./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/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_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/nr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/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_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/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 3219130777e42bfc39497c312a66c6d1b1af231a6df358861eaa545434d20cb1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:18:49,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:18:49,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:18:49,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:18:49,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:18:49,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:18:49,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:18:49,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:18:49,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:18:49,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:18:49,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:18:49,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:18:49,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:18:49,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:18:49,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:18:49,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:18:49,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:18:49,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:18:49,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:18:49,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:18:49,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:18:49,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:18:49,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:18:49,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:18:49,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:18:49,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:18:49,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:18:49,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:18:49,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:18:49,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:18:49,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:18:49,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:18:49,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:18:49,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:18:49,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:18:49,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:18:49,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:18:49,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:18:49,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:18:49,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:18:49,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:18:49,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:18:49,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:18:49,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:18:49,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:18:49,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:18:49,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:18:49,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:18:49,648 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:18:49,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:18:49,649 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:18:49,649 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:18:49,651 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:18:49,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:18:49,651 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:18:49,652 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:18:49,652 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:18:49,652 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:18:49,653 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:18:49,653 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:18:49,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:18:49,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:18:49,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:18:49,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:18:49,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:18:49,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:18:49,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:18:49,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:18:49,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:18:49,656 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:18:49,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:18:49,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:18:49,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:18:49,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:18:49,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:18:49,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:18:49,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:49,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:18:49,660 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:18:49,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:18:49,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:18:49,661 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:18:49,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:18:49,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:18:49,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:18:49,662 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_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3219130777e42bfc39497c312a66c6d1b1af231a6df358861eaa545434d20cb1 [2022-11-19 08:18:50,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:18:50,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:18:50,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:18:50,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:18:50,126 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:18:50,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/array-tiling/nr4.c [2022-11-19 08:18:50,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/data/7b0dd0a7a/2ae341dca25747ed990d6cbcfdfb19a7/FLAGfeecd7c10 [2022-11-19 08:18:50,886 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:18:50,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/sv-benchmarks/c/array-tiling/nr4.c [2022-11-19 08:18:50,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/data/7b0dd0a7a/2ae341dca25747ed990d6cbcfdfb19a7/FLAGfeecd7c10 [2022-11-19 08:18:51,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/data/7b0dd0a7a/2ae341dca25747ed990d6cbcfdfb19a7 [2022-11-19 08:18:51,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:18:51,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:18:51,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:51,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:18:51,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:18:51,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6c170c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51, skipping insertion in model container [2022-11-19 08:18:51,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:18:51,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:51,560 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_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/sv-benchmarks/c/array-tiling/nr4.c[394,407] [2022-11-19 08:18:51,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:51,601 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:18:51,622 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_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/sv-benchmarks/c/array-tiling/nr4.c[394,407] [2022-11-19 08:18:51,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:51,653 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:18:51,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51 WrapperNode [2022-11-19 08:18:51,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:51,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:51,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:18:51,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:18:51,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,715 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-11-19 08:18:51,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:51,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:18:51,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:18:51,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:18:51,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,746 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:18:51,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:18:51,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:18:51,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:18:51,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (1/1) ... [2022-11-19 08:18:51,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:51,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:51,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:18:51,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:18:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:18:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:18:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:18:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:18:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:18:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:18:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:18:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:18:51,928 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:18:51,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:18:52,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:18:52,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:18:52,264 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 08:18:52,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:52 BoogieIcfgContainer [2022-11-19 08:18:52,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:18:52,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:18:52,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:18:52,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:18:52,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:18:51" (1/3) ... [2022-11-19 08:18:52,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54944c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:52, skipping insertion in model container [2022-11-19 08:18:52,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:51" (2/3) ... [2022-11-19 08:18:52,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54944c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:52, skipping insertion in model container [2022-11-19 08:18:52,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:52" (3/3) ... [2022-11-19 08:18:52,292 INFO L112 eAbstractionObserver]: Analyzing ICFG nr4.c [2022-11-19 08:18:52,316 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:18:52,316 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-19 08:18:52,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:18:52,429 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;@199f50ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:18:52,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-19 08:18:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:18:52,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:52,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:18:52,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:52,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:52,467 INFO L85 PathProgramCache]: Analyzing trace with hash 4507266, now seen corresponding path program 1 times [2022-11-19 08:18:52,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:52,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652751278] [2022-11-19 08:18:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:52,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:53,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:53,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652751278] [2022-11-19 08:18:53,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652751278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:53,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:53,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:53,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434685264] [2022-11-19 08:18:53,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:53,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:18:53,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:53,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:18:53,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:18:53,269 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 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) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 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 08:18:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:53,393 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-11-19 08:18:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:18:53,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 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 08:18:53,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:53,419 INFO L225 Difference]: With dead ends: 58 [2022-11-19 08:18:53,419 INFO L226 Difference]: Without dead ends: 39 [2022-11-19 08:18:53,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:18:53,427 