./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.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_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/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_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/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_6a717e81-7728-47f6-9a72-eee90c7a1131/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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- 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 07:09:38,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:09:38,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:09:38,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:09:38,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:09:38,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:09:38,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:09:38,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:09:38,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:09:38,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:09:38,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:09:38,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:09:38,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:09:38,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:09:38,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:09:38,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:09:38,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:09:38,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:09:38,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:09:38,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:09:38,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:09:38,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:09:38,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:09:38,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:09:38,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:09:38,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:09:38,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:09:38,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:09:38,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:09:38,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:09:38,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:09:38,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:09:38,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:09:38,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:09:38,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:09:38,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:09:38,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:09:38,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:09:38,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:09:38,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:09:38,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:09:38,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:09:38,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:09:38,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:09:38,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:09:38,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:09:38,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:09:38,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:09:38,418 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:09:38,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:09:38,418 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:09:38,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:09:38,419 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:09:38,420 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:09:38,420 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:09:38,420 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:09:38,420 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:09:38,421 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:09:38,421 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:09:38,421 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:09:38,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:09:38,422 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:09:38,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:09:38,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:09:38,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:09:38,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:09:38,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:09:38,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:09:38,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:09:38,425 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:09:38,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:09:38,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:09:38,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:09:38,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:09:38,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:09:38,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:09:38,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:09:38,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:09:38,427 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:09:38,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:09:38,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:09:38,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:09:38,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:09:38,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:09:38,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:09:38,429 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_6a717e81-7728-47f6-9a72-eee90c7a1131/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2022-11-19 07:09:38,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:09:38,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:09:38,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:09:38,735 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:09:38,736 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:09:38,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2022-11-19 07:09:38,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/data/a1fdeba9d/5a6c32cc7bb14658ae64470db40a6567/FLAG743f6400e [2022-11-19 07:09:39,474 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:09:39,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2022-11-19 07:09:39,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/data/a1fdeba9d/5a6c32cc7bb14658ae64470db40a6567/FLAG743f6400e [2022-11-19 07:09:39,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/data/a1fdeba9d/5a6c32cc7bb14658ae64470db40a6567 [2022-11-19 07:09:39,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:09:39,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:09:39,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:09:39,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:09:39,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:09:39,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:39" (1/1) ... [2022-11-19 07:09:39,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e3e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:39, skipping insertion in model container [2022-11-19 07:09:39,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:09:39" (1/1) ... [2022-11-19 07:09:39,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:09:39,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:09:40,288 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_6a717e81-7728-47f6-9a72-eee90c7a1131/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[33021,33034] [2022-11-19 07:09:40,412 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_6a717e81-7728-47f6-9a72-eee90c7a1131/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[45234,45247] [2022-11-19 07:09:40,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:09:40,430 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:09:40,462 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_6a717e81-7728-47f6-9a72-eee90c7a1131/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[33021,33034] [2022-11-19 07:09:40,529 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_6a717e81-7728-47f6-9a72-eee90c7a1131/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[45234,45247] [2022-11-19 07:09:40,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:09:40,570 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:09:40,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40 WrapperNode [2022-11-19 07:09:40,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:09:40,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:09:40,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:09:40,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:09:40,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,716 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-19 07:09:40,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:09:40,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:09:40,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:09:40,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:09:40,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,807 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:09:40,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:09:40,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:09:40,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:09:40,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (1/1) ... [2022-11-19 07:09:40,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:09:40,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:40,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:09:40,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:09:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:09:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:09:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:09:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:09:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:09:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:09:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-19 07:09:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-19 07:09:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:09:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:09:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:09:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:09:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:09:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:09:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:09:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:09:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:09:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:09:41,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:09:41,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:09:42,917 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:09:43,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:09:43,437 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-11-19 07:09:43,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:43 BoogieIcfgContainer [2022-11-19 07:09:43,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:09:43,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:09:43,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:09:43,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:09:43,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:09:39" (1/3) ... [2022-11-19 07:09:43,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732ef972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:43, skipping insertion in model container [2022-11-19 07:09:43,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:09:40" (2/3) ... [2022-11-19 07:09:43,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732ef972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:09:43, skipping insertion in model container [2022-11-19 07:09:43,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:09:43" (3/3) ... [2022-11-19 07:09:43,463 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2022-11-19 07:09:43,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:09:43,484 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:09:43,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:09:43,555 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;@333e4418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:09:43,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:09:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-19 07:09:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:09:43,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:43,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:09:43,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:09:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash 28438595, now seen corresponding path program 1 times [2022-11-19 07:09:43,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:43,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874003083] [2022-11-19 07:09:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:43,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:43,717 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:09:43,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875957083] [2022-11-19 07:09:43,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:43,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:43,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:43,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:43,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:09:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:43,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:09:43,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:44,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-19 07:09:44,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 07:09:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:09:44,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-11-19 07:09:44,140 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 07:09:44,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:44,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:44,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874003083] [2022-11-19 07:09:44,141 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:09:44,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875957083] [2022-11-19 07:09:44,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875957083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:44,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:44,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:09:44,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295769303] [2022-11-19 07:09:44,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:44,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:09:44,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:44,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:09:44,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:09:44,186 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 07:09:45,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:45,658 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2022-11-19 07:09:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:09:45,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-19 07:09:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:45,676 INFO L225 Difference]: With dead ends: 368 [2022-11-19 07:09:45,677 INFO L226 Difference]: Without dead ends: 208 [2022-11-19 07:09:45,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:09:45,691 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:45,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 499 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:09:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-19 07:09:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-19 07:09:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-19 07:09:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-19 07:09:45,748 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-19 07:09:45,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:45,749 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-19 07:09:45,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 07:09:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-19 07:09:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:09:45,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:45,752 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] [2022-11-19 07:09:45,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:45,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:45,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:09:45,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:45,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1795405831, now seen corresponding path program 1 times [2022-11-19 07:09:45,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:45,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596733490] [2022-11-19 07:09:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:45,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:46,525 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 07:09:46,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:46,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596733490] [2022-11-19 07:09:46,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596733490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:46,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:46,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:09:46,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043490188] [2022-11-19 07:09:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:46,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:09:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:46,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:09:46,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:09:46,533 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:48,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:48,355 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-19 07:09:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:09:48,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-19 07:09:48,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:48,358 INFO L225 Difference]: With dead ends: 297 [2022-11-19 07:09:48,358 INFO L226 Difference]: Without dead ends: 204 [2022-11-19 07:09:48,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:09:48,361 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:48,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 504 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:09:48,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-19 07:09:48,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-19 07:09:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-19 07:09:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-19 07:09:48,380 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-19 07:09:48,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:48,381 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-19 07:09:48,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:48,381 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-19 07:09:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 07:09:48,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:48,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:48,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:09:48,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:09:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash 421381030, now seen corresponding path program 1 times [2022-11-19 07:09:48,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:48,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674911858] [2022-11-19 07:09:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:48,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:48,517 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:09:48,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61758647] [2022-11-19 07:09:48,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:48,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:48,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:48,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:09:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:49,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:09:49,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:49,444 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 07:09:49,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:49,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:49,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674911858] [2022-11-19 07:09:49,445 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:09:49,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61758647] [2022-11-19 07:09:49,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61758647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:49,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:49,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:09:49,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173130949] [2022-11-19 07:09:49,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:49,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:09:49,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:49,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:09:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:09:49,449 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:51,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:51,127 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2022-11-19 07:09:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:09:51,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 07:09:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:51,134 INFO L225 Difference]: With dead ends: 247 [2022-11-19 07:09:51,134 INFO L226 Difference]: Without dead ends: 246 [2022-11-19 07:09:51,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 07:09:51,136 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 72 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:51,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 544 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-19 07:09:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-19 07:09:51,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2022-11-19 07:09:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:09:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-19 07:09:51,171 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2022-11-19 07:09:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:51,172 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-19 07:09:51,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-19 07:09:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:09:51,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:51,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:51,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:51,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:51,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:09:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 177910084, now seen corresponding path program 1 times [2022-11-19 07:09:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:51,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237052196] [2022-11-19 07:09:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:51,534 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:09:51,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559627325] [2022-11-19 07:09:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:51,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:51,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:51,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:09:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:52,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:09:52,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:52,512 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 07:09:52,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:52,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:52,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237052196] [2022-11-19 07:09:52,518 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:09:52,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559627325] [2022-11-19 07:09:52,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559627325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:52,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:52,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:09:52,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601610953] [2022-11-19 07:09:52,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:52,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:09:52,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:09:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:09:52,521 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:53,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:53,572 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2022-11-19 07:09:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:09:53,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:09:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:53,582 INFO L225 Difference]: With dead ends: 213 [2022-11-19 07:09:53,582 INFO L226 Difference]: Without dead ends: 212 [2022-11-19 07:09:53,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 07:09:53,584 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 191 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:53,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:09:53,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-19 07:09:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2022-11-19 07:09:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 07:09:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2022-11-19 07:09:53,604 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2022-11-19 07:09:53,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:53,604 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2022-11-19 07:09:53,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:09:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2022-11-19 07:09:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 07:09:53,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:53,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:53,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 07:09:53,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:53,817 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:09:53,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:53,817 INFO L85 PathProgramCache]: Analyzing trace with hash 152449389, now seen corresponding path program 1 times [2022-11-19 07:09:53,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:53,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630814362] [2022-11-19 07:09:53,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:53,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:53,988 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:09:53,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677745312] [2022-11-19 07:09:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:53,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:53,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:53,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:53,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:09:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:54,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:09:54,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:09:55,040 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 07:09:55,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:09:55,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:55,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630814362] [2022-11-19 07:09:55,046 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:09:55,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677745312] [2022-11-19 07:09:55,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677745312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:55,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:55,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:09:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792949302] [2022-11-19 07:09:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:55,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:09:55,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:55,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:09:55,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:09:55,050 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:09:55,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:55,963 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2022-11-19 07:09:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:09:55,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-11-19 07:09:55,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:55,966 INFO L225 Difference]: With dead ends: 432 [2022-11-19 07:09:55,966 INFO L226 Difference]: Without dead ends: 247 [2022-11-19 07:09:55,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 07:09:55,969 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:55,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 07:09:55,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-19 07:09:56,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2022-11-19 07:09:56,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-19 07:09:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2022-11-19 07:09:56,023 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2022-11-19 07:09:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:56,024 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2022-11-19 07:09:56,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:09:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2022-11-19 07:09:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 07:09:56,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:56,029 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:56,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:09:56,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:56,239 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:09:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash 841650105, now seen corresponding path program 1 times [2022-11-19 07:09:56,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:56,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090485777] [2022-11-19 07:09:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:56,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:56,302 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:09:56,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105490533] [2022-11-19 07:09:56,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:56,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:09:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:09:56,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:09:56,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:10:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:14,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:10:14,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:10:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:10:14,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:10:14,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:14,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090485777] [2022-11-19 07:10:14,972 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:10:14,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105490533] [2022-11-19 07:10:14,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105490533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:14,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:14,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:10:14,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570774981] [2022-11-19 07:10:14,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:14,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:10:14,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:10:14,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:10:14,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:10:14,975 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:10:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:16,421 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2022-11-19 07:10:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:10:16,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-19 07:10:16,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:16,427 INFO L225 Difference]: With dead ends: 471 [2022-11-19 07:10:16,427 INFO L226 Difference]: Without dead ends: 248 [2022-11-19 07:10:16,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 07:10:16,436 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:16,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 07:10:16,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-19 07:10:16,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-19 07:10:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-19 07:10:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2022-11-19 07:10:16,462 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2022-11-19 07:10:16,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:16,462 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2022-11-19 07:10:16,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:10:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2022-11-19 07:10:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 07:10:16,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:16,468 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:16,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:10:16,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 07:10:16,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:10:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:16,670 INFO L85 PathProgramCache]: Analyzing trace with hash 492968789, now seen corresponding path program 1 times [2022-11-19 07:10:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:16,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341944879] [2022-11-19 07:10:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:16,748 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:10:16,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191326931] [2022-11-19 07:10:16,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:16,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:10:16,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:10:16,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:10:16,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a717e81-7728-47f6-9a72-eee90c7a1131/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:10:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:35,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 07:10:35,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:10:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 07:10:35,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:10:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:10:35,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:35,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341944879] [2022-11-19 07:10:35,721 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:10:35,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191326931] [2022-11-19 07:10:35,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191326931] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:10:35,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1188995319] [2022-11-19 07:10:35,749 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-19 07:10:35,751 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:10:35,756 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:10:35,762 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:10:35,763 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:10:35,835 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 07:10:35,840 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 07:10:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:35,867 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 07:10:35,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 07:10:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:35,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 07:10:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:35,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 07:10:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:35,965 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:10:35,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 07:10:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,006 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:10:36,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-19 07:10:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,081 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:10:36,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:10:36,104 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 07:10:36,117 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 07:10:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-11-19 07:10:36,218 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 07:10:36,230 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 07:10:36,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-19 07:10:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 07:10:36,863 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 07:10:36,884 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 07:10:36,934 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 07:10:36,949 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 07:10:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:10:37,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:10:37,211 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 07:10:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,298 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:10:37,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 07:10:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-19 07:10:37,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 07:10:37,433 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 07:10:37,660 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 07:10:37,665 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 07:10:37,670 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 07:10:37,701 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 07:10:37,711 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 07:10:37,722 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 07:10:37,744 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 07:10:37,749 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 07:10:37,756 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 07:10:37,822 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 07:10:37,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:10:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:37,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:10:38,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:38,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 07:10:38,158 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 07:10:38,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 07:10:39,689 INFO L217 Elim1Store]: Index analysis took 1222 ms [2022-11-19 07:10:44,446 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 07:10:44,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 07:10:45,591 INFO L217 Elim1Store]: Index analysis took 961 ms [2022-11-19 07:10:46,368 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 07:10:46,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 07:13:49,458 WARN L233 SmtUtils]: Spent 3.01m on a formula simplification. DAG size of input: 175 DAG size of output: 88 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:13:49,459 INFO L321 Elim1Store]: treesize reduction 1247, result has 21.9 percent of original size [2022-11-19 07:13:49,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 13 case distinctions, treesize of input 10646 treesize of output 7509 [2022-11-19 07:13:50,136 INFO L217 Elim1Store]: Index analysis took 170 ms [2022-11-19 07:15:25,908 WARN L233 SmtUtils]: Spent 1.60m on a formula simplification. DAG size of input: 101 DAG size of output: 56 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:15:25,909 INFO L321 Elim1Store]: treesize reduction 590, result has 31.2 percent of original size [2022-11-19 07:15:25,910 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 18187 treesize of output 17206 [2022-11-19 07:15:29,991 INFO L217 Elim1Store]: Index analysis took 2678 ms [2022-11-19 07:20:51,551 WARN L233 SmtUtils]: Spent 5.34m on a formula simplification. DAG size of input: 418 DAG size of output: 235 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:20:51,565 INFO L321 Elim1Store]: treesize reduction 13537, result has 27.0 percent of original size [2022-11-19 07:20:51,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 13924 treesize of output 15462 [2022-11-19 07:21:30,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:21:33,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:22:42,808 INFO L217 Elim1Store]: Index analysis took 72964 ms