./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/mbpr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh --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 a98ea70d5d9f752732070144a56514c68e9571f139726211e2f0ade721d6c5f3 --- 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-2329fc7 [2022-12-14 12:48:04,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:48:04,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:48:04,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:48:04,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:48:04,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:48:04,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:48:04,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:48:04,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:48:04,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:48:04,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:48:04,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:48:04,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:48:04,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:48:04,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:48:04,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:48:04,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:48:04,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:48:04,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:48:04,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:48:04,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:48:04,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:48:04,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:48:04,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:48:04,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:48:04,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:48:04,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:48:04,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:48:04,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:48:04,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:48:04,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:48:04,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:48:04,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:48:04,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:48:04,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:48:04,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:48:04,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:48:04,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:48:04,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:48:04,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:48:04,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:48:04,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 12:48:04,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:48:04,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:48:04,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:48:04,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:48:04,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:48:04,853 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:48:04,853 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:48:04,853 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:48:04,858 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:48:04,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:48:04,859 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:48:04,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:48:04,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:48:04,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:48:04,859 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:48:04,860 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:48:04,860 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:48:04,860 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:48:04,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:48:04,861 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:48:04,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:48:04,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:48:04,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:48:04,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:48:04,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:48:04,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:48:04,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:48:04,862 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:48:04,863 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:48:04,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:48:04,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:48:04,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:48:04,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:48:04,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:48:04,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:48:04,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:48:04,864 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:48:04,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:48:04,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:48:04,865 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:48:04,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:48:04,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:48:04,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:48:04,866 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_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98ea70d5d9f752732070144a56514c68e9571f139726211e2f0ade721d6c5f3 [2022-12-14 12:48:05,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:48:05,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:48:05,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:48:05,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:48:05,079 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:48:05,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-tiling/mbpr2.c [2022-12-14 12:48:07,711 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:48:07,861 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:48:07,861 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/sv-benchmarks/c/array-tiling/mbpr2.c [2022-12-14 12:48:07,866 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/data/df3b127b6/dc6b6a1ecdf449c386cc5ea4b6700926/FLAG54a81461d [2022-12-14 12:48:07,875 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/data/df3b127b6/dc6b6a1ecdf449c386cc5ea4b6700926 [2022-12-14 12:48:07,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:48:07,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:48:07,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:48:07,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:48:07,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:48:07,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:48:07" (1/1) ... [2022-12-14 12:48:07,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66607bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:07, skipping insertion in model container [2022-12-14 12:48:07,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:48:07" (1/1) ... [2022-12-14 12:48:07,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:48:07,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:48:07,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/sv-benchmarks/c/array-tiling/mbpr2.c[396,409] [2022-12-14 12:48:08,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:48:08,021 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:48:08,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/sv-benchmarks/c/array-tiling/mbpr2.c[396,409] [2022-12-14 12:48:08,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:48:08,048 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:48:08,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08 WrapperNode [2022-12-14 12:48:08,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:48:08,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:48:08,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:48:08,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:48:08,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,077 INFO L138 Inliner]: procedures = 15, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2022-12-14 12:48:08,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:48:08,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:48:08,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:48:08,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:48:08,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,095 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:48:08,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:48:08,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:48:08,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:48:08,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (1/1) ... [2022-12-14 12:48:08,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:48:08,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:08,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:48:08,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:48:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:48:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:48:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:48:08,222 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:48:08,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:48:08,472 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:48:08,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:48:08,514 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 12:48:08,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:48:08 BoogieIcfgContainer [2022-12-14 12:48:08,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:48:08,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:48:08,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:48:08,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:48:08,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:48:07" (1/3) ... [2022-12-14 12:48:08,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ada1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:48:08, skipping insertion in model container [2022-12-14 12:48:08,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:48:08" (2/3) ... [2022-12-14 12:48:08,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ada1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:48:08, skipping insertion in model container [2022-12-14 12:48:08,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:48:08" (3/3) ... [2022-12-14 12:48:08,522 INFO L112 eAbstractionObserver]: Analyzing ICFG mbpr2.c [2022-12-14 12:48:08,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:48:08,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-12-14 12:48:08,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:48:08,578 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;@780fc6b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:48:08,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-12-14 12:48:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 54 states have (on average 1.9444444444444444) internal successors, (105), 96 states have internal predecessors, (105), 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) [2022-12-14 12:48:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 12:48:08,586 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:08,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 12:48:08,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:08,591 INFO L85 PathProgramCache]: Analyzing trace with hash 6356106, now seen corresponding path program 1 times [2022-12-14 12:48:08,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:08,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125164093] [2022-12-14 