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 51 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:53,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 37 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:53,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-19 08:18:53,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-19 08:18:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.68) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-19 08:18:53,488 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 4 [2022-11-19 08:18:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:53,489 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-19 08:18:53,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 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 08:18:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-11-19 08:18:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:18:53,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:53,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:53,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:18:53,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:53,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash 733164359, now seen corresponding path program 1 times [2022-11-19 08:18:53,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:53,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023149274] [2022-11-19 08:18:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:53,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:53,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023149274] [2022-11-19 08:18:53,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023149274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:53,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:53,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:53,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298116398] [2022-11-19 08:18:53,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:53,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:53,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:53,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:53,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:53,607 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:53,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:53,719 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2022-11-19 08:18:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:53,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-19 08:18:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:53,721 INFO L225 Difference]: With dead ends: 98 [2022-11-19 08:18:53,721 INFO L226 Difference]: Without dead ends: 62 [2022-11-19 08:18:53,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:53,723 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:53,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 49 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:53,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-19 08:18:53,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2022-11-19 08:18:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-19 08:18:53,733 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 8 [2022-11-19 08:18:53,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:53,734 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-19 08:18:53,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-19 08:18:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:18:53,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:53,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:53,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:18:53,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:53,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1253145385, now seen corresponding path program 1 times [2022-11-19 08:18:53,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:53,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480650133] [2022-11-19 08:18:53,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:53,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:53,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:53,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480650133] [2022-11-19 08:18:53,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480650133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:53,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:53,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:53,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458780063] [2022-11-19 08:18:53,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:53,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:53,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:53,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:53,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:53,920 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 08:18:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:53,998 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-11-19 08:18:54,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:18:54,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 08:18:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:54,008 INFO L225 Difference]: With dead ends: 45 [2022-11-19 08:18:54,009 INFO L226 Difference]: Without dead ends: 43 [2022-11-19 08:18:54,011 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 08:18:54,017 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:54,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-19 08:18:54,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-19 08:18:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 42 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2022-11-19 08:18:54,036 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 9 [2022-11-19 08:18:54,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:54,038 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2022-11-19 08:18:54,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 08:18:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-11-19 08:18:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:18:54,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:54,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:54,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:18:54,041 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:54,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:54,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1253164894, now seen corresponding path program 1 times [2022-11-19 08:18:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:54,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678610502] [2022-11-19 08:18:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:54,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:54,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:54,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678610502] [2022-11-19 08:18:54,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678610502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:54,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:54,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:18:54,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564952941] [2022-11-19 08:18:54,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:54,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:54,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:54,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:54,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:54,176 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 08:18:54,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:54,277 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2022-11-19 08:18:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:18:54,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 08:18:54,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:54,279 INFO L225 Difference]: With dead ends: 97 [2022-11-19 08:18:54,279 INFO L226 Difference]: Without dead ends: 57 [2022-11-19 08:18:54,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:54,281 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:54,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 53 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:54,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-19 08:18:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2022-11-19 08:18:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 43 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-11-19 08:18:54,305 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 9 [2022-11-19 08:18:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:54,305 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-11-19 08:18:54,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 08:18:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-19 08:18:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:18:54,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:54,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:54,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:18:54,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:54,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1253164574, now seen corresponding path program 1 times [2022-11-19 08:18:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:54,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410859110] [2022-11-19 08:18:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:54,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:54,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410859110] [2022-11-19 08:18:54,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410859110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:54,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:54,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:18:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268107177] [2022-11-19 08:18:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:54,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:54,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:54,361 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.5) 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 08:18:54,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:54,455 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-11-19 08:18:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:54,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) 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 08:18:54,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:54,463 INFO L225 Difference]: With dead ends: 77 [2022-11-19 08:18:54,464 INFO L226 Difference]: Without dead ends: 73 [2022-11-19 08:18:54,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:54,471 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 23 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:54,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 40 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:54,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-19 08:18:54,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2022-11-19 08:18:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 61 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-11-19 08:18:54,482 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 9 [2022-11-19 08:18:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:54,482 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-19 08:18:54,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) 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 08:18:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-19 08:18:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 08:18:54,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:54,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:54,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:18:54,490 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1700315104, now seen corresponding path program 1 times [2022-11-19 08:18:54,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:54,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536931011] [2022-11-19 08:18:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:54,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:54,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536931011] [2022-11-19 08:18:54,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536931011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:54,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:54,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:54,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202453173] [2022-11-19 08:18:54,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:54,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:54,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:54,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:54,620 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:54,749 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2022-11-19 08:18:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:18:54,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-11-19 08:18:54,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:54,752 INFO L225 Difference]: With dead ends: 84 [2022-11-19 08:18:54,753 INFO L226 Difference]: Without dead ends: 82 [2022-11-19 08:18:54,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:54,759 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 43 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:54,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 