:46,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [588566364] [2022-11-19 08:15:46,019 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-19 08:15:46,019 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:15:46,020 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:15:46,020 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:15:46,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:15:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,130 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:15:46,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:15:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:15:46,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,182 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:15:46,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 08:15:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,231 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:15:46,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 08:15:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:15:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-19 08:15:46,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,323 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:15:46,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:15:46,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:15:46,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:15:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:15:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-19 08:15:46,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:15:46,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:15:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:15:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:46,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:15:47,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:15:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,197 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:15:47,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:15:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,303 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:15:47,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 08:15:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:15:47,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:15:47,599 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 11 treesize of output 7 [2022-11-19 08:15:47,605 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 13 treesize of output 9 [2022-11-19 08:15:47,612 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 11 treesize of output 7 [2022-11-19 08:15:47,670 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:15:47,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-19 08:15:47,713 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 08:15:47,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-19 08:15:47,751 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:15:47,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-19 08:15:47,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:15:47,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:15:47,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:15:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:47,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 08:15:47,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:15:47,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:15:48,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:15:48,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 08:15:48,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:15:48,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:15:50,260 INFO L217 Elim1Store]: Index analysis took 1720 ms [2022-11-19 08:16:01,094 WARN L233 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:16:01,095 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 08:16:01,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 10752723 treesize of output 10752742 [2022-11-19 08:16:02,882 INFO L217 Elim1Store]: Index analysis took 1605 ms [2022-11-19 08:16:04,205 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 08:16:04,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 10752718 treesize of output 10752722 [2022-11-19 08:19:32,425 WARN L233 SmtUtils]: Spent 3.46m on a formula simplification. DAG size of input: 198 DAG size of output: 106 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:19:32,426 INFO L321 Elim1Store]: treesize reduction 1611, result has 24.6 percent of original size [2022-11-19 08:19:32,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 8576 treesize of output 6519 [2022-11-19 08:19:32,950 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-19 08:21:22,285 WARN L233 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:21:22,286 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:21:22,287 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 8524 treesize of output 7357 [2022-11-19 08:21:27,115 INFO L217 Elim1Store]: Index analysis took 3469 ms