./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/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_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/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_74f1103f-c154-494b-b27c-c902be8934f9/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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- 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 06:46:01,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:46:01,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:46:01,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:46:01,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:46:01,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:46:01,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:46:01,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:46:01,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:46:01,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:46:01,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:46:01,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:46:01,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:46:01,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:46:01,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:46:01,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:46:01,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:46:01,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:46:01,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:46:01,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:46:01,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:46:01,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:46:01,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:46:01,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:46:01,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:46:01,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:46:01,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:46:01,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:46:01,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:46:01,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:46:01,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:46:01,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:46:01,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:46:01,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:46:01,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:46:01,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:46:01,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:46:01,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:46:01,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:46:01,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:46:01,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:46:01,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 06:46:01,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:46:01,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:46:01,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:46:01,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:46:01,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:46:01,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:46:01,851 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:46:01,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:46:01,851 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:46:01,851 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:46:01,853 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:46:01,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:46:01,853 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:46:01,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:46:01,854 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:46:01,854 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:46:01,855 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:46:01,855 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:46:01,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:46:01,856 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:46:01,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:46:01,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:46:01,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:46:01,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:46:01,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:46:01,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:46:01,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:46:01,858 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 06:46:01,858 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:46:01,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:46:01,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:46:01,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:46:01,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:46:01,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:46:01,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:46:01,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:46:01,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:46:01,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:46:01,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:46:01,862 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:46:01,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:46:01,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:46:01,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:46:01,863 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_74f1103f-c154-494b-b27c-c902be8934f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2022-11-19 06:46:02,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:46:02,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:46:02,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:46:02,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:46:02,335 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:46:02,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2022-11-19 06:46:02,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/data/e0d657638/62b55051a3e54f3dbba7ca0abaee839b/FLAGb0bd91271 [2022-11-19 06:46:03,129 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:46:03,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2022-11-19 06:46:03,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/data/e0d657638/62b55051a3e54f3dbba7ca0abaee839b/FLAGb0bd91271 [2022-11-19 06:46:03,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/data/e0d657638/62b55051a3e54f3dbba7ca0abaee839b [2022-11-19 06:46:03,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:46:03,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:46:03,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:46:03,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:46:03,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:46:03,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:46:03" (1/1) ... [2022-11-19 06:46:03,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ce34bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:03, skipping insertion in model container [2022-11-19 06:46:03,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:46:03" (1/1) ... [2022-11-19 06:46:03,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:46:03,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:46:04,120 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_74f1103f-c154-494b-b27c-c902be8934f9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2022-11-19 06:46:04,231 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_74f1103f-c154-494b-b27c-c902be8934f9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2022-11-19 06:46:04,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:46:04,257 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:46:04,289 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_74f1103f-c154-494b-b27c-c902be8934f9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2022-11-19 06:46:04,357 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_74f1103f-c154-494b-b27c-c902be8934f9/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2022-11-19 06:46:04,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:46:04,405 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:46:04,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04 WrapperNode [2022-11-19 06:46:04,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:46:04,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:46:04,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:46:04,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:46:04,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,585 INFO L138 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1185 [2022-11-19 06:46:04,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:46:04,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:46:04,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:46:04,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:46:04,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,703 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:46:04,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:46:04,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:46:04,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:46:04,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (1/1) ... [2022-11-19 06:46:04,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:46:04,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:04,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:46:04,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:46:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:46:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:46:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:46:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:46:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:46:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:46:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:46:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:46:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:46:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:46:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:46:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:46:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:46:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:46:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:46:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:46:05,129 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:46:05,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:46:07,338 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:46:07,972 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:46:07,972 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-11-19 06:46:07,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:07 BoogieIcfgContainer [2022-11-19 06:46:07,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:46:07,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:46:07,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:46:07,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:46:07,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:46:03" (1/3) ... [2022-11-19 06:46:07,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fac530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:46:07, skipping insertion in model container [2022-11-19 06:46:07,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:04" (2/3) ... [2022-11-19 06:46:07,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fac530d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:46:07, skipping insertion in model container [2022-11-19 06:46:07,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:07" (3/3) ... [2022-11-19 06:46:07,989 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2022-11-19 06:46:08,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:46:08,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 06:46:08,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:46:08,088 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;@5ee592c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:46:08,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 06:46:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 128 states have (on average 1.8125) internal successors, (232), 141 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:46:08,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:46:08,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:08,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:46:08,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:46:08,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:08,111 INFO L85 PathProgramCache]: Analyzing trace with hash 29805783, now seen corresponding path program 1 times [2022-11-19 06:46:08,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:08,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865998736] [2022-11-19 06:46:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:08,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:08,284 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:08,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502286201] [2022-11-19 06:46:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:08,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:08,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:08,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:08,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:46:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:08,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 06:46:08,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:08,671 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 06:46:08,683 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 06:46:08,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:08,735 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 06:46:08,748 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 06:46:08,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:08,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:08,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865998736] [2022-11-19 06:46:08,749 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:08,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502286201] [2022-11-19 06:46:08,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502286201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:08,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:08,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:46:08,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620709899] [2022-11-19 06:46:08,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:08,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:46:08,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:08,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:46:08,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:46:08,815 INFO L87 Difference]: Start difference. First operand has 147 states, 128 states have (on average 1.8125) internal successors, (232), 141 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) 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 06:46:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:10,748 INFO L93 Difference]: Finished difference Result 365 states and 629 transitions. [2022-11-19 06:46:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:46:10,755 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 06:46:10,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:10,768 INFO L225 Difference]: With dead ends: 365 [2022-11-19 06:46:10,769 INFO L226 Difference]: Without dead ends: 201 [2022-11-19 06:46:10,773 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 06:46:10,778 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 77 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:10,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 396 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 06:46:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-19 06:46:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2022-11-19 06:46:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:46:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2022-11-19 06:46:10,844 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2022-11-19 06:46:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:10,845 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2022-11-19 06:46:10,845 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 06:46:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2022-11-19 06:46:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 06:46:10,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:10,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:10,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:11,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 06:46:11,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:46:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1816263681, now seen corresponding path program 1 times [2022-11-19 06:46:11,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:11,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904130927] [2022-11-19 06:46:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:11,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:11,450 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 06:46:11,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:11,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904130927] [2022-11-19 06:46:11,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904130927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:11,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:11,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:11,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234561011] [2022-11-19 06:46:11,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:11,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:46:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:46:11,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:46:11,456 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 06:46:13,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:13,985 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2022-11-19 06:46:13,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:46:13,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-19 06:46:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:13,991 INFO L225 Difference]: With dead ends: 266 [2022-11-19 06:46:13,992 INFO L226 Difference]: Without dead ends: 195 [2022-11-19 06:46:13,992 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 06:46:13,994 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:13,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 379 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-19 06:46:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-19 06:46:14,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2022-11-19 06:46:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:46:14,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2022-11-19 06:46:14,014 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2022-11-19 06:46:14,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:14,015 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2022-11-19 06:46:14,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 06:46:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2022-11-19 06:46:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 06:46:14,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:14,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:14,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:46:14,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:46:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:14,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1794181175, now seen corresponding path program 1 times [2022-11-19 06:46:14,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:14,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802379269] [2022-11-19 06:46:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:14,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:14,234 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:14,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343315206] [2022-11-19 06:46:14,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:14,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:14,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:14,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:14,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:46:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:15,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:46:15,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:15,363 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 06:46:15,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:15,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:15,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802379269] [2022-11-19 06:46:15,366 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:15,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343315206] [2022-11-19 06:46:15,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343315206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:15,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:15,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:46:15,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504599020] [2022-11-19 06:46:15,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:15,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:15,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:15,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:15,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:15,371 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:46:18,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:46:18,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:18,608 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2022-11-19 06:46:18,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-19 06:46:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:18,621 INFO L225 Difference]: With dead ends: 332 [2022-11-19 06:46:18,621 INFO L226 Difference]: Without dead ends: 201 [2022-11-19 06:46:18,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 06:46:18,624 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:18,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 300 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-19 06:46:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-19 06:46:18,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2022-11-19 06:46:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 06:46:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2022-11-19 06:46:18,645 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2022-11-19 06:46:18,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:18,646 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2022-11-19 06:46:18,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:46:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2022-11-19 06:46:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 06:46:18,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:18,649 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] [2022-11-19 06:46:18,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:18,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 06:46:18,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:46:18,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1709113415, now seen corresponding path program 1 times [2022-11-19 06:46:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:18,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291295323] [2022-11-19 06:46:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:18,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:18,927 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:18,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213471900] [2022-11-19 06:46:18,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:18,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:18,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:18,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:47:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:04,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:47:04,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:47:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:47:04,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:47:04,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:04,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291295323] [2022-11-19 06:47:04,795 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:47:04,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213471900] [2022-11-19 06:47:04,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213471900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:04,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:47:04,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:47:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253320002] [2022-11-19 06:47:04,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:04,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:47:04,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:04,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:47:04,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:47:04,806 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:47:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:47:05,855 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2022-11-19 06:47:05,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:47:05,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-19 06:47:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:47:05,860 INFO L225 Difference]: With dead ends: 346 [2022-11-19 06:47:05,860 INFO L226 Difference]: Without dead ends: 183 [2022-11-19 06:47:05,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 06:47:05,862 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:47:05,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 419 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 06:47:05,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-19 06:47:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-19 06:47:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-19 06:47:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2022-11-19 06:47:05,895 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2022-11-19 06:47:05,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:47:05,895 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2022-11-19 06:47:05,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:47:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2022-11-19 06:47:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 06:47:05,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:47:05,897 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:47:05,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:47:06,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:47:06,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:47:06,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:47:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 481434719, now seen corresponding path program 1 times [2022-11-19 06:47:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:47:06,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126291968] [2022-11-19 06:47:06,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:06,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:06,191 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:47:06,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103693889] [2022-11-19 06:47:06,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:47:06,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:47:06,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:47:06,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:47:06,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f1103f-c154-494b-b27c-c902be8934f9/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:47:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:47:44,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 06:47:44,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:47:44,851 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 06:47:44,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:47:44,997 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 06:47:44,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126291968] [2022-11-19 06:47:44,998 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:47:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103693889] [2022-11-19 06:47:44,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103693889] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:47:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1306939853] [2022-11-19 06:47:45,029 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 06:47:45,030 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:47:45,033 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:47:45,044 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:47:45,044 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:47:45,138 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 06:47:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,175 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:47:45,176 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 06:47:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,193 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 06:47:45,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:47:45,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,218 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 06:47:45,279 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 06:47:45,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,306 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 06:47:45,306 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 06:47:45,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,354 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:47:45,354 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 06:47:45,373 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 06:47:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,429 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:47:45,430 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 06:47:45,476 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 06:47:45,486 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 06:47:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:45,505 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 06:47:46,011 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 06:47:46,030 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 06:47:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,094 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 06:47:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,150 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 9896993 treesize of output 5376298 [2022-11-19 06:47:46,225 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 06:47:46,240 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 06:47:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,319 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 06:47:46,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,408 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 06:47:46,500 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 06:47:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,572 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 06:47:46,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 06:47:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,657 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:47:46,657 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 06:47:46,690 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 06:47:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:46,744 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 06:47:46,982 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 06:47:46,988 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 06:47:46,993 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 06:47:47,017 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 06:47:47,028 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 06:47:47,036 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 06:47:47,061 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 06:47:47,066 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 06:47:47,072 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 06:47:47,140 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 06:47:47,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,193 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 06:47:47,219 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 06:47:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:47,467 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 06:47:47,502 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 06:47:47,520 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 06:47:49,645 INFO L217 Elim1Store]: Index analysis took 1736 ms [2022-11-19 06:47:58,064 WARN L233 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:47:58,064 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 06:47:58,065 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 06:47:59,331 INFO L217 Elim1Store]: Index analysis took 832 ms [2022-11-19 06:47:59,936 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 06:47:59,936 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 06:51:20,184 WARN L233 SmtUtils]: Spent 3.33m on a formula simplification. DAG size of input: 198 DAG size of output: 106 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:51:20,185 INFO L321 Elim1Store]: treesize reduction 1611, result has 24.6 percent of original size [2022-11-19 06:51:20,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5842 [2022-11-19 06:51:20,653 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-19 06:52:57,205 WARN L233 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:52:57,206 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 06:52:57,208 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 7180 treesize of output 5993 [2022-11-19 06:53:03,218 INFO L217 Elim1Store]: Index analysis took 3272 ms