45 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:54,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-19 08:18:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2022-11-19 08:18:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.5) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2022-11-19 08:18:54,787 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 11 [2022-11-19 08:18:54,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:54,788 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2022-11-19 08:18:54,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-11-19 08:18:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 08:18:54,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:54,790 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:54,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:18:54,791 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:54,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 598563555, now seen corresponding path program 1 times [2022-11-19 08:18:54,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:54,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513524103] [2022-11-19 08:18:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:54,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:54,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:54,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513524103] [2022-11-19 08:18:54,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513524103] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:18:54,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520198992] [2022-11-19 08:18:54,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:54,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:54,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:18:55,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:18:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:55,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:18:55,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:18:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:55,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:18:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:55,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520198992] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:18:55,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [70159636] [2022-11-19 08:18:55,271 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-19 08:18:55,271 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:18:55,275 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:18:55,282 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:18:55,283 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:18:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:55,423 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:18:55,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:18:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:55,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:18:55,601 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:18:56,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [70159636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:56,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:18:56,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-19 08:18:56,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81634997] [2022-11-19 08:18:56,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:56,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:18:56,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:56,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:18:56,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:18:56,496 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:56,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:56,785 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2022-11-19 08:18:56,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:18:56,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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 12 [2022-11-19 08:18:56,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:56,786 INFO L225 Difference]: With dead ends: 85 [2022-11-19 08:18:56,786 INFO L226 Difference]: Without dead ends: 76 [2022-11-19 08:18:56,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:18:56,788 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:56,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 31 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:18:56,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-19 08:18:56,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2022-11-19 08:18:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2022-11-19 08:18:56,806 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 12 [2022-11-19 08:18:56,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:56,807 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2022-11-19 08:18:56,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2022-11-19 08:18:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 08:18:56,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:56,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:56,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:18:57,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:57,022 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:57,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:57,022 INFO L85 PathProgramCache]: Analyzing trace with hash -756947920, now seen corresponding path program 1 times [2022-11-19 08:18:57,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:57,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140882413] [2022-11-19 08:18:57,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:57,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:57,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140882413] [2022-11-19 08:18:57,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140882413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:57,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:57,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:57,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780296087] [2022-11-19 08:18:57,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:57,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:57,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:57,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:57,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:57,095 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:57,207 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-11-19 08:18:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:18:57,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-11-19 08:18:57,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:57,208 INFO L225 Difference]: With dead ends: 82 [2022-11-19 08:18:57,209 INFO L226 Difference]: Without dead ends: 80 [2022-11-19 08:18:57,209 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 08:18:57,210 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:57,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-19 08:18:57,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2022-11-19 08:18:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.467741935483871) internal successors, (91), 75 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2022-11-19 08:18:57,254 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 14 [2022-11-19 08:18:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:57,255 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2022-11-19 08:18:57,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-11-19 08:18:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:18:57,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:57,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:57,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:18:57,258 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:57,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1657085202, now seen corresponding path program 1 times [2022-11-19 08:18:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:57,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520305869] [2022-11-19 08:18:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:57,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:18:57,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:57,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520305869] [2022-11-19 08:18:57,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520305869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:57,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:57,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:57,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888555489] [2022-11-19 08:18:57,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:57,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:57,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:57,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:57,349 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:57,460 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2022-11-19 08:18:57,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:18:57,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-19 08:18:57,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:57,461 INFO L225 Difference]: With dead ends: 86 [2022-11-19 08:18:57,462 INFO L226 Difference]: Without dead ends: 84 [2022-11-19 08:18:57,463 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 08:18:57,466 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:57,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 60 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:57,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-19 08:18:57,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78. [2022-11-19 08:18:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.453125) internal successors, (93), 77 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2022-11-19 08:18:57,502 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 17 [2022-11-19 08:18:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:57,502 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2022-11-19 08:18:57,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-11-19 08:18:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:18:57,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:57,504 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:57,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:18:57,507 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:57,508 INFO L85 PathProgramCache]: Analyzing trace with hash 38751577, now seen corresponding path program 1 times [2022-11-19 08:18:57,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:57,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011620993] [2022-11-19 08:18:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:57,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:18:57,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:57,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011620993] [2022-11-19 08:18:57,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011620993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:57,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:57,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:57,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797271876] [2022-11-19 08:18:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:57,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:18:57,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:57,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:18:57,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:57,586 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:57,667 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2022-11-19 08:18:57,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:18:57,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2022-11-19 08:18:57,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:57,669 INFO L225 Difference]: With dead ends: 84 [2022-11-19 08:18:57,669 INFO L226 Difference]: Without dead ends: 82 [2022-11-19 08:18:57,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:18:57,671 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:57,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 42 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:18:57,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-19 08:18:57,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2022-11-19 08:18:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.421875) internal successors, (91), 77 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2022-11-19 08:18:57,688 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 20 [2022-11-19 08:18:57,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:57,688 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2022-11-19 08:18:57,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:18:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-11-19 08:18:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 08:18:57,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:57,691 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:57,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:18:57,694 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:18:57,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:57,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1201298975, now seen corresponding path program 1 times [2022-11-19 08:18:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:57,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092155726] [2022-11-19 08:18:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:57,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:57,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:57,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092155726] [2022-11-19 08:18:57,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092155726] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:18:57,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385332322] [2022-11-19 08:18:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:57,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:18:57,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:57,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:18:57,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:18:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:57,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:18:57,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:18:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:58,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:18:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:18:58,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385332322] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:18:58,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [213734049] [2022-11-19 08:18:58,170 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-19 08:18:58,171 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:18:58,171 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:18:58,172 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:18:58,173 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:18:58,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:58,267 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:18:58,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:18:58,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:58,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:18:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:58,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:18:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:58,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-11-19 08:18:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:18:59,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:59,505 INFO L321 Elim1Store]: treesize reduction 127, result has 5.2 percent of original size [2022-11-19 08:18:59,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 615 treesize of output 597 [2022-11-19 08:18:59,676 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 18 treesize of output 14 [2022-11-19 08:18:59,973 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:19:03,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [213734049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:03,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:19:03,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 6, 6] total 24 [2022-11-19 08:19:03,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386871071] [2022-11-19 08:19:03,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:03,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:19:03,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:03,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:19:03,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2022-11-19 08:19:03,166 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:06,370 INFO L93 Difference]: Finished difference Result 132 states and 155 transitions. [2022-11-19 08:19:06,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:19:06,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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 21 [2022-11-19 08:19:06,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:06,372 INFO L225 Difference]: With dead ends: 132 [2022-11-19 08:19:06,372 INFO L226 Difference]: Without dead ends: 82 [2022-11-19 08:19:06,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 36 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2022-11-19 08:19:06,374 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 167 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:06,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 65 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:19:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-19 08:19:06,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 75. [2022-11-19 08:19:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2022-11-19 08:19:06,389 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 21 [2022-11-19 08:19:06,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:06,389 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2022-11-19 08:19:06,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2022-11-19 08:19:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 08:19:06,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:06,391 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:06,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:06,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-19 08:19:06,604 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:06,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1747968747, now seen corresponding path program 1 times [2022-11-19 08:19:06,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:06,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504930981] [2022-11-19 08:19:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:06,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-19 08:19:06,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:06,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504930981] [2022-11-19 08:19:06,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504930981] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:06,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137528761] [2022-11-19 08:19:06,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:06,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:06,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:19:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:06,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:19:06,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:19:06,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:19:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:19:07,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137528761] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:19:07,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [558680918] [2022-11-19 08:19:07,019 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-19 08:19:07,020 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:19:07,020 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:19:07,020 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:19:07,021 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:19:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:07,119 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:19:07,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:19:07,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:07,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:19:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:07,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:19:07,422 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:07,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-11-19 08:19:07,734 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:08,552 INFO L321 Elim1Store]: treesize reduction 127, result has 5.2 percent of original size [2022-11-19 08:19:08,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 651 treesize of output 633 [2022-11-19 08:19:09,008 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:09,251 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 18 treesize of output 14 [2022-11-19 08:19:09,420 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 18 treesize of output 14 [2022-11-19 08:19:09,676 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 18 treesize of output 14 [2022-11-19 08:19:09,734 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 18 treesize of output 14 [2022-11-19 08:19:09,988 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 18 treesize of output 14 [2022-11-19 08:19:10,120 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 18 treesize of output 14 [2022-11-19 08:19:10,522 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:19:13,416 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2293#(and (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start_main_~MINVAL~0#1| 2) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start_main_~MINVAL~0#1| |ULTIMATE.start_main_~j~0#1|) (not (<= (* |ULTIMATE.start_main_~i~0#1| 4) 2147483647)) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:19:13,416 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:19:13,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:19:13,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 13 [2022-11-19 08:19:13,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791859816] [2022-11-19 08:19:13,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:19:13,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 08:19:13,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:13,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 08:19:13,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2022-11-19 08:19:13,419 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:14,256 INFO L93 Difference]: Finished difference Result 262 states and 300 transitions. [2022-11-19 08:19:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-19 08:19:14,257 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 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 33 [2022-11-19 08:19:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:14,259 INFO L225 Difference]: With dead ends: 262 [2022-11-19 08:19:14,259 INFO L226 Difference]: Without dead ends: 195 [2022-11-19 08:19:14,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 66 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=402, Invalid=1854, Unknown=0, NotChecked=0, Total=2256 [2022-11-19 08:19:14,262 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 497 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:14,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 170 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:19:14,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-19 08:19:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 140. [2022-11-19 08:19:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 126 states have (on average 1.380952380952381) internal successors, (174), 139 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 174 transitions. [2022-11-19 08:19:14,294 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 174 transitions. Word has length 33 [2022-11-19 08:19:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:14,295 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 174 transitions. [2022-11-19 08:19:14,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 174 transitions. [2022-11-19 08:19:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 08:19:14,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:14,310 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:14,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 08:19:14,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-19 08:19:14,517 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:14,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:14,517 INFO L85 PathProgramCache]: Analyzing trace with hash -315614795, now seen corresponding path program 1 times [2022-11-19 08:19:14,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:14,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913839907] [2022-11-19 08:19:14,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:14,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:14,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:14,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913839907] [2022-11-19 08:19:14,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913839907] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:14,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661098430] [2022-11-19 08:19:14,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:14,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:14,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:19:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:14,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:19:14,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:14,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:14,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661098430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:14,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:19:14,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 08:19:14,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125996209] [2022-11-19 08:19:14,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:14,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:19:14,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:14,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:19:14,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:19:14,963 INFO L87 Difference]: Start difference. First operand 140 states and 174 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:15,096 INFO L93 Difference]: Finished difference Result 140 states and 