./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur --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 a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 --- 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-38b53e6 [2022-11-26 00:12:41,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:12:41,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:12:41,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:12:41,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:12:41,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:12:41,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:12:41,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:12:41,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:12:41,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:12:41,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:12:41,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:12:41,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:12:41,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:12:41,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:12:41,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:12:41,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:12:41,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:12:41,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:12:41,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:12:41,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:12:41,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:12:41,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:12:41,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:12:41,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:12:41,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:12:41,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:12:41,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:12:41,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:12:41,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:12:41,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:12:41,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:12:41,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:12:41,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:12:41,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:12:41,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:12:41,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:12:41,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:12:41,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:12:41,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:12:41,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:12:41,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:12:41,712 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:12:41,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:12:41,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:12:41,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:12:41,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:12:41,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:12:41,714 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:12:41,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:12:41,715 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:12:41,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:12:41,716 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:12:41,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:12:41,716 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:12:41,717 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:12:41,717 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:12:41,717 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:12:41,717 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:12:41,717 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:12:41,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:12:41,718 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:12:41,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:12:41,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:12:41,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:12:41,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:12:41,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:12:41,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:12:41,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:12:41,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:12:41,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:12:41,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:12:41,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:12:41,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:12:41,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:12:41,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:12:41,721 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:12:41,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:12:41,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:12:41,721 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:12:41,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:12:41,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:12:41,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:12:41,722 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_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 [2022-11-26 00:12:41,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:12:41,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:12:42,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:12:42,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:12:42,003 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:12:42,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2022-11-26 00:12:45,026 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:12:45,345 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:12:45,346 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2022-11-26 00:12:45,360 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/data/6e752375a/e4175d11d5d544fb94abcb1083cf603a/FLAGe14ecbae4 [2022-11-26 00:12:45,375 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/data/6e752375a/e4175d11d5d544fb94abcb1083cf603a [2022-11-26 00:12:45,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:12:45,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:12:45,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:12:45,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:12:45,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:12:45,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:12:45" (1/1) ... [2022-11-26 00:12:45,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21db69c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:45, skipping insertion in model container [2022-11-26 00:12:45,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:12:45" (1/1) ... [2022-11-26 00:12:45,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:12:45,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:12:45,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[33021,33034] [2022-11-26 00:12:46,034 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:12:46,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[49681,49694] [2022-11-26 00:12:46,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:12:46,068 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:12:46,097 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[33021,33034] [2022-11-26 00:12:46,254 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:12:46,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[49681,49694] [2022-11-26 00:12:46,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:12:46,337 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:12:46,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46 WrapperNode [2022-11-26 00:12:46,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:12:46,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:12:46,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:12:46,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:12:46,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,464 INFO L138 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1686 [2022-11-26 00:12:46,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:12:46,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:12:46,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:12:46,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:12:46,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:12:46,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:12:46,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:12:46,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:12:46,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (1/1) ... [2022-11-26 00:12:46,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:12:46,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:46,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:12:46,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:12:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:12:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:12:46,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:12:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:12:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:12:46,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:12:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:12:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:12:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:12:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:12:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:12:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:12:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:12:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:12:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:12:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:12:47,068 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:12:47,070 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:12:49,217 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:12:49,790 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:12:49,791 INFO L300 CfgBuilder]: Removed 100 assume(true) statements. [2022-11-26 00:12:49,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:49 BoogieIcfgContainer [2022-11-26 00:12:49,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:12:49,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:12:49,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:12:49,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:12:49,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:12:45" (1/3) ... [2022-11-26 00:12:49,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127e28ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:49, skipping insertion in model container [2022-11-26 00:12:49,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:46" (2/3) ... [2022-11-26 00:12:49,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127e28ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:49, skipping insertion in model container [2022-11-26 00:12:49,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:49" (3/3) ... [2022-11-26 00:12:49,808 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-3.i [2022-11-26 00:12:49,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:12:49,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:12:49,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:12:49,938 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;@52f0723c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:12:49,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:12:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-26 00:12:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:12:49,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:49,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:12:49,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:49,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:49,958 INFO L85 PathProgramCache]: Analyzing trace with hash 274883441, now seen corresponding path program 1 times [2022-11-26 00:12:49,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:49,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671888437] [2022-11-26 00:12:49,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:49,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:50,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:50,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671888437] [2022-11-26 00:12:50,101 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:12:50,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418670433] [2022-11-26 00:12:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:50,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:50,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:50,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:50,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:12:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:50,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:12:50,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:50,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:50,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:50,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418670433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:50,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:50,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:12:50,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399329305] [2022-11-26 00:12:50,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:50,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:12:50,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:50,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:12:50,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:12:50,458 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:51,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:51,383 INFO L93 Difference]: Finished difference Result 353 states and 632 transitions. [2022-11-26 00:12:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:12:51,389 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 [2022-11-26 00:12:51,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:51,398 INFO L225 Difference]: With dead ends: 353 [2022-11-26 00:12:51,398 INFO L226 Difference]: Without dead ends: 150 [2022-11-26 00:12:51,402 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 [2022-11-26 00:12:51,405 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:51,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:12:51,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-26 00:12:51,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-26 00:12:51,449 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) [2022-11-26 00:12:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-26 00:12:51,452 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-26 00:12:51,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:51,453 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-26 00:12:51,453 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) [2022-11-26 00:12:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-26 00:12:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:12:51,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:51,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:51,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:51,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:12:51,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:51,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1671934868, now seen corresponding path program 1 times [2022-11-26 00:12:51,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:51,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487263758] [2022-11-26 00:12:51,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:51,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:51,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:51,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487263758] [2022-11-26 00:12:51,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:12:51,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001528293] [2022-11-26 00:12:51,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:51,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:51,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:51,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:51,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:12:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:52,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:12:52,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:52,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:52,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001528293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:52,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:52,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:12:52,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070259998] [2022-11-26 00:12:52,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:52,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:52,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:52,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:52,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:52,061 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) [2022-11-26 00:12:54,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:54,048 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-26 00:12:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:54,054 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 [2022-11-26 00:12:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:54,057 INFO L225 Difference]: With dead ends: 342 [2022-11-26 00:12:54,057 INFO L226 Difference]: Without dead ends: 290 [2022-11-26 00:12:54,058 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 [2022-11-26 00:12:54,059 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:54,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:12:54,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-26 00:12:54,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-26 00:12:54,077 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) [2022-11-26 00:12:54,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-26 00:12:54,079 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-26 00:12:54,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:54,079 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-26 00:12:54,079 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) [2022-11-26 00:12:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-26 00:12:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-26 00:12:54,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:54,082 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] [2022-11-26 00:12:54,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:12:54,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:54,288 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:54,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:54,288 INFO L85 PathProgramCache]: Analyzing trace with hash 700872651, now seen corresponding path program 1 times [2022-11-26 00:12:54,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:54,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060000786] [2022-11-26 00:12:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:54,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:54,615 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:12:54,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625207593] [2022-11-26 00:12:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:54,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:54,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:54,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:12:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:56,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:12:56,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:56,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:56,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:56,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060000786] [2022-11-26 00:12:56,206 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:12:56,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625207593] [2022-11-26 00:12:56,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625207593] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:56,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2145342395] [2022-11-26 00:12:56,230 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-26 00:12:56,230 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:12:56,235 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:12:56,240 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:12:56,240 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:12:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,399 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:12:56,401 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 [2022-11-26 00:12:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,417 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 [2022-11-26 00:12:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,467 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 [2022-11-26 00:12:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:12:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,496 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:12:56,497 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 [2022-11-26 00:12:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,547 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:12:56,548 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 [2022-11-26 00:12:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,573 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 [2022-11-26 00:12:56,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:56,584 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 [2022-11-26 00:12:57,062 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 [2022-11-26 00:12:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,114 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 [2022-11-26 00:12:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,168 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 [2022-11-26 00:12:57,230 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 [2022-11-26 00:12:57,678 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 [2022-11-26 00:12:57,696 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 [2022-11-26 00:12:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,766 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 [2022-11-26 00:12:57,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:12:57,845 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 [2022-11-26 00:12:57,898 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:13:04,971 WARN L233 SmtUtils]: Spent 5.45s 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) [2022-11-26 00:13:13,546 WARN L233 SmtUtils]: Spent 6.47s 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) [2022-11-26 00:13:13,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2145342395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:13,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:13:13,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:13:13,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753716062] [2022-11-26 00:13:13,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:13,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:13:13,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:13,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:13:13,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-26 00:13:13,555 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) [2022-11-26 00:13:15,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:13:17,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:13:22,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:13:25,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:13:27,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:27,303 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-11-26 00:13:27,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:13:27,304 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 [2022-11-26 00:13:27,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:27,305 INFO L225 Difference]: With dead ends: 310 [2022-11-26 00:13:27,305 INFO L226 Difference]: Without dead ends: 161 [2022-11-26 00:13:27,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-11-26 00:13:27,307 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:27,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 314 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2022-11-26 00:13:27,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-26 00:13:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-26 00:13:27,324 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) [2022-11-26 00:13:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-26 00:13:27,326 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-26 00:13:27,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:27,326 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-26 00:13:27,326 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) [2022-11-26 00:13:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-26 00:13:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-26 00:13:27,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:27,329 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] [2022-11-26 00:13:27,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:13:27,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:27,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:13:27,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:27,541 INFO L85 PathProgramCache]: Analyzing trace with hash -385397690, now seen corresponding path program 1 times [2022-11-26 00:13:27,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:27,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814195218] [2022-11-26 00:13:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:27,720 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:13:27,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171914623] [2022-11-26 00:13:27,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:27,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:27,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:27,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:13:27,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:13:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:28,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:13:28,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:13:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:13:29,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:13:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:13:29,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:29,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814195218] [2022-11-26 00:13:29,153 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:13:29,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171914623] [2022-11-26 00:13:29,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171914623] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:13:29,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [319412897] [2022-11-26 00:13:29,158 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:13:29,158 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:13:29,158 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:13:29,158 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:13:29,159 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:13:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,302 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:13:29,303 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 [2022-11-26 00:13:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,315 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 [2022-11-26 00:13:29,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,372 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:13:29,373 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 [2022-11-26 00:13:29,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,395 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 [2022-11-26 00:13:29,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,456 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:13:29,457 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 [2022-11-26 00:13:29,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:13:29,480 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 [2022-11-26 00:13:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,501 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 [2022-11-26 00:13:29,880 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 [2022-11-26 00:13:29,899 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 [2022-11-26 00:13:29,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,946 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 [2022-11-26 00:13:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:29,994 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 [2022-11-26 00:13:30,099 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 [2022-11-26 00:13:30,117 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 [2022-11-26 00:13:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,177 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 [2022-11-26 00:13:30,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,237 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 [2022-11-26 00:13:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,326 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 [2022-11-26 00:13:30,361 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 [2022-11-26 00:13:30,388 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 [2022-11-26 00:13:30,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,467 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:13:30,468 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 [2022-11-26 00:13:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:30,558 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:13:30,559 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 [2022-11-26 00:13:31,279 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 [2022-11-26 00:13:31,298 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 [2022-11-26 00:13:31,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,364 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 [2022-11-26 00:13:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,411 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 [2022-11-26 00:13:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:13:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-26 00:13:31,612 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 [2022-11-26 00:13:31,626 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 [2022-11-26 00:13:31,679 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 [2022-11-26 00:13:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,789 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 [2022-11-26 00:13:31,846 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 [2022-11-26 00:13:31,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,928 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:13:31,928 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 [2022-11-26 00:13:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:31,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-26 00:13:32,349 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-26 00:13:32,477 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:13:38,944 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) [2022-11-26 00:13:46,706 WARN L233 SmtUtils]: Spent 5.65s 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) [2022-11-26 00:13:56,646 WARN L233 SmtUtils]: Spent 5.79s 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) [2022-11-26 00:14:11,936 WARN L233 SmtUtils]: Spent 9.12s 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) [2022-11-26 00:14:24,921 WARN L233 SmtUtils]: Spent 6.82s 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) [2022-11-26 00:14:25,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [319412897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:25,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:14:25,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:14:25,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349521505] [2022-11-26 00:14:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:25,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:14:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:14:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:14:25,628 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) [2022-11-26 00:14:28,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:30,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:32,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:34,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:36,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:38,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:40,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:42,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:44,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:14:46,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:14:55,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:14:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:55,875 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-26 00:14:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:14:55,876 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 [2022-11-26 00:14:55,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:55,877 INFO L225 Difference]: With dead ends: 315 [2022-11-26 00:14:55,877 INFO L226 Difference]: Without dead ends: 166 [2022-11-26 00:14:55,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 53.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:14:55,879 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:55,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 10 Unknown, 0 Unchecked, 30.2s Time] [2022-11-26 00:14:55,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-26 00:14:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-26 00:14:55,906 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) [2022-11-26 00:14:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-26 00:14:55,907 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-26 00:14:55,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:55,908 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-26 00:14:55,908 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) [2022-11-26 00:14:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-26 00:14:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:14:55,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:55,911 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] [2022-11-26 00:14:55,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:14:56,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:14:56,122 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:14:56,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:56,122 INFO L85 PathProgramCache]: Analyzing trace with hash -102741374, now seen corresponding path program 1 times [2022-11-26 00:14:56,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:56,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507096180] [2022-11-26 00:14:56,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:56,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:56,319 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:14:56,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147759320] [2022-11-26 00:14:56,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:56,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:14:56,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:14:56,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:14:56,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82badfc5-553c-4f73-b784-e19d6a13e015/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:14:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:57,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:14:57,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:14:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:14:57,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:14:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:14:57,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:57,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507096180] [2022-11-26 00:14:57,791 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:14:57,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147759320] [2022-11-26 00:14:57,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147759320] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:14:57,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1270981815] [2022-11-26 00:14:57,799 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:14:57,800 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:14:57,800 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:14:57,800 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:14:57,802 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:14:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:57,890 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:14:57,891 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 [2022-11-26 00:14:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:57,914 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 [2022-11-26 00:14:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:57,945 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 [2022-11-26 00:14:57,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:57,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:57,980 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:14:57,980 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 [2022-11-26 00:14:57,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,033 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:14:58,034 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 [2022-11-26 00:14:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:14:58,050 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 [2022-11-26 00:14:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,068 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 [2022-11-26 00:14:58,410 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 [2022-11-26 00:14:58,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,458 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 [2022-11-26 00:14:58,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,498 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 [2022-11-26 00:14:58,529 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 [2022-11-26 00:14:58,560 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 [2022-11-26 00:14:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,617 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 [2022-11-26 00:14:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,665 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 [2022-11-26 00:14:58,693 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 [2022-11-26 00:14:58,744 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 [2022-11-26 00:14:58,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,812 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:14:58,812 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 [2022-11-26 00:14:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,902 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:14:58,902 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 [2022-11-26 00:14:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:58,956 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 [2022-11-26 00:14:58,994 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 [2022-11-26 00:14:59,152 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 [2022-11-26 00:14:59,156 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 [2022-11-26 00:14:59,162 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 [2022-11-26 00:14:59,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:14:59,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:14:59,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:14:59,217 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 [2022-11-26 00:14:59,223 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 [2022-11-26 00:14:59,228 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 [2022-11-26 00:14:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,306 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 [2022-11-26 00:14:59,334 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 [2022-11-26 00:14:59,352 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 [2022-11-26 00:14:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:14:59,584 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 [2022-11-26 00:14:59,603 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 [2022-11-26 00:14:59,621 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 [2022-11-26 00:15:03,666 INFO L217 Elim1Store]: Index analysis took 3795 ms [2022-11-26 00:15:12,181 WARN L233 SmtUtils]: Spent 8.51s 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) [2022-11-26 00:15:12,181 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:15:12,182 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 [2022-11-26 00:15:13,285 INFO L217 Elim1Store]: Index analysis took 803 ms [2022-11-26 00:15:15,688 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:15:15,689 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 [2022-11-26 00:18:43,013 WARN L233 SmtUtils]: Spent 3.45m on a formula simplification. DAG size of input: 198 DAG size of output: 104 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:18:43,014 INFO L321 Elim1Store]: treesize reduction 1636, result has 23.4 percent of original size [2022-11-26 00:18:43,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5832 [2022-11-26 00:18:43,608 INFO L217 Elim1Store]: Index analysis took 203 ms [2022-11-26 00:20:38,069 WARN L233 SmtUtils]: Spent 1.91m 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) [2022-11-26 00:20:38,069 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:20:38,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 7135 treesize of output 5975 [2022-11-26 00:20:42,782 INFO L217 Elim1Store]: Index analysis took 2835 ms