12:48:08,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:08,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:08,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:08,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125164093] [2022-12-14 12:48:08,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125164093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:08,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:08,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:08,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547203710] [2022-12-14 12:48:08,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:08,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:48:08,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:08,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:48:08,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:08,870 INFO L87 Difference]: Start difference. First operand has 97 states, 54 states have (on average 1.9444444444444444) internal successors, (105), 96 states have internal predecessors, (105), 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 4 states, 3 states have (on average 1.3333333333333333) 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) [2022-12-14 12:48:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:08,938 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2022-12-14 12:48:08,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:48:08,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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 [2022-12-14 12:48:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:08,946 INFO L225 Difference]: With dead ends: 153 [2022-12-14 12:48:08,946 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 12:48:08,948 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 [2022-12-14 12:48:08,950 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 193 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:08,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 85 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:48:08,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 12:48:08,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-12-14 12:48:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 52 states have (on average 1.8461538461538463) internal successors, (96), 91 states have internal predecessors, (96), 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) [2022-12-14 12:48:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 96 transitions. [2022-12-14 12:48:08,978 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 96 transitions. Word has length 4 [2022-12-14 12:48:08,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:08,978 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 96 transitions. [2022-12-14 12:48:08,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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) [2022-12-14 12:48:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2022-12-14 12:48:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 12:48:08,979 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:08,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 12:48:08,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:48:08,979 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash 197039340, now seen corresponding path program 1 times [2022-12-14 12:48:08,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:08,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591862107] [2022-12-14 12:48:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:09,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:09,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591862107] [2022-12-14 12:48:09,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591862107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:09,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:09,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665595844] [2022-12-14 12:48:09,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:09,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:48:09,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:09,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:48:09,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:48:09,199 INFO L87 Difference]: Start difference. First operand 92 states and 96 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 12:48:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:09,254 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2022-12-14 12:48:09,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:48:09,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-12-14 12:48:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:09,256 INFO L225 Difference]: With dead ends: 92 [2022-12-14 12:48:09,256 INFO L226 Difference]: Without dead ends: 90 [2022-12-14 12:48:09,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:48:09,258 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 182 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:09,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 80 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:48:09,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-14 12:48:09,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-12-14 12:48:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 89 states have internal predecessors, (94), 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) [2022-12-14 12:48:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2022-12-14 12:48:09,267 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 5 [2022-12-14 12:48:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:09,267 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2022-12-14 12:48:09,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 12:48:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2022-12-14 12:48:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:48:09,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:09,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:09,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:48:09,269 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:09,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1221257007, now seen corresponding path program 1 times [2022-12-14 12:48:09,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:09,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679417585] [2022-12-14 12:48:09,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:09,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:09,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679417585] [2022-12-14 12:48:09,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679417585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:09,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:09,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:48:09,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224255640] [2022-12-14 12:48:09,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:09,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:48:09,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:09,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:48:09,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:48:09,311 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand has 3 states, 2 states have (on average 4.0) 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) [2022-12-14 12:48:09,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:09,459 INFO L93 Difference]: Finished difference Result 172 states and 180 transitions. [2022-12-14 12:48:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:48:09,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) 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 [2022-12-14 12:48:09,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:09,461 INFO L225 Difference]: With dead ends: 172 [2022-12-14 12:48:09,461 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 12:48:09,461 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 [2022-12-14 12:48:09,462 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 46 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:09,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 72 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:09,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 12:48:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 130. [2022-12-14 12:48:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 92 states have (on average 1.5) internal successors, (138), 129 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) [2022-12-14 12:48:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2022-12-14 12:48:09,470 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 8 [2022-12-14 12:48:09,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:09,470 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2022-12-14 12:48:09,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) 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) [2022-12-14 12:48:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2022-12-14 12:48:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:48:09,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:09,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:09,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:48:09,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:09,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:09,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1342462444, now seen corresponding path program 1 times [2022-12-14 12:48:09,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:09,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587417007] [2022-12-14 12:48:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:09,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:09,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587417007] [2022-12-14 12:48:09,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587417007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:09,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:09,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:09,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840522553] [2022-12-14 12:48:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:09,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:48:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:09,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:48:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:09,527 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-12-14 12:48:09,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:09,607 INFO L93 Difference]: Finished difference Result 135 states and 143 transitions. [2022-12-14 12:48:09,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:48:09,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-12-14 12:48:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:09,608 INFO L225 Difference]: With dead ends: 135 [2022-12-14 12:48:09,608 INFO L226 Difference]: Without dead ends: 133 [2022-12-14 12:48:09,608 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 [2022-12-14 12:48:09,609 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 3 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:09,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 189 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-12-14 12:48:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-12-14 12:48:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 95 states have (on average 1.4842105263157894) internal successors, (141), 132 states have internal predecessors, (141), 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) [2022-12-14 12:48:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2022-12-14 12:48:09,615 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 13 [2022-12-14 12:48:09,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:09,615 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2022-12-14 12:48:09,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-12-14 12:48:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2022-12-14 12:48:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 12:48:09,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:09,616 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:09,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:48:09,616 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:09,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:09,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1436987635, now seen corresponding path program 1 times [2022-12-14 12:48:09,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:09,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840683143] [2022-12-14 12:48:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:09,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 12:48:09,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:09,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840683143] [2022-12-14 12:48:09,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840683143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:09,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:09,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:48:09,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046451428] [2022-12-14 12:48:09,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:09,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:48:09,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:09,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:48:09,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:09,698 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-14 12:48:09,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:09,821 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2022-12-14 12:48:09,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:48:09,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 16 [2022-12-14 12:48:09,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:09,822 INFO L225 Difference]: With dead ends: 211 [2022-12-14 12:48:09,822 INFO L226 Difference]: Without dead ends: 141 [2022-12-14 12:48:09,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:09,824 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 179 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:09,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 64 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:09,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-12-14 12:48:09,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2022-12-14 12:48:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 132 states have internal predecessors, (139), 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) [2022-12-14 12:48:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 139 transitions. [2022-12-14 12:48:09,832 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 139 transitions. Word has length 16 [2022-12-14 12:48:09,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:09,832 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 139 transitions. [2022-12-14 12:48:09,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-14 12:48:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2022-12-14 12:48:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 12:48:09,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:09,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:09,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:48:09,834 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:09,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:09,834 INFO L85 PathProgramCache]: Analyzing trace with hash 220850550, now seen corresponding path program 1 times [2022-12-14 12:48:09,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:09,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629197725] [2022-12-14 12:48:09,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:09,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:09,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:09,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629197725] [2022-12-14 12:48:09,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629197725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:09,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:09,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:09,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83475537] [2022-12-14 12:48:09,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:09,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:48:09,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:09,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:48:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:09,898 INFO L87 Difference]: Start difference. First operand 133 states and 139 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) [2022-12-14 12:48:10,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:10,016 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2022-12-14 12:48:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:48:10,016 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 [2022-12-14 12:48:10,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:10,017 INFO L225 Difference]: With dead ends: 141 [2022-12-14 12:48:10,017 INFO L226 Difference]: Without dead ends: 139 [2022-12-14 12:48:10,017 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 [2022-12-14 12:48:10,018 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:10,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 125 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-12-14 12:48:10,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2022-12-14 12:48:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 134 states have internal predecessors, (141), 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) [2022-12-14 12:48:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 141 transitions. [2022-12-14 12:48:10,027 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 141 transitions. Word has length 20 [2022-12-14 12:48:10,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:10,027 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 141 transitions. [2022-12-14 12:48:10,027 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) [2022-12-14 12:48:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2022-12-14 12:48:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 12:48:10,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:10,028 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:10,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:48:10,028 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:10,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:10,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1798297706, now seen corresponding path program 1 times [2022-12-14 12:48:10,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:10,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485451016] [2022-12-14 12:48:10,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:10,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:10,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:10,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485451016] [2022-12-14 12:48:10,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485451016] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:10,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247138595] [2022-12-14 12:48:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:10,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:10,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:10,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:10,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:48:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:10,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:48:10,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:10,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:48:10,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247138595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:10,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:48:10,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 12:48:10,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75630076] [2022-12-14 12:48:10,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:10,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:48:10,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:10,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:48:10,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:48:10,217 INFO L87 Difference]: Start difference. First operand 135 states and 141 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-12-14 12:48:10,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:10,354 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2022-12-14 12:48:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:48:10,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2022-12-14 12:48:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:10,355 INFO L225 Difference]: With dead ends: 139 [2022-12-14 12:48:10,355 INFO L226 Difference]: Without dead ends: 130 [2022-12-14 12:48:10,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:48:10,356 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 70 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:10,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 101 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:10,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-12-14 12:48:10,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2022-12-14 12:48:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 125 states have internal predecessors, (132), 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) [2022-12-14 12:48:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 132 transitions. [2022-12-14 12:48:10,361 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 132 transitions. Word has length 26 [2022-12-14 12:48:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:10,361 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 132 transitions. [2022-12-14 12:48:10,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-12-14 12:48:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 132 transitions. [2022-12-14 12:48:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 12:48:10,362 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:10,362 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:10,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:48:10,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:10,563 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash -87345896, now seen corresponding path program 1 times [2022-12-14 12:48:10,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:10,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161011606] [2022-12-14 12:48:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:10,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:10,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:10,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161011606] [2022-12-14 12:48:10,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161011606] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:10,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057388185] [2022-12-14 12:48:10,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:10,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:10,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:10,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:10,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:48:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:10,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:48:10,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:10,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:48:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:48:10,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057388185] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:48:10,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [24489019] [2022-12-14 12:48:10,830 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 12:48:10,830 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:48:10,834 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:48:10,839 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:48:10,839 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:48:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:10,944 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:48:10,944 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 [2022-12-14 12:48:10,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:10,961 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 [2022-12-14 12:48:11,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,061 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 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 12:48:11,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 12:48:11,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-12-14 12:48:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,643 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-12-14 12:48:11,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 52 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 645 treesize of output 619 [2022-12-14 12:48:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:11,996 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 12:48:11,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 500 treesize of output 483 [2022-12-14 12:48:12,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:12,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:12,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:12,277 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:48:13,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [24489019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:13,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:48:13,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4] total 16 [2022-12-14 12:48:13,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241582802] [2022-12-14 12:48:13,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:13,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:48:13,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:13,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:48:13,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2022-12-14 12:48:13,101 INFO L87 Difference]: Start difference. First operand 126 states and 132 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2022-12-14 12:48:13,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:13,856 INFO L93 Difference]: Finished difference Result 216 states and 234 transitions. [2022-12-14 12:48:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:48:13,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-14 12:48:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:13,857 INFO L225 Difference]: With dead ends: 216 [2022-12-14 12:48:13,857 INFO L226 Difference]: Without dead ends: 101 [2022-12-14 12:48:13,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 50 SyntacticMatches, 18 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:48:13,858 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 229 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:13,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 31 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:48:13,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-12-14 12:48:13,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 82. [2022-12-14 12:48:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 81 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) [2022-12-14 12:48:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2022-12-14 12:48:13,863 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 27 [2022-12-14 12:48:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:13,864 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2022-12-14 12:48:13,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2022-12-14 12:48:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2022-12-14 12:48:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 12:48:13,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:13,864 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:13,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:48:14,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:14,066 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:14,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2121772117, now seen corresponding path program 1 times [2022-12-14 12:48:14,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:14,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564091966] [2022-12-14 12:48:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:14,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:14,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:14,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564091966] [2022-12-14 12:48:14,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564091966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:14,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:14,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471123167] [2022-12-14 12:48:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:14,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:48:14,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:14,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:48:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:14,122 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 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) [2022-12-14 12:48:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:14,198 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2022-12-14 12:48:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:48:14,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 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 42 [2022-12-14 12:48:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:14,199 INFO L225 Difference]: With dead ends: 101 [2022-12-14 12:48:14,199 INFO L226 Difference]: Without dead ends: 99 [2022-12-14 12:48:14,199 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 [2022-12-14 12:48:14,200 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 20 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:14,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 73 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-12-14 12:48:14,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2022-12-14 12:48:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 83 states have internal predecessors, (86), 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) [2022-12-14 12:48:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2022-12-14 12:48:14,206 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 42 [2022-12-14 12:48:14,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:14,206 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2022-12-14 12:48:14,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 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) [2022-12-14 12:48:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2022-12-14 12:48:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 12:48:14,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:14,207 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:14,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:48:14,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:14,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1393393311, now seen corresponding path program 1 times [2022-12-14 12:48:14,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:14,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822835415] [2022-12-14 12:48:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:14,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:14,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822835415] [2022-12-14 12:48:14,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822835415] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:14,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541611322] [2022-12-14 12:48:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:14,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:14,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:14,275 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:14,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:48:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:14,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:48:14,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:14,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:48:14,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541611322] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:14,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:48:14,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 12:48:14,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845271943] [2022-12-14 12:48:14,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:14,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:48:14,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:14,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:48:14,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:48:14,362 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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) [2022-12-14 12:48:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:14,458 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2022-12-14 12:48:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:48:14,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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) Word has length 48 [2022-12-14 12:48:14,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:14,459 INFO L225 Difference]: With dead ends: 99 [2022-12-14 12:48:14,459 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 12:48:14,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:48:14,460 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 49 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:14,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 52 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 12:48:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 77. [2022-12-14 12:48:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 68 states have (on average 1.161764705882353) internal successors, (79), 76 states have internal predecessors, (79), 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) [2022-12-14 12:48:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 79 transitions. [2022-12-14 12:48:14,466 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 79 transitions. Word has length 48 [2022-12-14 12:48:14,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:14,466 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 79 transitions. [2022-12-14 12:48:14,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 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) [2022-12-14 12:48:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2022-12-14 12:48:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 12:48:14,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:14,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:14,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 12:48:14,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:14,669 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:14,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:14,670 INFO L85 PathProgramCache]: Analyzing trace with hash 245519817, now seen corresponding path program 1 times [2022-12-14 12:48:14,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:14,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582165581] [2022-12-14 12:48:14,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:14,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:14,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:14,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582165581] [2022-12-14 12:48:14,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582165581] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:14,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323695456] [2022-12-14 12:48:14,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:14,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:14,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:14,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:14,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:48:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:14,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:48:14,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:14,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:48:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:14,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323695456] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:48:14,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2104258220] [2022-12-14 12:48:14,979 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 12:48:14,979 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:48:14,979 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:48:14,979 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:48:14,980 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:48:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,037 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:48:15,037 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 [2022-12-14 12:48:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,048 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 [2022-12-14 12:48:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,122 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 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 12:48:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 12:48:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-12-14 12:48:15,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,514 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-12-14 12:48:15,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 52 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 645 treesize of output 619 [2022-12-14 12:48:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:15,809 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 12:48:15,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 500 treesize of output 483 [2022-12-14 12:48:15,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:15,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:15,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:16,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:16,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 12:48:16,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 12:48:16,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:16,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:16,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:16,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:16,458 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:48:17,669 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3513#(and (not (<= (* 2 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1073741824) (= |#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 [2022-12-14 12:48:17,669 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:48:17,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:48:17,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-12-14 12:48:17,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854761960] [2022-12-14 12:48:17,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:48:17,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 12:48:17,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 12:48:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:48:17,671 INFO L87 Difference]: Start difference. First operand 77 states and 79 transitions. Second operand has 10 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 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) [2022-12-14 12:48:17,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:17,758 INFO L93 Difference]: Finished difference Result 120 states and 130 transitions. [2022-12-14 12:48:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:48:17,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 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) Word has length 49 [2022-12-14 12:48:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:17,759 INFO L225 Difference]: With dead ends: 120 [2022-12-14 12:48:17,759 INFO L226 Difference]: Without dead ends: 113 [2022-12-14 12:48:17,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 100 SyntacticMatches, 31 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2022-12-14 12:48:17,760 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 102 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:17,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 77 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:17,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-12-14 12:48:17,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 96. [2022-12-14 12:48:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.0869565217391304) internal successors, (100), 95 states have internal predecessors, (100), 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) [2022-12-14 12:48:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 100 transitions. [2022-12-14 12:48:17,766 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 100 transitions. Word has length 49 [2022-12-14 12:48:17,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:17,766 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 100 transitions. [2022-12-14 12:48:17,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.11111111111111) internal successors, (91), 10 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) [2022-12-14 12:48:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2022-12-14 12:48:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 12:48:17,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:17,767 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:17,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 12:48:17,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 12:48:17,969 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -735429351, now seen corresponding path program 1 times [2022-12-14 12:48:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:17,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213200140] [2022-12-14 12:48:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 12:48:18,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:18,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213200140] [2022-12-14 12:48:18,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213200140] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:18,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923549104] [2022-12-14 12:48:18,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:18,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:18,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:18,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:48:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:18,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:48:18,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 12:48:18,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:48:18,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923549104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:18,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:48:18,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 12:48:18,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796443137] [2022-12-14 12:48:18,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:18,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:48:18,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:18,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:48:18,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:48:18,153 INFO L87 Difference]: Start difference. First operand 96 states and 100 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-12-14 12:48:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:18,242 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2022-12-14 12:48:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:48:18,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 [2022-12-14 12:48:18,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:18,243 INFO L225 Difference]: With dead ends: 111 [2022-12-14 12:48:18,243 INFO L226 Difference]: Without dead ends: 110 [2022-12-14 12:48:18,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 12:48:18,243 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 41 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:18,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 69 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-14 12:48:18,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 95. [2022-12-14 12:48:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.076086956521739) internal successors, (99), 94 states have internal predecessors, (99), 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) [2022-12-14 12:48:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 99 transitions. [2022-12-14 12:48:18,253 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 99 transitions. Word has length 52 [2022-12-14 12:48:18,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:18,253 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 99 transitions. [2022-12-14 12:48:18,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-12-14 12:48:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2022-12-14 12:48:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 12:48:18,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:18,254 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:18,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 12:48:18,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 12:48:18,456 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:18,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:18,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1323473204, now seen corresponding path program 1 times [2022-12-14 12:48:18,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:18,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190526271] [2022-12-14 12:48:18,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:18,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 12:48:18,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:18,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190526271] [2022-12-14 12:48:18,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190526271] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:18,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966206391] [2022-12-14 12:48:18,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:18,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:18,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:18,628 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:18,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:48:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:18,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:48:18,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 12:48:18,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:48:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 12:48:18,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966206391] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:48:18,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [970452502] [2022-12-14 12:48:18,723 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-12-14 12:48:18,723 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:48:18,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:48:18,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:48:18,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:48:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:18,790 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:48:18,790 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 [2022-12-14 12:48:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:18,799 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 [2022-12-14 12:48:18,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:18,855 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 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 12:48:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:18,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 12:48:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:18,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 12:48:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,238 INFO L321 Elim1Store]: treesize reduction 107, result has 6.1 percent of original size [2022-12-14 12:48:19,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 32 case distinctions, treesize of input 638 treesize of output 612 [2022-12-14 12:48:19,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:19,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:19,531 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 12:48:19,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 516 treesize of output 499 [2022-12-14 12:48:19,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:19,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:19,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:19,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:19,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 12:48:19,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-12-14 12:48:20,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:20,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:20,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:20,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:20,383 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:48:21,909 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4470#(and (<= 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|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#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_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post9#1|) (<= |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 [2022-12-14 12:48:21,909 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:48:21,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:48:21,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-12-14 12:48:21,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431611804] [2022-12-14 12:48:21,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:48:21,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 12:48:21,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:21,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 12:48:21,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2022-12-14 12:48:21,911 INFO L87 Difference]: Start difference. First operand 95 states and 99 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2022-12-14 12:48:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:22,034 INFO L93 Difference]: Finished difference Result 120 states and 126 transitions. [2022-12-14 12:48:22,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 12:48:22,034 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 53 [2022-12-14 12:48:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:22,035 INFO L225 Difference]: With dead ends: 120 [2022-12-14 12:48:22,035 INFO L226 Difference]: Without dead ends: 119 [2022-12-14 12:48:22,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 111 SyntacticMatches, 29 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2022-12-14 12:48:22,037 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 128 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:22,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 98 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:22,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-12-14 12:48:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2022-12-14 12:48:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 101 states have (on average 1.0693069306930694) internal successors, (108), 103 states have internal predecessors, (108), 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) [2022-12-14 12:48:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2022-12-14 12:48:22,044 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 53 [2022-12-14 12:48:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:22,044 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2022-12-14 12:48:22,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2022-12-14 12:48:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2022-12-14 12:48:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 12:48:22,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:22,045 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:22,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:48:22,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:22,245 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:22,246 INFO L85 PathProgramCache]: Analyzing trace with hash -570617193, now seen corresponding path program 2 times [2022-12-14 12:48:22,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:22,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118005157] [2022-12-14 12:48:22,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:22,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 12:48:22,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:22,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118005157] [2022-12-14 12:48:22,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118005157] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:22,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834734493] [2022-12-14 12:48:22,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:48:22,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:22,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:22,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 12:48:22,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:48:22,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:48:22,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:48:22,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:48:22,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:48:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 12:48:22,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834734493] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:48:22,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2079352149] [2022-12-14 12:48:22,846 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-12-14 12:48:22,846 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:48:22,847 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:48:22,847 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:48:22,847 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:48:22,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:22,905 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:48:22,905 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 [2022-12-14 12:48:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:22,916 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 [2022-12-14 12:48:22,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:22,990 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 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 12:48:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 12:48:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 12:48:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,403 INFO L321 Elim1Store]: treesize reduction 107, result has 6.1 percent of original size [2022-12-14 12:48:23,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 32 case distinctions, treesize of input 638 treesize of output 612 [2022-12-14 12:48:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:23,703 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 12:48:23,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 516 treesize of output 499 [2022-12-14 12:48:23,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:23,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:23,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:23,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:24,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 12:48:24,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:24,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-12-14 12:48:24,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:24,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:24,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:24,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:24,465 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:48:26,505 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5120#(and (<= 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|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#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_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post9#1|) (<= |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 [2022-12-14 12:48:26,506 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:48:26,506 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:48:26,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 2, 2] total 18 [2022-12-14 12:48:26,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192076265] [2022-12-14 12:48:26,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:48:26,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-14 12:48:26,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:26,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-14 12:48:26,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2022-12-14 12:48:26,508 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 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) [2022-12-14 12:48:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:27,017 INFO L93 Difference]: Finished difference Result 216 states and 225 transitions. [2022-12-14 12:48:27,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 12:48:27,017 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 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 62 [2022-12-14 12:48:27,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:27,018 INFO L225 Difference]: With dead ends: 216 [2022-12-14 12:48:27,018 INFO L226 Difference]: Without dead ends: 182 [2022-12-14 12:48:27,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 141 SyntacticMatches, 31 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 840 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=257, Invalid=1549, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 12:48:27,019 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 210 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:27,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 89 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:48:27,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-14 12:48:27,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 160. [2022-12-14 12:48:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 158 states have (on average 1.0316455696202531) internal successors, (163), 159 states have internal predecessors, (163), 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) [2022-12-14 12:48:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 163 transitions. [2022-12-14 12:48:27,026 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 163 transitions. Word has length 62 [2022-12-14 12:48:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:27,026 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 163 transitions. [2022-12-14 12:48:27,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 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) [2022-12-14 12:48:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 163 transitions. [2022-12-14 12:48:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 12:48:27,027 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:27,027 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-12-14 12:48:27,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-14 12:48:27,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 12:48:27,228 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:27,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:27,230 INFO L85 PathProgramCache]: Analyzing trace with hash -419031618, now seen corresponding path program 1 times [2022-12-14 12:48:27,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:27,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644548015] [2022-12-14 12:48:27,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:27,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 12:48:27,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:27,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644548015] [2022-12-14 12:48:27,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644548015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:48:27,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:48:27,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:48:27,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262513272] [2022-12-14 12:48:27,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:48:27,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:48:27,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:27,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:48:27,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:48:27,315 INFO L87 Difference]: Start difference. First operand 160 states and 163 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-12-14 12:48:27,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:27,369 INFO L93 Difference]: Finished difference Result 160 states and 163 transitions. [2022-12-14 12:48:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:48:27,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 79 [2022-12-14 12:48:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:27,370 INFO L225 Difference]: With dead ends: 160 [2022-12-14 12:48:27,370 INFO L226 Difference]: Without dead ends: 104 [2022-12-14 12:48:27,370 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 [2022-12-14 12:48:27,371 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:27,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 30 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:48:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-12-14 12:48:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-12-14 12:48:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.0194174757281553) internal successors, (105), 103 states have internal predecessors, (105), 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) [2022-12-14 12:48:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 105 transitions. [2022-12-14 12:48:27,377 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 105 transitions. Word has length 79 [2022-12-14 12:48:27,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:27,378 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 105 transitions. [2022-12-14 12:48:27,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-12-14 12:48:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 105 transitions. [2022-12-14 12:48:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 12:48:27,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:27,379 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:27,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 12:48:27,379 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-12-14 12:48:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash -975893066, now seen corresponding path program 2 times [2022-12-14 12:48:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:27,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12050560] [2022-12-14 12:48:27,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 12:48:27,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:27,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12050560] [2022-12-14 12:48:27,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12050560] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:48:27,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002640896] [2022-12-14 12:48:27,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:48:27,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:27,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:27,655 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:27,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 12:48:27,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:48:27,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:48:27,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:48:27,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 12:48:27,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:48:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 12:48:28,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002640896] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:48:28,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [820647883] [2022-12-14 12:48:28,004 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 12:48:28,004 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:48:28,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:48:28,004 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:48:28,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:48:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,050 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:48:28,051 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 [2022-12-14 12:48:28,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,062 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 [2022-12-14 12:48:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,127 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 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 12:48:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 12:48:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 12:48:28,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,510 INFO L321 Elim1Store]: treesize reduction 107, result has 6.1 percent of original size [2022-12-14 12:48:28,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 32 case distinctions, treesize of input 638 treesize of output 612 [2022-12-14 12:48:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:28,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:28,821 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 12:48:28,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 516 treesize of output 499 [2022-12-14 12:48:28,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:28,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:29,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:29,120 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 16 treesize of output 12 [2022-12-14 12:48:29,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 12:48:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:29,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-12-14 12:48:29,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:29,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:29,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 12:48:29,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:29,449 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:48:31,966 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6477#(and (not (<= (* 2 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1073741824) (= |#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 [2022-12-14 12:48:31,966 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 12:48:31,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 12:48:31,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3, 2] total 12 [2022-12-14 12:48:31,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624225444] [2022-12-14 12:48:31,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 12:48:31,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 12:48:31,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:48:31,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 12:48:31,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2022-12-14 12:48:31,968 INFO L87 Difference]: Start difference. First operand 104 states and 105 transitions. Second operand has 13 states, 12 states have (on average 12.583333333333334) internal successors, (151), 13 states have internal predecessors, (151), 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) [2022-12-14 12:48:32,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:32,234 INFO L93 Difference]: Finished difference Result 198 states and 201 transitions. [2022-12-14 12:48:32,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 12:48:32,235 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.583333333333334) internal successors, (151), 13 states have internal predecessors, (151), 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 103 [2022-12-14 12:48:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:32,235 INFO L225 Difference]: With dead ends: 198 [2022-12-14 12:48:32,235 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 12:48:32,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 221 SyntacticMatches, 75 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=212, Invalid=844, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 12:48:32,236 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 110 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:32,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 35 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:48:32,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 12:48:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 12:48:32,237 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) [2022-12-14 12:48:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 12:48:32,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-12-14 12:48:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:32,237 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 12:48:32,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.583333333333334) internal successors, (151), 13 states have internal predecessors, (151), 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) [2022-12-14 12:48:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 12:48:32,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 12:48:32,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-12-14 12:48:32,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-12-14 12:48:32,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-12-14 12:48:32,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-12-14 12:48:32,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-12-14 12:48:32,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-12-14 12:48:32,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-12-14 12:48:32,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-12-14 12:48:32,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-12-14 12:48:32,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-12-14 12:48:32,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 12:48:32,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 12:48:32,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 12:48:33,824 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,824 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 38) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 38) the Hoare annotation is: (let ((.cse36 (select |#memory_int| 1)) (.cse34 (div ~CELLCOUNT~0 2)) (.cse35 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse35 1))) (.cse1 (= (select .cse35 7) 0)) (.cse2 (= (select |#length| 3) 12)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse35 6) 99)) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= (select .cse35 4) 50)) (.cse9 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (= ~CELLCOUNT~0 (* .cse34 2))) (.cse15 (= 114 (select .cse35 3))) (.cse16 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse17 (= (select |#valid| 1) 1)) (.cse18 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse21 (= (select .cse35 5) 46)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= 8 (select |#length| 2))) (.cse25 (= (select .cse36 0) 48)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse27 (= (select .cse35 0) 109)) (.cse28 (= (select .cse36 1) 0)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= 112 (select .cse35 2))) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~CELLCOUNT~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1073741824) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~i~0#1| 1) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (<= 1 .cse34) .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 38) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 59) the Hoare annotation is: true [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point L44-3(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,826 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L895 garLoopResultBuilder]: At program point L53-5(lines 53 56) the Hoare annotation is: (let ((.cse32 (select |#memory_int| 1)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse31 1))) (.cse1 (= (select .cse31 7) 0)) (.cse2 (= (select |#length| 3) 12)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= (select .cse31 6) 99)) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= (select |#valid| 3) 1)) (.cse9 (= (select .cse31 4) 50)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2))) (.cse15 (= 114 (select .cse31 3))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse20 (= (select .cse31 5) 46)) (.cse21 (= (select |#valid| 2) 1)) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= 8 (select |#length| 2))) (.cse24 (= (select .cse32 0) 48)) (.cse25 (= (select .cse31 0) 109)) (.cse26 (= (select .cse32 1) 0)) (.cse27 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse28 (< 0 |#StackHeapBarrier|)) (.cse29 (= 112 (select .cse31 2))) (.cse30 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30)))) [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,827 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 36) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 36) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L31-3(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,829 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point L48-3(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 51) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point L40-5(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L899 garLoopResultBuilder]: For program point L40-6(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,830 INFO L895 garLoopResultBuilder]: At program point L40-7(lines 40 51) the Hoare annotation is: (let ((.cse32 (select |#memory_int| 1)) (.cse30 (div ~CELLCOUNT~0 2)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse31 1))) (.cse1 (= (select .cse31 7) 0)) (.cse2 (= (select |#length| 3) 12)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse31 6) 99)) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= (select .cse31 4) 50)) (.cse9 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (= ~CELLCOUNT~0 (* .cse30 2))) (.cse14 (= 114 (select .cse31 3))) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse19 (= (select .cse31 5) 46)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= 8 (select |#length| 2))) (.cse23 (= (select .cse32 0) 48)) (.cse24 (= (select .cse31 0) 109)) (.cse25 (= (select .cse32 1) 0)) (.cse26 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (= 112 (select .cse31 2))) (.cse29 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~CELLCOUNT~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~i~0#1| 1) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse13 .cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (<= 1 .cse30) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse24 .cse25 .cse26 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse27 .cse28 .cse29)))) [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point L40-8(lines 40 51) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 57) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 57) no Hoare annotation was computed. [2022-12-14 12:48:33,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50-4(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50-5(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L50-6(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 49) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 49) no Hoare annotation was computed. [2022-12-14 12:48:33,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,833 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2022-12-14 12:48:33,835 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:33,837 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:48:33,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:48:33 BoogieIcfgContainer [2022-12-14 12:48:33,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:48:33,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:48:33,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:48:33,864 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:48:33,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:48:08" (3/4) ... [2022-12-14 12:48:33,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 12:48:33,876 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 12:48:33,877 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 12:48:33,877 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 12:48:33,877 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:48:33,877 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 12:48:33,894 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 1073741824) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= CELLCOUNT / 2) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-12-14 12:48:33,894 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= CELLCOUNT / 2) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-12-14 12:48:33,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:48:33,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:48:33,911 INFO L158 Benchmark]: Toolchain (without parser) took 26033.22ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 130.6MB in the beginning and 85.6MB in the end (delta: 45.0MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-12-14 12:48:33,912 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:48:33,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.90ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 119.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 12:48:33,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.24ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 117.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:48:33,912 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:48:33,913 INFO L158 Benchmark]: RCFGBuilder took 417.80ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 94.7MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 12:48:33,913 INFO L158 Benchmark]: TraceAbstraction took 25345.53ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 94.2MB in the beginning and 88.7MB in the end (delta: 5.4MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2022-12-14 12:48:33,913 INFO L158 Benchmark]: Witness Printer took 47.36ms. Allocated memory is still 237.0MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:48:33,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.90ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 119.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.24ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 117.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 163.6MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.80ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 94.7MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 25345.53ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 94.2MB in the beginning and 88.7MB in the end (delta: 5.4MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. * Witness Printer took 47.36ms. Allocated memory is still 237.0MB. Free memory was 88.7MB in the beginning and 85.6MB 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: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: 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: 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: 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: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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, 97 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 25.3s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1618 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1618 mSDsluCounter, 1270 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 668 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2527 IncrementalHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 602 mSDtfsCounter, 2527 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 752 SyntacticMatches, 186 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3615 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=14, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 144 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 30 NumberOfFragments, 1031 HoareAnnotationTreeSize, 4 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3323 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1027 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1292 ConstructedInterpolants, 0 QuantifiedInterpolants, 4719 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1004 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 29 InterpolantComputations, 11 PerfectInterpolantSequences, 435/572 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: 1.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 21, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 83, TOOLS_POST_TIME: 1.3s, 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: 83, TOOLS_QUANTIFIERELIM_TIME: 1.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 113, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, 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: 483, DAG_COMPRESSION_RETAINED_NODES: 75, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= CELLCOUNT / 2) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 1 <= i) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 1073741824) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && 1 <= CELLCOUNT / 2) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 12:48:33,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1f5ae8-6c0d-4643-ac44-d6df712c2575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE