./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:00:04,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:00:04,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:00:04,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:00:04,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:00:04,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:00:04,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:00:04,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:00:04,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:00:04,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:00:04,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:00:04,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:00:04,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:00:04,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:00:04,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:00:04,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:00:04,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:00:04,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:00:04,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:00:04,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:00:04,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:00:04,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:00:04,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:00:04,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:00:04,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:00:04,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:00:04,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:00:04,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:00:04,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:00:04,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:00:04,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:00:04,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:00:04,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:00:04,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:00:04,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:00:04,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:00:04,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:00:04,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:00:04,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:00:04,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:00:04,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:00:04,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:00:04,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:00:04,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:00:04,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:00:04,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:00:04,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:00:04,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:00:04,409 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:00:04,409 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:00:04,410 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:00:04,410 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:00:04,410 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:00:04,411 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:00:04,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:00:04,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:00:04,412 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:00:04,412 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:00:04,412 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:00:04,412 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:00:04,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:00:04,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:00:04,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:00:04,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:00:04,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:00:04,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:00:04,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:00:04,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:00:04,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:00:04,416 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:00:04,417 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:00:04,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:00:04,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:00:04,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:00:04,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:00:04,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:00:04,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:04,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:00:04,419 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:00:04,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:00:04,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:00:04,420 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:00:04,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:00:04,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:00:04,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:00:04,421 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_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 [2022-11-19 08:00:04,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:00:04,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:00:04,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:00:04,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:00:04,816 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:00:04,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2022-11-19 08:00:04,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/data/e6d2dbc94/31a36576238343d9b9457be039ed4cab/FLAGd60a54c94 [2022-11-19 08:00:05,526 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:00:05,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2022-11-19 08:00:05,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/data/e6d2dbc94/31a36576238343d9b9457be039ed4cab/FLAGd60a54c94 [2022-11-19 08:00:05,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/data/e6d2dbc94/31a36576238343d9b9457be039ed4cab [2022-11-19 08:00:05,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:00:05,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:00:05,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:05,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:00:05,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:00:05,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:05" (1/1) ... [2022-11-19 08:00:05,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540b1b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:05, skipping insertion in model container [2022-11-19 08:00:05,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:05" (1/1) ... [2022-11-19 08:00:05,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:00:05,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:00:06,428 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i[33021,33034] [2022-11-19 08:00:06,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:06,570 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:00:06,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i[33021,33034] [2022-11-19 08:00:06,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:06,696 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:00:06,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06 WrapperNode [2022-11-19 08:00:06,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:06,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:06,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:00:06,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:00:06,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,789 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 623 [2022-11-19 08:00:06,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:06,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:00:06,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:00:06,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:00:06,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,857 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:00:06,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:00:06,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:00:06,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:00:06,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (1/1) ... [2022-11-19 08:00:06,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:06,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:06,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:00:06,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:00:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:00:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:00:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:00:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:00:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:00:06,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:00:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:00:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:00:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:00:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:00:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:00:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:00:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:00:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:00:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:00:07,279 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:00:07,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:00:08,811 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:00:09,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:00:09,152 INFO L300 CfgBuilder]: Removed 31 assume(true) statements. [2022-11-19 08:00:09,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:09 BoogieIcfgContainer [2022-11-19 08:00:09,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:00:09,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:00:09,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:00:09,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:00:09,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:05" (1/3) ... [2022-11-19 08:00:09,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38be303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:09, skipping insertion in model container [2022-11-19 08:00:09,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:06" (2/3) ... [2022-11-19 08:00:09,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38be303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:09, skipping insertion in model container [2022-11-19 08:00:09,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:09" (3/3) ... [2022-11-19 08:00:09,170 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-1.i [2022-11-19 08:00:09,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:00:09,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 08:00:09,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:00:09,324 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;@288e591f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:00:09,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-19 08:00:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:00:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 08:00:09,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:09,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 08:00:09,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 08:00:09,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:09,348 INFO L85 PathProgramCache]: Analyzing trace with hash 531335, now seen corresponding path program 1 times [2022-11-19 08:00:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:09,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258964804] [2022-11-19 08:00:09,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:09,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:09,535 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:09,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121647460] [2022-11-19 08:00:09,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:09,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:09,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:09,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:09,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:00:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:00:09,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:00:09,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:00:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:00:09,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:00:09,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:00:09,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258964804] [2022-11-19 08:00:09,772 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:00:09,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121647460] [2022-11-19 08:00:09,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121647460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:00:09,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:00:09,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 08:00:09,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397949509] [2022-11-19 08:00:09,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:00:09,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:00:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:00:09,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:00:09,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:00:09,838 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:11,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:00:11,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:00:11,720 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2022-11-19 08:00:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:00:11,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-19 08:00:11,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:00:11,751 INFO L225 Difference]: With dead ends: 230 [2022-11-19 08:00:11,751 INFO L226 Difference]: Without dead ends: 141 [2022-11-19 08:00:11,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:00:11,760 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 54 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:00:11,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 203 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 08:00:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-19 08:00:11,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2022-11-19 08:00:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 08:00:11,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2022-11-19 08:00:11,844 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2022-11-19 08:00:11,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:00:11,844 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2022-11-19 08:00:11,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2022-11-19 08:00:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 08:00:11,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:11,848 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] [2022-11-19 08:00:11,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:00:12,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 08:00:12,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 08:00:12,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:12,056 INFO L85 PathProgramCache]: Analyzing trace with hash 372678044, now seen corresponding path program 1 times [2022-11-19 08:00:12,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:12,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107916408] [2022-11-19 08:00:12,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:12,274 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:12,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668453540] [2022-11-19 08:00:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:12,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:12,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:12,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:00:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:00:13,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:00:13,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:00:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:00:13,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:00:13,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:00:13,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107916408] [2022-11-19 08:00:13,322 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:00:13,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668453540] [2022-11-19 08:00:13,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668453540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:00:13,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:00:13,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:00:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314462478] [2022-11-19 08:00:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:00:13,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:00:13,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:00:13,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:00:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:00:13,326 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:15,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:00:17,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:00:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:00:17,128 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2022-11-19 08:00:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:00:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2022-11-19 08:00:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:00:17,138 INFO L225 Difference]: With dead ends: 141 [2022-11-19 08:00:17,138 INFO L226 Difference]: Without dead ends: 140 [2022-11-19 08:00:17,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:00:17,140 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 32 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:00:17,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 300 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 08:00:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-19 08:00:17,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2022-11-19 08:00:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:00:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2022-11-19 08:00:17,162 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2022-11-19 08:00:17,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:00:17,162 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2022-11-19 08:00:17,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:17,163 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2022-11-19 08:00:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 08:00:17,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:17,164 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] [2022-11-19 08:00:17,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:00:17,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:17,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 08:00:17,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:17,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1331882116, now seen corresponding path program 1 times [2022-11-19 08:00:17,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:17,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186033471] [2022-11-19 08:00:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:17,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:17,572 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:17,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144198357] [2022-11-19 08:00:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:17,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:17,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:17,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:17,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:00:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:00:18,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1549 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:00:18,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:00:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:00:18,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:00:18,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:00:18,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186033471] [2022-11-19 08:00:18,579 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:00:18,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144198357] [2022-11-19 08:00:18,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144198357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:00:18,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:00:18,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:00:18,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237031837] [2022-11-19 08:00:18,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:00:18,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:00:18,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:00:18,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:00:18,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:00:18,584 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:00:20,327 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2022-11-19 08:00:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:00:20,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2022-11-19 08:00:20,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:00:20,336 INFO L225 Difference]: With dead ends: 138 [2022-11-19 08:00:20,336 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 08:00:20,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:00:20,338 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 59 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:00:20,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 207 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 08:00:20,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 08:00:20,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 08:00:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:00:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-19 08:00:20,356 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2022-11-19 08:00:20,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:00:20,357 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-19 08:00:20,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-19 08:00:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 08:00:20,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:20,359 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:00:20,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:00:20,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:20,569 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 08:00:20,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash -38442068, now seen corresponding path program 1 times [2022-11-19 08:00:20,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:20,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831467886] [2022-11-19 08:00:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:20,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:20,793 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:20,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1333212098] [2022-11-19 08:00:20,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:20,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:20,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:00:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:00:21,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:00:21,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:00:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:00:22,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:00:22,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:00:22,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831467886] [2022-11-19 08:00:22,058 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:00:22,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333212098] [2022-11-19 08:00:22,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333212098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:00:22,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:00:22,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:00:22,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704312187] [2022-11-19 08:00:22,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:00:22,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:00:22,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:00:22,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:00:22,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:00:22,062 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:23,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:00:23,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:00:23,930 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2022-11-19 08:00:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:00:23,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2022-11-19 08:00:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:00:23,936 INFO L225 Difference]: With dead ends: 246 [2022-11-19 08:00:23,936 INFO L226 Difference]: Without dead ends: 135 [2022-11-19 08:00:23,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:00:23,939 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:00:23,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 08:00:23,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-19 08:00:23,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2022-11-19 08:00:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:00:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2022-11-19 08:00:23,957 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2022-11-19 08:00:23,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:00:23,958 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2022-11-19 08:00:23,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:00:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2022-11-19 08:00:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 08:00:23,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:23,960 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:00:23,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:00:24,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:24,172 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 08:00:24,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:24,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1609350047, now seen corresponding path program 1 times [2022-11-19 08:00:24,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:24,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14356197] [2022-11-19 08:00:24,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:24,243 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:24,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559944845] [2022-11-19 08:00:24,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:24,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:24,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:24,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:24,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:00:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:00:26,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:00:26,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:00:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:00:26,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:00:26,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:00:26,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14356197] [2022-11-19 08:00:26,699 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:00:26,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559944845] [2022-11-19 08:00:26,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559944845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:00:26,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:00:26,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:00:26,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954136309] [2022-11-19 08:00:26,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:00:26,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:00:26,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:00:26,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:00:26,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:00:26,703 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:00:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:00:28,461 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2022-11-19 08:00:28,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:00:28,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2022-11-19 08:00:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:00:28,468 INFO L225 Difference]: With dead ends: 252 [2022-11-19 08:00:28,468 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 08:00:28,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:00:28,470 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:00:28,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 299 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-19 08:00:28,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 08:00:28,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 08:00:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2022-11-19 08:00:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2022-11-19 08:00:28,488 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2022-11-19 08:00:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:00:28,489 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2022-11-19 08:00:28,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:00:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2022-11-19 08:00:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:00:28,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:28,491 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:00:28,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:00:28,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:28,710 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-19 08:00:28,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:28,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2053486793, now seen corresponding path program 1 times [2022-11-19 08:00:28,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:28,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552172663] [2022-11-19 08:00:28,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:28,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:28,782 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:00:28,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464523434] [2022-11-19 08:00:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:28,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:00:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:28,784 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:00:28,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adff9fe1-dc01-48b0-9b4b-58fbdcd70ebd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:01:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:13,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:01:13,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:01:13,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:01:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:01:13,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:13,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552172663] [2022-11-19 08:01:13,332 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:01:13,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464523434] [2022-11-19 08:01:13,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464523434] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:01:13,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1962672798] [2022-11-19 08:01:13,361 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 08:01:13,362 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:01:13,366 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:01:13,373 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:01:13,374 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:01:13,553 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:01:13,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-11-19 08:01:13,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:01:13,614 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:01:13,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-19 08:01:13,689 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:01:13,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-19 08:01:13,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:01:13,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:01:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:13,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-19 08:01:13,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:01:14,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:01:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-19 08:01:14,410 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 [2022-11-19 08:01:14,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:01:14,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:01:14,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-11-19 08:01:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:01:14,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:01:14,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:01:14,912 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:01:14,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-19 08:01:14,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-19 08:01:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:14,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-19 08:01:15,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:01:15,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:01:15,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:01:15,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:01:15,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:01:15,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:01:15,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 08:01:15,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:01:15,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:01:15,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:01:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 08:01:15,550 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 46 treesize of output 16 [2022-11-19 08:01:15,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:01:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:15,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-19 08:01:15,863 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 46 treesize of output 16 [2022-11-19 08:01:15,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:01:16,945 INFO L217 Elim1Store]: Index analysis took 656 ms [2022-11-19 08:01:24,025 WARN L233 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 78 DAG size of output: 27 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:01:24,026 INFO L321 Elim1Store]: treesize reduction 128, result has 22.4 percent of original size [2022-11-19 08:01:24,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752687 treesize of output 10752705 [2022-11-19 08:01:24,962 INFO L217 Elim1Store]: Index analysis took 647 ms [2022-11-19 08:01:24,987 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-19 08:01:24,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 10752682 treesize of output 10752685 [2022-11-19 08:01:40,705 WARN L233 SmtUtils]: Spent 15.30s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:01:40,706 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:01:40,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 3050 treesize of output 2540 [2022-11-19 08:01:41,256 INFO L217 Elim1Store]: Index analysis took 336 ms [2022-11-19 08:02:17,162 WARN L233 SmtUtils]: Spent 35.90s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:02:17,163 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:02:17,164 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 4133 treesize of output 3952 [2022-11-19 08:02:19,038 INFO L217 Elim1Store]: Index analysis took 1065 ms [2022-11-19 08:02:59,024 WARN L233 SmtUtils]: Spent 39.29s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:02:59,025 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-19 08:02:59,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-19 08:03:00,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:00,698 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-19 08:03:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:00,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:00,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-19 08:03:02,044 INFO L217 Elim1Store]: Index analysis took 732 ms [2022-11-19 08:03:03,094 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-19 08:03:03,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-19 08:03:03,259 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-19 08:03:03,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 08:03:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:03,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 08:03:03,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:03,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:03,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:03,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 251 [2022-11-19 08:03:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:04,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:04,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 08:03:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:05,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-19 08:03:06,806 INFO L217 Elim1Store]: Index analysis took 274 ms [2022-11-19 08:03:07,110 INFO L321 Elim1Store]: treesize reduction 49, result has 22.2 percent of original size [2022-11-19 08:03:07,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 132 [2022-11-19 08:03:07,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-19 08:03:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:07,466 INFO L217 Elim1Store]: Index analysis took 150 ms [2022-11-19 08:03:08,751 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:03:08,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 70 [2022-11-19 08:03:09,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:09,035 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:03:09,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2022-11-19 08:03:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:09,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:03:09,365 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:03:10,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:10,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:10,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:10,633 INFO L217 Elim1Store]: Index analysis took 428 ms [2022-11-19 08:03:10,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 430 treesize of output 314 [2022-11-19 08:03:11,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:11,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:11,279 INFO L217 Elim1Store]: Index analysis took 180 ms [2022-11-19 08:03:11,822 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:03:11,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 77 [2022-11-19 08:03:11,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:11,895 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:03:11,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:12,009 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:03:12,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:12,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:12,589 INFO L217 Elim1Store]: Index analysis took 160 ms [2022-11-19 08:03:12,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 118 [2022-11-19 08:03:12,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:12,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2022-11-19 08:03:13,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:13,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:03:13,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:13,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:14,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:03:14,463 INFO L217 Elim1Store]: Index analysis took 607 ms [2022-11-19 08:03:14,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1830 treesize of output 1294 [2022-11-19 08:03:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:15,423 INFO L217 Elim1Store]: Index analysis took 460 ms [2022-11-19 08:03:15,800 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:03:15,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 217 treesize of output 217 [2022-11-19 08:03:16,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 191 [2022-11-19 08:03:16,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:16,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:03:16,446 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:03:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:03:16,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:03:22,989 INFO L217 Elim1Store]: Index analysis took 1717 ms [2022-11-19 08:11:19,741 WARN L233 SmtUtils]: Spent 7.95m on a formula simplification. DAG size of input: 339 DAG size of output: 90 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:11:19,742 INFO L321 Elim1Store]: treesize reduction 32656, result has 1.1 percent of original size [2022-11-19 08:11:19,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 632689 treesize of output 687911 [2022-11-19 08:11:50,757 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:11:51,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32155 treesize of output 32135 [2022-11-19 08:11:52,502 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:11:53,152 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:11:53,820 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:11:53,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:13:15,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:15,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:15,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:16,358 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:13:16,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:16,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:16,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:17,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:13:17,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:17,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:17,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:17,884 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:13:18,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:18,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:18,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:18,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:13:18,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:18,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:18,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:13:19,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:19,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:23,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:26,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:26,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:27,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:27,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:27,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:27,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:28,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:28,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:29,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:30,624 INFO L217 Elim1Store]: Index analysis took 11322 ms [2022-11-19 08:13:30,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 302807 treesize of output 8177872 [2022-11-19 08:13:38,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:38,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:38,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:39,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:39,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:41,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:41,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:41,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:41,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:48,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:48,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:48,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:48,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:52,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:52,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:52,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:13:55,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:05,355 INFO L217 Elim1Store]: Index analysis took 25946 ms [2022-11-19 08:14:05,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 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 308176 treesize of output 12086418 [2022-11-19 08:14:10,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:10,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:10,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:11,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:11,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:11,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:11,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:11,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:11,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:13,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:13,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:13,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:19,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:20,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:20,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:20,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:20,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:23,388 INFO L217 Elim1Store]: Index analysis took 12156 ms [2022-11-19 08:14:23,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 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 146117 treesize of output 2426148 [2022-11-19 08:14:24,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:24,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:24,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:24,722 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:14:29,604 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse1 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1))) (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1) 8) v_DerPreprocessor_3))) |ULTIMATE.start_main_~user~0#1.base|) .cse1)) |ULTIMATE.start_main_~user~0#1.base|) [2022-11-19 08:14:31,966 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1))) (= (select (select (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1) 8) v_DerPreprocessor_3)) |ULTIMATE.start_main_~user~0#1.base|) .cse1) .cse0))) [2022-11-19 08:14:33,970 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse0 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= .cse0 (select (select (store .cse1 .cse0 (store (select .cse1 .cse0) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)))))) [2022-11-19 08:14:34,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:36,758 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |ULTIMATE.start_main_~user~0#1.base| (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4))) [2022-11-19 08:14:41,913 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4))))) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) |ULTIMATE.start_main_~_hj_key~0#1.base|) [2022-11-19 08:14:44,658 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse0 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= .cse0 (select (select (store .cse1 .cse0 (store (select .cse1 .cse0) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)))))) [2022-11-19 08:14:46,985 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (let ((.cse1 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (select (select (let ((.cse0 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1))) (store |v_#memory_$Pointer$.base_28| .cse0 (store (select |v_#memory_$Pointer$.base_28| .cse0) (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse1) 8) v_DerPreprocessor_3))) |ULTIMATE.start_main_~user~0#1.base|) .cse1)) |ULTIMATE.start_main_~_hj_key~0#1.base|) [2022-11-19 08:14:47,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:14:52,936 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse0 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 .cse0) (select v_arrayElimArr_17 (select (select (store .cse1 .cse0 (store (select .cse1 .cse0) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4))))))) [2022-11-19 08:14:54,956 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse1 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse0 (select (select .cse1 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 .cse0) (select v_arrayElimArr_17 (select (select (store .cse1 .cse0 (store (select .cse1 .cse0) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4))))))) [2022-11-19 08:15:02,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:15:04,881 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 (select (select (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select v_arrayElimArr_22 .cse1)))))) [2022-11-19 08:15:06,889 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse4 (+ |ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse2 (select (select |v_#memory_$Pointer$.base_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_28| |ULTIMATE.start_main_~user~0#1.base|) .cse4) 8))) (let ((.cse0 (store |v_#memory_$Pointer$.base_28| .cse2 (store (select |v_#memory_$Pointer$.base_28| .cse2) .cse3 v_DerPreprocessor_3)))) (let ((.cse1 (select (select .cse0 |ULTIMATE.start_main_~user~0#1.base|) .cse4))) (= (select v_arrayElimArr_17 (select (select (store .cse0 .cse1 (store (select .cse0 .cse1) (+ (select (select (store |v_#memory_$Pointer$.offset_28| .cse2 (store (select |v_#memory_$Pointer$.offset_28| .cse2) .cse3 v_DerPreprocessor_5)) |ULTIMATE.start_main_~user~0#1.base|) .cse4) 20) v_DerPreprocessor_4)) |ULTIMATE.start_main_~user~0#1.base|) .cse4)) (select v_arrayElimArr_22 .cse1))))))