174 transitions. [2022-11-19 08:19:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:19:15,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 08:19:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:15,100 INFO L225 Difference]: With dead ends: 140 [2022-11-19 08:19:15,100 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 08:19:15,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:19:15,101 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 26 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:15,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 62 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 08:19:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 08:19:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 126 states have (on average 1.3095238095238095) internal successors, (165), 136 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 165 transitions. [2022-11-19 08:19:15,123 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 165 transitions. Word has length 52 [2022-11-19 08:19:15,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:15,124 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 165 transitions. [2022-11-19 08:19:15,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:15,124 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2022-11-19 08:19:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:19:15,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:15,126 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:15,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:15,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 08:19:15,339 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:15,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1065265260, now seen corresponding path program 1 times [2022-11-19 08:19:15,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:15,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157038149] [2022-11-19 08:19:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:15,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:15,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157038149] [2022-11-19 08:19:15,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157038149] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:15,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53177965] [2022-11-19 08:19:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:15,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:15,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:19:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:15,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:19:15,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:15,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:19:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:15,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53177965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:19:15,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1498693433] [2022-11-19 08:19:15,795 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 08:19:15,795 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:19:15,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:19:15,797 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:19:15,797 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:19:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:15,878 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-19 08:19:15,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:19:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:15,938 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:19:15,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:19:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:16,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:19:16,169 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:16,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:16,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-11-19 08:19:16,443 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:17,257 INFO L321 Elim1Store]: treesize reduction 127, result has 5.2 percent of original size [2022-11-19 08:19:17,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 651 treesize of output 633 [2022-11-19 08:19:17,686 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:17,921 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 18 treesize of output 14 [2022-11-19 08:19:18,043 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 18 treesize of output 14 [2022-11-19 08:19:18,266 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 18 treesize of output 14 [2022-11-19 08:19:18,325 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 18 treesize of output 14 [2022-11-19 08:19:18,497 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 18 treesize of output 14 [2022-11-19 08:19:18,573 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 18 treesize of output 14 [2022-11-19 08:19:19,354 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:19:22,631 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3604#(and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |ULTIMATE.start_main_#t~post7#1| 2147483647) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:19:22,631 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:19:22,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:19:22,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-19 08:19:22,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798732799] [2022-11-19 08:19:22,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:19:22,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:19:22,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:22,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:19:22,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2022-11-19 08:19:22,634 INFO L87 Difference]: Start difference. First operand 137 states and 165 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:22,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:22,948 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2022-11-19 08:19:22,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 08:19:22,948 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 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 54 [2022-11-19 08:19:22,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:22,950 INFO L225 Difference]: With dead ends: 151 [2022-11-19 08:19:22,950 INFO L226 Difference]: Without dead ends: 150 [2022-11-19 08:19:22,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 121 SyntacticMatches, 16 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=196, Invalid=1136, Unknown=0, NotChecked=0, Total=1332 [2022-11-19 08:19:22,952 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 89 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:22,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 86 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:22,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-19 08:19:22,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 145. [2022-11-19 08:19:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 134 states have (on average 1.3059701492537314) internal successors, (175), 144 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 175 transitions. [2022-11-19 08:19:22,976 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 175 transitions. Word has length 54 [2022-11-19 08:19:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:22,976 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 175 transitions. [2022-11-19 08:19:22,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 175 transitions. [2022-11-19 08:19:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:19:22,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:22,978 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:22,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-19 08:19:23,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-19 08:19:23,185 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:23,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:23,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1636862455, now seen corresponding path program 1 times [2022-11-19 08:19:23,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:23,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236115323] [2022-11-19 08:19:23,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:23,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:23,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:23,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236115323] [2022-11-19 08:19:23,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236115323] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:23,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772294733] [2022-11-19 08:19:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:23,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:23,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:23,328 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:23,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:19:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:23,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:19:23,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:23,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:23,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772294733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:23,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:19:23,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-19 08:19:23,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006119773] [2022-11-19 08:19:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:23,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:19:23,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:19:23,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:19:23,559 INFO L87 Difference]: Start difference. First operand 145 states and 175 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:23,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:23,721 INFO L93 Difference]: Finished difference Result 149 states and 176 transitions. [2022-11-19 08:19:23,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:19:23,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 54 [2022-11-19 08:19:23,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:23,723 INFO L225 Difference]: With dead ends: 149 [2022-11-19 08:19:23,723 INFO L226 Difference]: Without dead ends: 148 [2022-11-19 08:19:23,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:19:23,727 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 52 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:23,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 70 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:23,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-19 08:19:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2022-11-19 08:19:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 134 states have (on average 1.291044776119403) internal successors, (173), 144 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 173 transitions. [2022-11-19 08:19:23,748 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 173 transitions. Word has length 54 [2022-11-19 08:19:23,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:23,750 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 173 transitions. [2022-11-19 08:19:23,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 173 transitions. [2022-11-19 08:19:23,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 08:19:23,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:23,752 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:23,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:23,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-19 08:19:23,958 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1336515172, now seen corresponding path program 1 times [2022-11-19 08:19:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:23,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798781188] [2022-11-19 08:19:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:24,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:24,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798781188] [2022-11-19 08:19:24,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798781188] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:24,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134808711] [2022-11-19 08:19:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:24,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:24,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:19:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:24,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:19:24,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:24,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:24,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134808711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:24,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:19:24,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-19 08:19:24,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574800765] [2022-11-19 08:19:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:24,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:19:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:19:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:19:24,275 INFO L87 Difference]: Start difference. First operand 145 states and 173 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:24,405 INFO L93 Difference]: Finished difference Result 145 states and 173 transitions. [2022-11-19 08:19:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:19:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 55 [2022-11-19 08:19:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:24,407 INFO L225 Difference]: With dead ends: 145 [2022-11-19 08:19:24,407 INFO L226 Difference]: Without dead ends: 144 [2022-11-19 08:19:24,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:19:24,408 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 25 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:24,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 90 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:24,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-11-19 08:19:24,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2022-11-19 08:19:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 143 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2022-11-19 08:19:24,428 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 55 [2022-11-19 08:19:24,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:24,428 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2022-11-19 08:19:24,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2022-11-19 08:19:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 08:19:24,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:24,430 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:24,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:24,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 08:19:24,631 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:24,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:24,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1307352256, now seen corresponding path program 2 times [2022-11-19 08:19:24,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:24,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456963486] [2022-11-19 08:19:24,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:24,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:24,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:24,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456963486] [2022-11-19 08:19:24,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456963486] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:24,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135897524] [2022-11-19 08:19:24,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:19:24,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:24,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:24,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:24,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 08:19:25,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 08:19:25,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:19:25,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 08:19:25,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 08:19:25,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:19:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 08:19:25,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135897524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:19:25,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1794464653] [2022-11-19 08:19:25,249 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 08:19:25,249 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:19:25,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:19:25,250 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:19:25,251 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:19:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:25,347 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-19 08:19:25,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 08:19:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:25,411 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:19:25,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:19:25,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:25,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:19:25,633 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:25,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2022-11-19 08:19:25,913 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:26,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:26,640 INFO L321 Elim1Store]: treesize reduction 141, result has 4.7 percent of original size [2022-11-19 08:19:26,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 649 treesize of output 631 [2022-11-19 08:19:27,057 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:27,258 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 18 treesize of output 14 [2022-11-19 08:19:27,362 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 18 treesize of output 14 [2022-11-19 08:19:27,568 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 18 treesize of output 14 [2022-11-19 08:19:27,614 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 18 treesize of output 14 [2022-11-19 08:19:27,776 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 18 treesize of output 14 [2022-11-19 08:19:27,901 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 18 treesize of output 14 [2022-11-19 08:19:28,564 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:19:32,179 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5373#(and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |ULTIMATE.start_main_#t~post7#1| 2147483647) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-19 08:19:32,180 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 08:19:32,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:19:32,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2022-11-19 08:19:32,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142872974] [2022-11-19 08:19:32,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 08:19:32,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 08:19:32,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:32,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 08:19:32,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=846, Unknown=0, NotChecked=0, Total=992 [2022-11-19 08:19:32,182 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:32,589 INFO L93 Difference]: Finished difference Result 148 states and 175 transitions. [2022-11-19 08:19:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 08:19:32,590 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 14 states have internal predecessors, (69), 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 63 [2022-11-19 08:19:32,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:32,591 INFO L225 Difference]: With dead ends: 148 [2022-11-19 08:19:32,591 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 08:19:32,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 152 SyntacticMatches, 17 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=270, Invalid=1536, Unknown=0, NotChecked=0, Total=1806 [2022-11-19 08:19:32,593 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 97 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:32,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 89 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:19:32,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 08:19:32,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2022-11-19 08:19:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 119 states have (on average 1.2773109243697478) internal successors, (152), 127 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 152 transitions. [2022-11-19 08:19:32,611 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 152 transitions. Word has length 63 [2022-11-19 08:19:32,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:32,612 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 152 transitions. [2022-11-19 08:19:32,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 152 transitions. [2022-11-19 08:19:32,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 08:19:32,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:32,613 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:32,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:32,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-19 08:19:32,825 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:32,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:32,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1196712660, now seen corresponding path program 2 times [2022-11-19 08:19:32,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:32,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616895589] [2022-11-19 08:19:32,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:32,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-19 08:19:32,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:32,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616895589] [2022-11-19 08:19:32,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616895589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:32,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301101419] [2022-11-19 08:19:32,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:19:32,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:32,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:32,974 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:33,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 08:19:33,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 08:19:33,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:19:33,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:19:33,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:33,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:19:33,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301101419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:33,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:19:33,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2022-11-19 08:19:33,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532895885] [2022-11-19 08:19:33,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:33,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:19:33,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:33,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:19:33,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:19:33,303 INFO L87 Difference]: Start difference. First operand 128 states and 152 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:33,482 INFO L93 Difference]: Finished difference Result 130 states and 152 transitions. [2022-11-19 08:19:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:19:33,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 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 63 [2022-11-19 08:19:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:33,484 INFO L225 Difference]: With dead ends: 130 [2022-11-19 08:19:33,484 INFO L226 Difference]: Without dead ends: 127 [2022-11-19 08:19:33,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-11-19 08:19:33,485 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 64 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:33,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 40 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:19:33,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-19 08:19:33,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2022-11-19 08:19:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 119 states have (on average 1.1932773109243697) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:33,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2022-11-19 08:19:33,500 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 63 [2022-11-19 08:19:33,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:33,500 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2022-11-19 08:19:33,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2022-11-19 08:19:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:19:33,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:33,502 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:33,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:33,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-19 08:19:33,702 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:33,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:33,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1256759472, now seen corresponding path program 1 times [2022-11-19 08:19:33,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:33,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90176312] [2022-11-19 08:19:33,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:33,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-19 08:19:33,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:33,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90176312] [2022-11-19 08:19:33,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90176312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:33,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:33,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:33,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450538471] [2022-11-19 08:19:33,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:33,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:19:33,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:33,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:19:33,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:19:33,795 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:33,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:33,848 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2022-11-19 08:19:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:19:33,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 66 [2022-11-19 08:19:33,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:33,856 INFO L225 Difference]: With dead ends: 125 [2022-11-19 08:19:33,856 INFO L226 Difference]: Without dead ends: 124 [2022-11-19 08:19:33,856 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 08:19:33,857 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:33,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 31 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:19:33,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-19 08:19:33,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-19 08:19:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 119 states have (on average 1.1596638655462186) internal successors, (138), 123 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 138 transitions. [2022-11-19 08:19:33,876 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 138 transitions. Word has length 66 [2022-11-19 08:19:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:33,876 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 138 transitions. [2022-11-19 08:19:33,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 138 transitions. [2022-11-19 08:19:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 08:19:33,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:33,878 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:33,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 08:19:33,878 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:33,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 860047600, now seen corresponding path program 1 times [2022-11-19 08:19:33,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:33,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805352380] [2022-11-19 08:19:33,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-19 08:19:33,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:33,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805352380] [2022-11-19 08:19:33,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805352380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:33,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:19:33,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:19:33,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267154948] [2022-11-19 08:19:33,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:33,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:19:33,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:33,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:19:33,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:19:33,986 INFO L87 Difference]: Start difference. First operand 124 states and 138 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:34,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:34,044 INFO L93 Difference]: Finished difference Result 125 states and 138 transitions. [2022-11-19 08:19:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:19:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 68 [2022-11-19 08:19:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:34,046 INFO L225 Difference]: With dead ends: 125 [2022-11-19 08:19:34,046 INFO L226 Difference]: Without dead ends: 122 [2022-11-19 08:19:34,046 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 08:19:34,047 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:34,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:19:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-19 08:19:34,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 103. [2022-11-19 08:19:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.1) internal successors, (110), 102 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 110 transitions. [2022-11-19 08:19:34,064 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 110 transitions. Word has length 68 [2022-11-19 08:19:34,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:34,065 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 110 transitions. [2022-11-19 08:19:34,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 110 transitions. [2022-11-19 08:19:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-19 08:19:34,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:19:34,067 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:34,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 08:19:34,067 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-19 08:19:34,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:19:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2107727255, now seen corresponding path program 1 times [2022-11-19 08:19:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:19:34,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483256717] [2022-11-19 08:19:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:19:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-19 08:19:34,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:19:34,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483256717] [2022-11-19 08:19:34,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483256717] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:19:34,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381043611] [2022-11-19 08:19:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:19:34,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:19:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:19:34,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:19:34,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 08:19:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:19:34,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 08:19:34,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:19:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:34,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:19:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-19 08:19:34,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381043611] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:19:34,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1019002993] [2022-11-19 08:19:34,720 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-19 08:19:34,721 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:19:34,721 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:19:34,721 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:19:34,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:19:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:34,788 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:19:34,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:19:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:34,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-19 08:19:34,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:34,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-19 08:19:35,000 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-11-19 08:19:35,269 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:19:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:19:35,916 INFO L321 Elim1Store]: treesize reduction 127, result has 5.2 percent of original size [2022-11-19 08:19:35,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 651 treesize of output 633 [2022-11-19 08:19:36,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:19:36,449 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 18 treesize of output 14 [2022-11-19 08:19:36,586 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 18 treesize of output 14 [2022-11-19 08:19:36,787 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 18 treesize of output 14 [2022-11-19 08:19:36,819 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 18 treesize of output 14 [2022-11-19 08:19:36,987 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 18 treesize of output 14 [2022-11-19 08:19:37,079 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 18 treesize of output 14 [2022-11-19 08:19:37,355 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:19:40,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1019002993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:19:40,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:19:40,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [3, 9, 9] total 31 [2022-11-19 08:19:40,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271910351] [2022-11-19 08:19:40,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:19:40,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-19 08:19:40,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:19:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-19 08:19:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=846, Unknown=0, NotChecked=0, Total=992 [2022-11-19 08:19:40,483 INFO L87 Difference]: Start difference. First operand 103 states and 110 transitions. Second operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:45,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:19:45,137 INFO L93 Difference]: Finished difference Result 145 states and 161 transitions. [2022-11-19 08:19:45,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-19 08:19:45,138 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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 71 [2022-11-19 08:19:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:19:45,138 INFO L225 Difference]: With dead ends: 145 [2022-11-19 08:19:45,138 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:19:45,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 159 SyntacticMatches, 25 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=292, Invalid=1600, Unknown=0, NotChecked=0, Total=1892 [2022-11-19 08:19:45,140 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:19:45,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 0 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:19:45,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:19:45,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:19:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:19:45,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2022-11-19 08:19:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:19:45,142 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:19:45,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:19:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:19:45,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:19:45,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-19 08:19:45,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-19 08:19:45,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-19 08:19:45,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-19 08:19:45,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-19 08:19:45,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-19 08:19:45,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-19 08:19:45,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-19 08:19:45,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-19 08:19:45,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-19 08:19:45,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-19 08:19:45,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-19 08:19:45,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-19 08:19:45,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-19 08:19:45,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-19 08:19:45,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-19 08:19:45,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-19 08:19:45,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-19 08:19:45,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:19:48,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,151 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,151 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 40) no Hoare annotation was computed. [2022-11-19 08:19:48,151 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,151 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,153 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 40) the Hoare annotation is: (let ((.cse26 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse30 (select |#memory_int| 1)) (.cse27 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse27 5) 0)) (.cse4 (= 114 (select .cse27 1))) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= 52 (select .cse27 2))) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= (select |#valid| 3) 1)) (.cse9 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= (select .cse27 4) 99)) (.cse14 (= (select .cse27 0) 110)) (.cse15 (= (select |#valid| 0) 0)) (.cse16 (= (select |#valid| 2) 1)) (.cse17 (= |#NULL.offset| 0)) (.cse18 (= (select .cse30 0) 48)) (.cse19 (= (select .cse30 1) 0)) (.cse20 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse21 (or (let ((.cse28 (= (let ((.cse29 (mod ~CELLCOUNT~0 4))) (ite (and (not (= .cse29 0)) (< ~CELLCOUNT~0 0)) (+ .cse29 (- 4)) .cse29)) 0))) (and .cse26 .cse28 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (= (ite .cse28 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|))) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 1)))) (.cse22 (= 46 (select .cse27 3))) (.cse23 (= 6 (select |#length| 2))) (.cse24 (< 0 |#StackHeapBarrier|)) (.cse25 (= |#NULL.base| 0))) (or (and .cse0 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse12 .cse13 .cse14 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4)) .cse15 .cse16 .cse17 .cse18 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse19 .cse20 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse21 .cse22 .cse23 .cse24 .cse25) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse26 .cse8 .cse9 .cse10 .cse11 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25)))) [2022-11-19 08:19:48,153 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 40) no Hoare annotation was computed. [2022-11-19 08:19:48,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 08:19:48,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:19:48,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,154 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,154 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,155 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,155 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,155 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,155 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 39) no Hoare annotation was computed. [2022-11-19 08:19:48,155 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed. [2022-11-19 08:19:48,155 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed. [2022-11-19 08:19:48,156 INFO L895 garLoopResultBuilder]: At program point L29-5(lines 29 39) the Hoare annotation is: (let ((.cse40 (select |#memory_int| 1)) (.cse39 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse31 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648))) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse39 5) 0)) (.cse4 (= 114 (select .cse39 1))) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= 52 (select .cse39 2))) (.cse7 (= 2 (select |#length| 1))) (.cse33 (<= |ULTIMATE.start_main_~j~0#1| 3)) (.cse8 (= (select |#valid| 3) 1)) (.cse9 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse14 (= (select |#valid| 1) 1)) (.cse15 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse16 (= (select .cse39 4) 99)) (.cse17 (= (select .cse39 0) 110)) (.cse18 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4))) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= (select .cse40 0) 48)) (.cse23 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse24 (= (select .cse40 1) 0)) (.cse25 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse27 (= 46 (select .cse39 3))) (.cse28 (= 6 (select |#length| 2))) (.cse29 (< 0 |#StackHeapBarrier|)) (.cse30 (= |#NULL.base| 0))) (or (and .cse0 (= |ULTIMATE.start_main_~j~0#1| 4) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= (* |ULTIMATE.start_main_~i~0#1| 4) 2147483647) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (and .cse0 .cse1 .cse2 .cse3 .cse4 (let ((.cse32 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse34 (<= 1 ~CELLCOUNT~0)) (.cse35 (<= |ULTIMATE.start_main_~MINVAL~0#1| 2)) (.cse36 (<= |ULTIMATE.start_main_~i~0#1| 1)) (.cse37 (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|))) (or (and .cse31 .cse32 .cse33 .cse10 .cse34 .cse35 .cse36 .cse37) (and (<= |ULTIMATE.start_main_~j~0#1| 4) .cse32 .cse10 .cse34 .cse35 (<= 4 |ULTIMATE.start_main_~j~0#1|) .cse36 .cse37))) .cse6 .cse7 .cse8 .cse11 .cse13 .cse14 .cse16 .cse17 .cse18 .cse19 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (= (ite (= (let ((.cse38 (mod ~CELLCOUNT~0 4))) (ite (and (not (= .cse38 0)) (< ~CELLCOUNT~0 0)) (+ .cse38 (- 4)) .cse38)) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse20 .cse21 .cse22 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (and .cse0 .cse31 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| 536870911) .cse4 .cse5 .cse6 .cse7 .cse33 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30)))) [2022-11-19 08:19:48,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,157 INFO L895 garLoopResultBuilder]: At program point L47(lines 13 48) the Hoare annotation is: (or (<= ~CELLCOUNT~0 2147483647) (not (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4)))) [2022-11-19 08:19:48,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-19 08:19:48,157 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2022-11-19 08:19:48,158 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-19 08:19:48,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-19 08:19:48,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,158 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 46) no Hoare annotation was computed. [2022-11-19 08:19:48,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,159 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 46) no Hoare annotation was computed. [2022-11-19 08:19:48,159 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:19:48,159 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,159 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,160 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-19 08:19:48,160 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-11-19 08:19:48,160 INFO L899 garLoopResultBuilder]: For program point L42-4(line 42) no Hoare annotation was computed. [2022-11-19 08:19:48,161 INFO L895 garLoopResultBuilder]: At program point L42-5(lines 42 45) the Hoare annotation is: (let ((.cse27 (select |#memory_int| 1)) (.cse26 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse26 5) 0)) (.cse4 (= 114 (select .cse26 1))) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= 52 (select .cse26 2))) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= (select |#valid| 3) 1)) (.cse9 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= (select .cse26 4) 99)) (.cse14 (= (select .cse26 0) 110)) (.cse15 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4))) (.cse16 (= (select |#valid| 0) 0)) (.cse17 (= (select |#valid| 2) 1)) (.cse18 (= |#NULL.offset| 0)) (.cse19 (= (select .cse27 0) 48)) (.cse20 (= (select .cse27 1) 0)) (.cse21 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse22 (= 46 (select .cse26 3))) (.cse23 (= 6 (select |#length| 2))) (.cse24 (< 0 |#StackHeapBarrier|)) (.cse25 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25)))) [2022-11-19 08:19:48,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-11-19 08:19:48,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-19 08:19:48,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-19 08:19:48,166 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:19:48,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:19:48,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:19:48 BoogieIcfgContainer [2022-11-19 08:19:48,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:19:48,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:19:48,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:19:48,211 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:19:48,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:52" (3/4) ... [2022-11-19 08:19:48,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:19:48,227 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-19 08:19:48,227 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 08:19:48,228 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 08:19:48,228 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:19:48,228 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:19:48,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && ((((i == 1 && (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && \old(cond) == cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && ((((i == 1 && (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-19 08:19:48,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && j == 4) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && i * 4 <= 2147483647) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && ((((((((0 <= j + 2147483648 && 1 <= i) && j <= 3) && CELLCOUNT <= 2147483647) && 1 <= CELLCOUNT) && MINVAL <= 2) && i <= 1) && 2 <= MINVAL) || (((((((j <= 4 && 1 <= i) && CELLCOUNT <= 2147483647) && 1 <= CELLCOUNT) && MINVAL <= 2) && 4 <= j) && i <= 1) && 2 <= MINVAL))) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && volArray == 0) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 536870911) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && j <= 3) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-19 08:19:48,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:19:48,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:19:48,291 INFO L158 Benchmark]: Toolchain (without parser) took 57027.64ms. Allocated memory was 98.6MB in the beginning and 446.7MB in the end (delta: 348.1MB). Free memory was 67.5MB in the beginning and 236.1MB in the end (delta: -168.7MB). Peak memory consumption was 180.3MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,291 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:19:48,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.69ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 74.5MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.35ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,293 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 71.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,293 INFO L158 Benchmark]: RCFGBuilder took 516.62ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 54.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,293 INFO L158 Benchmark]: TraceAbstraction took 55940.39ms. Allocated memory was 98.6MB in the beginning and 446.7MB in the end (delta: 348.1MB). Free memory was 54.0MB in the beginning and 239.3MB in the end (delta: -185.3MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,294 INFO L158 Benchmark]: Witness Printer took 78.74ms. Allocated memory is still 446.7MB. Free memory was 239.3MB in the beginning and 236.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:19:48,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.69ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 74.5MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.35ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 71.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.62ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 54.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 55940.39ms. Allocated memory was 98.6MB in the beginning and 446.7MB in the end (delta: 348.1MB). Free memory was 54.0MB in the beginning and 239.3MB in the end (delta: -185.3MB). Peak memory consumption was 248.4MB. Max. memory is 16.1GB. * Witness Printer took 78.74ms. Allocated memory is still 446.7MB. Free memory was 239.3MB in the beginning and 236.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 55.8s, OverallIterations: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1482 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1482 mSDsluCounter, 1253 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 801 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1940 IncrementalHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 452 mSDtfsCounter, 1940 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1129 GetRequests, 781 SyntacticMatches, 79 SemanticMatches, 269 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3805 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=14, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 177 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 28 NumberOfFragments, 1254 HoareAnnotationTreeSize, 4 FomulaSimplifications, 414 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 4869 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1191 NumberOfCodeBlocks, 1101 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1408 ConstructedInterpolants, 0 QuantifiedInterpolants, 3587 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 37 InterpolantComputations, 15 PerfectInterpolantSequences, 1409/1743 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 4.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 60, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 238, TOOLS_POST_TIME: 4.1s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 206, TOOLS_QUANTIFIERELIM_TIME: 3.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 328, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 60, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 3.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1702, DAG_COMPRESSION_RETAINED_NODES: 184, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: CELLCOUNT <= 2147483647 || !(CELLCOUNT == CELLCOUNT / 4 * 4) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && ((((i == 1 && (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && \old(cond) == cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && ((((i == 1 && (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) || (2 <= i && j < 1))) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && j == 4) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && i * 4 <= 2147483647) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && ((((((((0 <= j + 2147483648 && 1 <= i) && j <= 3) && CELLCOUNT <= 2147483647) && 1 <= CELLCOUNT) && MINVAL <= 2) && i <= 1) && 2 <= MINVAL) || (((((((j <= 4 && 1 <= i) && CELLCOUNT <= 2147483647) && 1 <= CELLCOUNT) && MINVAL <= 2) && 4 <= j) && i <= 1) && 2 <= MINVAL))) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && volArray == 0) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && !(cond == 0)) && (if (if !(CELLCOUNT % 4 == 0) && CELLCOUNT < 0 then CELLCOUNT % 4 + -4 else CELLCOUNT % 4) == 0 then 1 else 0) == \old(cond)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 536870911) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 52 == unknown-#memory_int-unknown[2][2]) && 2 == unknown-#length-unknown[1]) && j <= 3) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && CELLCOUNT == CELLCOUNT / 4 * 4) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-19 08:19:48,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c947fd3-48d5-40a6-8640-0f33ba38f4a4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE