./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/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_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/nr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/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_d4a80aae-9895-42b8-ac39-0bc76487a346/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 4885a4fffd0288753086daaa59bdb12816a7be62636dc49311bbb97ad277d866 --- 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 08:59:02,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:59:02,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:59:02,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:59:02,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:59:02,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:59:02,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:59:02,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:59:02,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:59:02,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:59:02,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:59:02,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:59:02,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:59:02,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:59:02,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:59:02,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:59:02,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:59:02,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:59:02,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:59:02,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:59:02,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:59:02,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:59:02,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:59:02,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:59:02,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:59:02,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:59:02,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:59:02,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:59:02,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:59:02,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:59:02,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:59:02,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:59:02,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:59:02,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:59:02,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:59:02,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:59:02,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:59:02,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:59:02,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:59:02,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:59:02,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:59:02,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 08:59:02,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:59:02,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:59:02,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:59:02,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:59:02,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:59:02,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:59:02,804 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:59:02,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:59:02,804 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:59:02,804 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:59:02,804 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:59:02,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:59:02,805 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:59:02,805 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:59:02,805 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:59:02,805 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:59:02,805 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:59:02,806 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:59:02,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:59:02,807 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:59:02,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:59:02,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:59:02,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:59:02,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:59:02,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:59:02,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:59:02,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:59:02,808 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:59:02,808 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:59:02,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:59:02,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:59:02,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:59:02,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:59:02,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:59:02,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:59:02,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:59:02,810 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:59:02,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:59:02,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:59:02,810 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:59:02,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:59:02,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:59:02,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:59:02,811 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_d4a80aae-9895-42b8-ac39-0bc76487a346/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4885a4fffd0288753086daaa59bdb12816a7be62636dc49311bbb97ad277d866 [2022-12-14 08:59:02,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:59:03,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:59:03,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:59:03,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:59:03,016 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:59:03,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-tiling/nr3.c [2022-12-14 08:59:05,628 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:59:05,760 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:59:05,760 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/sv-benchmarks/c/array-tiling/nr3.c [2022-12-14 08:59:05,765 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/data/a2b812a8c/0f39c5d2e26d4cd98c67ae748f761cc3/FLAGeca344472 [2022-12-14 08:59:05,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/data/a2b812a8c/0f39c5d2e26d4cd98c67ae748f761cc3 [2022-12-14 08:59:05,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:59:05,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:59:05,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:59:05,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:59:05,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:59:05,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:05,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443ce8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05, skipping insertion in model container [2022-12-14 08:59:05,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:05,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:59:05,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:59:05,932 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_d4a80aae-9895-42b8-ac39-0bc76487a346/sv-benchmarks/c/array-tiling/nr3.c[394,407] [2022-12-14 08:59:05,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:59:05,950 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:59:05,959 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_d4a80aae-9895-42b8-ac39-0bc76487a346/sv-benchmarks/c/array-tiling/nr3.c[394,407] [2022-12-14 08:59:05,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:59:05,974 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:59:05,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05 WrapperNode [2022-12-14 08:59:05,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:59:05,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:59:05,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:59:05,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:59:05,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:05,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,000 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-12-14 08:59:06,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:59:06,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:59:06,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:59:06,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:59:06,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:59:06,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:59:06,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:59:06,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:59:06,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (1/1) ... [2022-12-14 08:59:06,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:59:06,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:06,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:59:06,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:59:06,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:59:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:59:06,135 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:59:06,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:59:06,286 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:59:06,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:59:06,324 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 08:59:06,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:06 BoogieIcfgContainer [2022-12-14 08:59:06,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:59:06,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:59:06,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:59:06,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:59:06,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:59:05" (1/3) ... [2022-12-14 08:59:06,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5809d1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:59:06, skipping insertion in model container [2022-12-14 08:59:06,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:05" (2/3) ... [2022-12-14 08:59:06,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5809d1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:59:06, skipping insertion in model container [2022-12-14 08:59:06,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:06" (3/3) ... [2022-12-14 08:59:06,334 INFO L112 eAbstractionObserver]: Analyzing ICFG nr3.c [2022-12-14 08:59:06,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:59:06,350 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-14 08:59:06,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:59:06,393 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;@5079d630, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:59:06,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-12-14 08:59:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:59:06,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:06,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:59:06,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:06,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:06,407 INFO L85 PathProgramCache]: Analyzing trace with hash 4507266, now seen corresponding path program 1 times [2022-12-14 08:59:06,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:06,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21429869] [2022-12-14 08:59:06,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:06,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:06,724 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 08:59:06,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:06,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21429869] [2022-12-14 08:59:06,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21429869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:06,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:06,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:06,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862736516] [2022-12-14 08:59:06,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:06,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:06,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:06,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:06,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:06,759 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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 08:59:06,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:06,814 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-12-14 08:59:06,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:06,816 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 08:59:06,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:06,823 INFO L225 Difference]: With dead ends: 58 [2022-12-14 08:59:06,823 INFO L226 Difference]: Without dead ends: 40 [2022-12-14 08:59:06,825 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 08:59:06,828 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 87 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:06,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-12-14 08:59:06,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-12-14 08:59:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.72) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-12-14 08:59:06,853 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 4 [2022-12-14 08:59:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:06,854 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-12-14 08:59:06,854 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 08:59:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-12-14 08:59:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 08:59:06,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:06,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 08:59:06,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:59:06,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:06,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:06,856 INFO L85 PathProgramCache]: Analyzing trace with hash 139725300, now seen corresponding path program 1 times [2022-12-14 08:59:06,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:06,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849252976] [2022-12-14 08:59:06,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:06,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,025 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 08:59:07,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849252976] [2022-12-14 08:59:07,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849252976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:07,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171195071] [2022-12-14 08:59:07,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:59:07,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:59:07,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:59:07,028 INFO L87 Difference]: Start difference. First operand 40 states and 43 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 08:59:07,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,054 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2022-12-14 08:59:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:59:07,055 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 08:59:07,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,055 INFO L225 Difference]: With dead ends: 40 [2022-12-14 08:59:07,055 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 08:59:07,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:59:07,057 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 33 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 08:59:07,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-12-14 08:59:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.68) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-12-14 08:59:07,063 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 5 [2022-12-14 08:59:07,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,064 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-12-14 08:59:07,064 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 08:59:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-12-14 08:59:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:59:07,065 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:59:07,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,066 INFO L85 PathProgramCache]: Analyzing trace with hash 733164359, now seen corresponding path program 1 times [2022-12-14 08:59:07,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818857014] [2022-12-14 08:59:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,109 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 08:59:07,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818857014] [2022-12-14 08:59:07,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818857014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:07,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106793880] [2022-12-14 08:59:07,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:59:07,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:59:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:59:07,111 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,153 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2022-12-14 08:59:07,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:59:07,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 08:59:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,155 INFO L225 Difference]: With dead ends: 98 [2022-12-14 08:59:07,155 INFO L226 Difference]: Without dead ends: 62 [2022-12-14 08:59:07,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:59:07,157 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 49 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-14 08:59:07,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2022-12-14 08:59:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-12-14 08:59:07,164 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 8 [2022-12-14 08:59:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,165 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-12-14 08:59:07,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-12-14 08:59:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:59:07,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:59:07,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1253145385, now seen corresponding path program 1 times [2022-12-14 08:59:07,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308245873] [2022-12-14 08:59:07,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,232 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 08:59:07,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308245873] [2022-12-14 08:59:07,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308245873] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:07,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020234004] [2022-12-14 08:59:07,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:07,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:07,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,235 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,284 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-12-14 08:59:07,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:07,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:59:07,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,285 INFO L225 Difference]: With dead ends: 45 [2022-12-14 08:59:07,285 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 08:59:07,285 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 08:59:07,287 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 08:59:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-14 08:59:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 42 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2022-12-14 08:59:07,294 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 9 [2022-12-14 08:59:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,294 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2022-12-14 08:59:07,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-12-14 08:59:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:59:07,295 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:59:07,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1253164894, now seen corresponding path program 1 times [2022-12-14 08:59:07,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296235604] [2022-12-14 08:59:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,353 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 08:59:07,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296235604] [2022-12-14 08:59:07,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296235604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:59:07,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663651293] [2022-12-14 08:59:07,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:07,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:07,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,355 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,394 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2022-12-14 08:59:07,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:07,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:59:07,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,395 INFO L225 Difference]: With dead ends: 97 [2022-12-14 08:59:07,395 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 08:59:07,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,396 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 50 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 53 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 08:59:07,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2022-12-14 08:59:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 43 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-12-14 08:59:07,402 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 9 [2022-12-14 08:59:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,403 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-12-14 08:59:07,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-12-14 08:59:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:59:07,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:59:07,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1253164574, now seen corresponding path program 1 times [2022-12-14 08:59:07,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056793231] [2022-12-14 08:59:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,436 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 08:59:07,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056793231] [2022-12-14 08:59:07,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056793231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:59:07,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767731650] [2022-12-14 08:59:07,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:59:07,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:59:07,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:59:07,438 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,489 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-12-14 08:59:07,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:59:07,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:59:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,490 INFO L225 Difference]: With dead ends: 77 [2022-12-14 08:59:07,490 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 08:59:07,490 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 08:59:07,491 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 23 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 40 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 08:59:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2022-12-14 08:59:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 61 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-12-14 08:59:07,499 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 9 [2022-12-14 08:59:07,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,499 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-12-14 08:59:07,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-12-14 08:59:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:59:07,500 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:59:07,500 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1700315104, now seen corresponding path program 1 times [2022-12-14 08:59:07,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52773431] [2022-12-14 08:59:07,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,550 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 08:59:07,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52773431] [2022-12-14 08:59:07,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52773431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:07,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314121302] [2022-12-14 08:59:07,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:07,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:07,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,552 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,619 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2022-12-14 08:59:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:07,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 08:59:07,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,620 INFO L225 Difference]: With dead ends: 84 [2022-12-14 08:59:07,621 INFO L226 Difference]: Without dead ends: 82 [2022-12-14 08:59:07,621 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 08:59:07,622 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 32 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 48 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:59:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-14 08:59:07,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2022-12-14 08:59:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.5) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2022-12-14 08:59:07,630 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 11 [2022-12-14 08:59:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,630 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2022-12-14 08:59:07,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-12-14 08:59:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:59:07,631 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,631 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:59:07,631 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,632 INFO L85 PathProgramCache]: Analyzing trace with hash 598563555, now seen corresponding path program 1 times [2022-12-14 08:59:07,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687491585] [2022-12-14 08:59:07,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,763 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 08:59:07,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687491585] [2022-12-14 08:59:07,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687491585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:59:07,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617962781] [2022-12-14 08:59:07,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:07,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:07,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,765 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,819 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2022-12-14 08:59:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:07,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 08:59:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,820 INFO L225 Difference]: With dead ends: 85 [2022-12-14 08:59:07,820 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 08:59:07,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 08:59:07,821 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 90 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 36 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 08:59:07,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2022-12-14 08:59:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2022-12-14 08:59:07,828 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 12 [2022-12-14 08:59:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,828 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2022-12-14 08:59:07,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2022-12-14 08:59:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:59:07,829 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:59:07,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,830 INFO L85 PathProgramCache]: Analyzing trace with hash -756947920, now seen corresponding path program 1 times [2022-12-14 08:59:07,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996920394] [2022-12-14 08:59:07,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,877 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 08:59:07,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996920394] [2022-12-14 08:59:07,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996920394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:07,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876065175] [2022-12-14 08:59:07,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:07,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:07,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,879 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:07,918 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-12-14 08:59:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:07,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 08:59:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:07,919 INFO L225 Difference]: With dead ends: 82 [2022-12-14 08:59:07,919 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 08:59:07,919 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 08:59:07,920 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:07,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:07,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 08:59:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2022-12-14 08:59:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.467741935483871) internal successors, (91), 75 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2022-12-14 08:59:07,928 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 14 [2022-12-14 08:59:07,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:07,928 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2022-12-14 08:59:07,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-12-14 08:59:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 08:59:07,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:07,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:07,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:59:07,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:07,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:07,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1657085202, now seen corresponding path program 1 times [2022-12-14 08:59:07,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:07,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784399328] [2022-12-14 08:59:07,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:07,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:59:07,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:07,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784399328] [2022-12-14 08:59:07,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784399328] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:07,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:07,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21778243] [2022-12-14 08:59:07,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:07,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:07,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:07,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:07,977 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:08,028 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2022-12-14 08:59:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:08,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 08:59:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:08,029 INFO L225 Difference]: With dead ends: 86 [2022-12-14 08:59:08,029 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 08:59:08,030 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 08:59:08,030 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:08,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 60 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 08:59:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78. [2022-12-14 08:59:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 64 states have (on average 1.453125) internal successors, (93), 77 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2022-12-14 08:59:08,035 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 17 [2022-12-14 08:59:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:08,035 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2022-12-14 08:59:08,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-12-14 08:59:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 08:59:08,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:08,035 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:08,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 08:59:08,036 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:08,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:08,036 INFO L85 PathProgramCache]: Analyzing trace with hash 38751577, now seen corresponding path program 1 times [2022-12-14 08:59:08,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:08,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862163750] [2022-12-14 08:59:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:08,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:59:08,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:08,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862163750] [2022-12-14 08:59:08,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862163750] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:59:08,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698229648] [2022-12-14 08:59:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:08,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:08,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:08,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:59:08,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:59:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:08,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:59:08,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:59:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:59:08,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:59:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:59:08,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698229648] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:59:08,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1925766981] [2022-12-14 08:59:08,272 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 08:59:08,272 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:59:08,274 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:59:08,278 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:59:08,279 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:59:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:08,369 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:59:08,369 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 08:59:08,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:08,386 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 08:59:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:08,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-12-14 08:59:08,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:08,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:08,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-12-14 08:59:09,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:09,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:09,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:09,021 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 08:59:09,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 615 treesize of output 585 [2022-12-14 08:59:09,339 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:59:11,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1925766981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:11,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:59:11,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 6, 6] total 21 [2022-12-14 08:59:11,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628892515] [2022-12-14 08:59:11,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:11,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 08:59:11,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 08:59:11,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2022-12-14 08:59:11,452 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 08:59:12,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:12,207 INFO L93 Difference]: Finished difference Result 152 states and 176 transitions. [2022-12-14 08:59:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 08:59:12,208 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 08:59:12,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:12,208 INFO L225 Difference]: With dead ends: 152 [2022-12-14 08:59:12,208 INFO L226 Difference]: Without dead ends: 102 [2022-12-14 08:59:12,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 35 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2022-12-14 08:59:12,209 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 127 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:12,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 41 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:59:12,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-12-14 08:59:12,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 84. [2022-12-14 08:59:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.4285714285714286) internal successors, (100), 83 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 08:59:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 100 transitions. [2022-12-14 08:59:12,216 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 100 transitions. Word has length 20 [2022-12-14 08:59:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:12,216 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 100 transitions. [2022-12-14 08:59:12,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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 08:59:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2022-12-14 08:59:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 08:59:12,216 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:12,216 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] [2022-12-14 08:59:12,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:59:12,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:12,418 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:12,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:12,420 INFO L85 PathProgramCache]: Analyzing trace with hash -897884767, now seen corresponding path program 1 times [2022-12-14 08:59:12,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:12,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505685007] [2022-12-14 08:59:12,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:12,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:59:12,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:12,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505685007] [2022-12-14 08:59:12,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505685007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:12,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:12,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:12,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517358364] [2022-12-14 08:59:12,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:12,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:12,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:12,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:12,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:12,480 INFO L87 Difference]: Start difference. First operand 84 states and 100 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 08:59:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:12,512 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2022-12-14 08:59:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:12,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2022-12-14 08:59:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:12,513 INFO L225 Difference]: With dead ends: 84 [2022-12-14 08:59:12,513 INFO L226 Difference]: Without dead ends: 83 [2022-12-14 08:59:12,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:59:12,514 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 18 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:12,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 56 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:12,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-12-14 08:59:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-12-14 08:59:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.4) internal successors, (98), 82 states have internal predecessors, (98), 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 08:59:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 98 transitions. [2022-12-14 08:59:12,520 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 98 transitions. Word has length 23 [2022-12-14 08:59:12,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:12,520 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 98 transitions. [2022-12-14 08:59:12,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 08:59:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2022-12-14 08:59:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 08:59:12,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:12,521 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:12,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 08:59:12,521 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:12,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:12,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2064623907, now seen corresponding path program 1 times [2022-12-14 08:59:12,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:12,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268119245] [2022-12-14 08:59:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:12,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:59:12,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:12,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268119245] [2022-12-14 08:59:12,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268119245] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:59:12,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157885012] [2022-12-14 08:59:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:12,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:12,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:12,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:59:12,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:59:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:12,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:59:12,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:59:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:59:12,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:59:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:59:12,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157885012] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:59:12,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1403206611] [2022-12-14 08:59:12,709 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-12-14 08:59:12,709 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:59:12,709 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:59:12,709 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:59:12,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:59:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:12,752 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:59:12,752 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 08:59:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:12,765 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 08:59:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:12,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-12-14 08:59:12,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:12,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-12-14 08:59:12,980 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:13,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:13,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:13,258 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 08:59:13,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 615 treesize of output 585 [2022-12-14 08:59:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:13,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:13,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:13,480 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:59:13,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 625 treesize of output 607 [2022-12-14 08:59:13,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:13,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:13,760 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:59:15,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1403206611] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:15,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:59:15,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6, 6, 6] total 24 [2022-12-14 08:59:15,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166031698] [2022-12-14 08:59:15,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:15,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 08:59:15,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:15,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 08:59:15,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2022-12-14 08:59:15,658 INFO L87 Difference]: Start difference. First operand 83 states and 98 transitions. Second operand has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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 08:59:17,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:17,600 INFO L93 Difference]: Finished difference Result 136 states and 160 transitions. [2022-12-14 08:59:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:59:17,600 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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 24 [2022-12-14 08:59:17,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:17,601 INFO L225 Difference]: With dead ends: 136 [2022-12-14 08:59:17,601 INFO L226 Difference]: Without dead ends: 87 [2022-12-14 08:59:17,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 45 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2022-12-14 08:59:17,603 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 94 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:17,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 47 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 08:59:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-12-14 08:59:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 74. [2022-12-14 08:59:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 61 states have (on average 1.360655737704918) internal successors, (83), 73 states have internal predecessors, (83), 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 08:59:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2022-12-14 08:59:17,608 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 24 [2022-12-14 08:59:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:17,608 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2022-12-14 08:59:17,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 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 08:59:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2022-12-14 08:59:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 08:59:17,609 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:17,609 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:17,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 08:59:17,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 08:59:17,810 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:17,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1747968747, now seen corresponding path program 1 times [2022-12-14 08:59:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:17,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404639733] [2022-12-14 08:59:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 08:59:17,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:17,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404639733] [2022-12-14 08:59:17,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404639733] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:59:17,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512850997] [2022-12-14 08:59:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:17,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:17,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:17,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:59:17,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:59:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:17,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:59:17,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:59:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:59:17,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:59:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 08:59:18,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512850997] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:59:18,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [766441438] [2022-12-14 08:59:18,010 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 08:59:18,010 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:59:18,010 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:59:18,010 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:59:18,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:59:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,055 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 08:59:18,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 08:59:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,087 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:59:18,088 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 08:59:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-12-14 08:59:18,203 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-12-14 08:59:18,347 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:18,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:18,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:18,710 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 08:59:18,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 651 treesize of output 621 [2022-12-14 08:59:18,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:18,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:18,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:18,963 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:59:18,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 661 treesize of output 643 [2022-12-14 08:59:19,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:19,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:19,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:19,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:19,429 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:59:20,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [766441438] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:20,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:59:20,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 6, 6] total 25 [2022-12-14 08:59:20,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551284821] [2022-12-14 08:59:20,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:20,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 08:59:20,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:20,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 08:59:20,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2022-12-14 08:59:20,917 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:23,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:23,293 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2022-12-14 08:59:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 08:59:23,293 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-12-14 08:59:23,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:23,294 INFO L225 Difference]: With dead ends: 119 [2022-12-14 08:59:23,294 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 08:59:23,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 67 SyntacticMatches, 11 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=223, Invalid=1037, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 08:59:23,294 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 99 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:23,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 17 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 08:59:23,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 08:59:23,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2022-12-14 08:59:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 64 states have internal predecessors, (70), 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 08:59:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2022-12-14 08:59:23,300 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 33 [2022-12-14 08:59:23,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:23,300 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2022-12-14 08:59:23,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2022-12-14 08:59:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 08:59:23,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:23,301 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] [2022-12-14 08:59:23,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:59:23,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 08:59:23,502 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:23,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2124968820, now seen corresponding path program 1 times [2022-12-14 08:59:23,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:23,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63793927] [2022-12-14 08:59:23,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:59:23,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:23,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63793927] [2022-12-14 08:59:23,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63793927] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:59:23,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815499814] [2022-12-14 08:59:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:23,608 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:59:23,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:59:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:23,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:59:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:59:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:59:23,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:59:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:59:23,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815499814] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:59:23,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1110449287] [2022-12-14 08:59:23,736 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-12-14 08:59:23,736 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:59:23,736 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:59:23,736 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:59:23,736 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:59:23,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:23,784 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 08:59:23,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 08:59:23,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:23,818 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:59:23,818 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 08:59:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:23,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-12-14 08:59:23,946 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-12-14 08:59:24,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:24,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:24,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:24,443 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 08:59:24,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 651 treesize of output 621 [2022-12-14 08:59:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:24,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:24,668 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:59:24,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 661 treesize of output 643 [2022-12-14 08:59:24,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:24,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:24,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:24,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:25,371 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:59:26,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1110449287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:26,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:59:26,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [6, 6, 6] total 30 [2022-12-14 08:59:26,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155990228] [2022-12-14 08:59:26,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:26,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 08:59:26,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:26,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 08:59:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2022-12-14 08:59:26,926 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 08:59:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:31,221 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2022-12-14 08:59:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 08:59:31,221 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 36 [2022-12-14 08:59:31,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:31,222 INFO L225 Difference]: With dead ends: 67 [2022-12-14 08:59:31,222 INFO L226 Difference]: Without dead ends: 66 [2022-12-14 08:59:31,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 75 SyntacticMatches, 10 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=398, Invalid=1764, Unknown=0, NotChecked=0, Total=2162 [2022-12-14 08:59:31,224 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 125 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:31,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 08:59:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-14 08:59:31,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2022-12-14 08:59:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 60 states have (on average 1.15) internal successors, (69), 63 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2022-12-14 08:59:31,233 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 36 [2022-12-14 08:59:31,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:31,233 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2022-12-14 08:59:31,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 08:59:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2022-12-14 08:59:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 08:59:31,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:31,234 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-12-14 08:59:31,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 08:59:31,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 08:59:31,434 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:31,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:31,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1449523844, now seen corresponding path program 1 times [2022-12-14 08:59:31,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:31,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717459206] [2022-12-14 08:59:31,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:31,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 08:59:31,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:31,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717459206] [2022-12-14 08:59:31,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717459206] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:59:31,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798541884] [2022-12-14 08:59:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:31,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:31,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:31,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:59:31,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:59:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:31,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:59:31,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:59:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 08:59:31,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:59:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 08:59:31,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798541884] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:59:31,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1537707150] [2022-12-14 08:59:31,640 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-12-14 08:59:31,640 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:59:31,640 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:59:31,641 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:59:31,641 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:59:31,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:31,686 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:59:31,687 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 08:59:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:31,697 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 08:59:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:31,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-12-14 08:59:31,826 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:31,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:31,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-12-14 08:59:32,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:32,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:32,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:32,514 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 08:59:32,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 651 treesize of output 621 [2022-12-14 08:59:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:32,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:32,912 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:59:32,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 661 treesize of output 643 [2022-12-14 08:59:33,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:33,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:33,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:33,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:33,507 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:59:35,306 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3635#(and (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start_main_~MINVAL~0#1| 2) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1))' at error location [2022-12-14 08:59:35,306 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:59:35,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:59:35,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2022-12-14 08:59:35,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982308582] [2022-12-14 08:59:35,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:59:35,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 08:59:35,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:35,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 08:59:35,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2022-12-14 08:59:35,308 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:35,478 INFO L93 Difference]: Finished difference Result 154 states and 167 transitions. [2022-12-14 08:59:35,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 08:59:35,478 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-12-14 08:59:35,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:35,478 INFO L225 Difference]: With dead ends: 154 [2022-12-14 08:59:35,478 INFO L226 Difference]: Without dead ends: 98 [2022-12-14 08:59:35,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 77 SyntacticMatches, 10 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=210, Invalid=1430, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 08:59:35,479 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 154 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:35,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 67 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:59:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-12-14 08:59:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 83. [2022-12-14 08:59:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 79 states have (on average 1.1139240506329113) internal successors, (88), 82 states have internal predecessors, (88), 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 08:59:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2022-12-14 08:59:35,486 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 37 [2022-12-14 08:59:35,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:35,486 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2022-12-14 08:59:35,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2022-12-14 08:59:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 08:59:35,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:35,487 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:35,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 08:59:35,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 08:59:35,688 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:35,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:35,688 INFO L85 PathProgramCache]: Analyzing trace with hash -512885361, now seen corresponding path program 2 times [2022-12-14 08:59:35,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:35,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103470555] [2022-12-14 08:59:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:35,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 08:59:35,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:35,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103470555] [2022-12-14 08:59:35,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103470555] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:59:35,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716480806] [2022-12-14 08:59:35,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:59:35,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:59:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:35,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:59:35,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 08:59:35,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 08:59:35,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:59:35,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 08:59:35,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:59:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 08:59:35,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:59:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 08:59:35,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716480806] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:59:35,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1138362963] [2022-12-14 08:59:35,906 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-12-14 08:59:35,906 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:59:35,907 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:59:35,907 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:59:35,907 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:59:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:35,949 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 08:59:35,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-12-14 08:59:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:35,981 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 08:59:35,981 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 08:59:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-12-14 08:59:36,117 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2022-12-14 08:59:36,271 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 08:59:36,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:36,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:36,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:36,613 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-14 08:59:36,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 651 treesize of output 621 [2022-12-14 08:59:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:59:37,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:37,024 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:59:37,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 661 treesize of output 643 [2022-12-14 08:59:37,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:37,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:37,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:37,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-12-14 08:59:37,511 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:59:39,120 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4244#(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|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#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 08:59:39,120 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:59:39,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:59:39,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 2, 2] total 9 [2022-12-14 08:59:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964619638] [2022-12-14 08:59:39,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:59:39,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 08:59:39,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:39,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 08:59:39,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=649, Unknown=0, NotChecked=0, Total=756 [2022-12-14 08:59:39,121 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 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 08:59:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:39,243 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2022-12-14 08:59:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 08:59:39,243 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 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 08:59:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:39,244 INFO L225 Difference]: With dead ends: 86 [2022-12-14 08:59:39,244 INFO L226 Difference]: Without dead ends: 72 [2022-12-14 08:59:39,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 115 SyntacticMatches, 12 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 08:59:39,244 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 51 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:39,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 51 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:39,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-12-14 08:59:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-12-14 08:59:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 71 states have internal predecessors, (76), 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 08:59:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2022-12-14 08:59:39,250 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 49 [2022-12-14 08:59:39,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:39,250 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2022-12-14 08:59:39,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 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 08:59:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-12-14 08:59:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 08:59:39,251 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:39,251 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:39,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 08:59:39,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 08:59:39,453 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1813275907, now seen corresponding path program 1 times [2022-12-14 08:59:39,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:39,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888822844] [2022-12-14 08:59:39,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:39,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 08:59:39,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:39,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888822844] [2022-12-14 08:59:39,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888822844] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:39,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:39,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:59:39,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287131595] [2022-12-14 08:59:39,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:39,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:59:39,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:39,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:59:39,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:59:39,490 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 08:59:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:39,516 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-12-14 08:59:39,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:59:39,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 08:59:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:39,517 INFO L225 Difference]: With dead ends: 72 [2022-12-14 08:59:39,517 INFO L226 Difference]: Without dead ends: 70 [2022-12-14 08:59:39,517 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 08:59:39,518 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 11 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:39,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 16 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:39,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-14 08:59:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-14 08:59:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 69 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-12-14 08:59:39,528 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 52 [2022-12-14 08:59:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:39,528 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-12-14 08:59:39,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 08:59:39,528 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-12-14 08:59:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 08:59:39,529 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:59:39,529 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 08:59:39,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 08:59:39,529 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 08:59:39,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:59:39,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1028153870, now seen corresponding path program 1 times [2022-12-14 08:59:39,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:59:39,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308814540] [2022-12-14 08:59:39,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:59:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:59:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:59:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-14 08:59:39,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:59:39,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308814540] [2022-12-14 08:59:39,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308814540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:59:39,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:59:39,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:59:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708845201] [2022-12-14 08:59:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:59:39,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:59:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:59:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:59:39,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:59:39,590 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:39,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:59:39,621 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-12-14 08:59:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 08:59:39,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-12-14 08:59:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:59:39,621 INFO L225 Difference]: With dead ends: 70 [2022-12-14 08:59:39,621 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:59:39,622 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 08:59:39,622 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:59:39,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:59:39,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:59:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:59:39,623 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 08:59:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:59:39,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-12-14 08:59:39,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:59:39,624 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:59:39,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:59:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:59:39,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:59:39,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-12-14 08:59:39,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-12-14 08:59:39,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-12-14 08:59:39,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 08:59:39,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 08:59:40,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,617 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,617 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 40) no Hoare annotation was computed. [2022-12-14 08:59:40,617 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,617 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 40) the Hoare annotation is: (let ((.cse29 (select |#memory_int| 1)) (.cse27 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse28 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse28 5) 0)) (.cse4 (= 114 (select .cse28 1))) (.cse5 (<= 2 ~CELLCOUNT~0)) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse9 (<= ~CELLCOUNT~0 2147483647)) (.cse10 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse11 (= 51 (select .cse28 2))) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= (select .cse28 4) 99)) (.cse14 (= (select .cse28 0) 110)) (.cse15 (or (and .cse27 (= (ite (= (let ((.cse30 (mod ~CELLCOUNT~0 3))) (ite (and (not (= .cse30 0)) (< ~CELLCOUNT~0 0)) (+ .cse30 (- 3)) .cse30)) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0))) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 1)))) (.cse16 (= (select |#valid| 0) 0)) (.cse17 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse18 (= (select |#valid| 2) 1)) (.cse19 (= |#NULL.offset| 0)) (.cse20 (= (select .cse29 0) 48)) (.cse21 (= (select .cse29 1) 0)) (.cse22 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse23 (= 46 (select .cse28 3))) (.cse24 (= 6 (select |#length| 2))) (.cse25 (< 0 |#StackHeapBarrier|)) (.cse26 (= |#NULL.base| 0))) (or (and (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3)) .cse0 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse21 .cse22 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse23 .cse24 .cse25 .cse26) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse27 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26)))) [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 40) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 48) the Hoare annotation is: true [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,618 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 39) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L895 garLoopResultBuilder]: At program point L29-5(lines 29 39) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3)) (= (select |#length| 3) 12) (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1) (= (select .cse0 5) 0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= 114 (select .cse0 1)) (<= 2 ~CELLCOUNT~0) (= 2 (select |#length| 1)) (<= |ULTIMATE.start_main_~j~0#1| 3) (= (select |#valid| 3) 1) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |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|) (= 51 (select .cse0 2)) (= (select |#valid| 1) 1) (= (select .cse0 4) 99) (= (select .cse0 0) 110) (= (select |#valid| 0) 0) (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= |ULTIMATE.start_main_~i~0#1| 715827882) (= (select .cse1 1) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= 46 (select .cse0 3)) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-12-14 08:59:40,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 46) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 46) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point L42-4(line 42) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L895 garLoopResultBuilder]: At program point L42-5(lines 42 45) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3)) (= (select |#length| 3) 12) (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1) (= (select .cse0 5) 0) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (= 114 (select .cse0 1)) (<= 2 ~CELLCOUNT~0) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= 51 (select .cse0 2)) (= (select |#valid| 1) 1) (= (select .cse0 4) 99) (= (select .cse0 0) 110) (= (select |#valid| 0) 0) (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select .cse1 1) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= 46 (select .cse0 3)) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-12-14 08:59:40,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-12-14 08:59:40,623 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:59:40,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:59:40,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:59:40 BoogieIcfgContainer [2022-12-14 08:59:40,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:59:40,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:59:40,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:59:40,640 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:59:40,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:06" (3/4) ... [2022-12-14 08:59:40,643 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:59:40,649 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 08:59:40,649 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 08:59:40,650 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 08:59:40,650 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:59:40,650 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:59:40,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && ((((i == 1 && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && \old(cond) == cond) && !(cond == 0)) || (2 <= i && j < 1))) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && ((((i == 1 && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && \old(cond) == cond) && !(cond == 0)) || (2 <= i && j < 1))) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-12-14 08:59:40,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= i) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 [2022-12-14 08:59:40,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && j <= 3) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && i <= 715827882) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 [2022-12-14 08:59:40,673 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:59:40,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:59:40,674 INFO L158 Benchmark]: Toolchain (without parser) took 34896.30ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 111.6MB in the beginning and 81.5MB in the end (delta: 30.0MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,674 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:59:40,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.41ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 100.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.28ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,675 INFO L158 Benchmark]: Boogie Preprocessor took 21.03ms. Allocated memory is still 161.5MB. Free memory was 99.0MB in the beginning and 97.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,675 INFO L158 Benchmark]: RCFGBuilder took 303.51ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 80.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,675 INFO L158 Benchmark]: TraceAbstraction took 34311.56ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 80.1MB in the beginning and 84.7MB in the end (delta: -4.5MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,675 INFO L158 Benchmark]: Witness Printer took 33.33ms. Allocated memory is still 237.0MB. Free memory was 84.7MB in the beginning and 81.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:59:40,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.41ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 100.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.28ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.03ms. Allocated memory is still 161.5MB. Free memory was 99.0MB in the beginning and 97.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.51ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 80.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34311.56ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 80.1MB in the beginning and 84.7MB in the end (delta: -4.5MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * Witness Printer took 33.33ms. Allocated memory is still 237.0MB. Free memory was 84.7MB in the beginning and 81.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 34.2s, OverallIterations: 19, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1089 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1089 mSDsluCounter, 844 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 454 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1557 IncrementalHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 390 mSDtfsCounter, 1557 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 724 GetRequests, 432 SyntacticMatches, 62 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2449 ImplicationChecksByTransitivity, 19.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=11, InterpolantAutomatonStates: 132, 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, 19 MinimizatonAttempts, 137 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 21 NumberOfFragments, 716 HoareAnnotationTreeSize, 4 FomulaSimplifications, 236 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2529 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 640 NumberOfCodeBlocks, 601 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 808 ConstructedInterpolants, 0 QuantifiedInterpolants, 2148 SizeOfPredicates, 18 NumberOfNonLiveVariables, 657 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 31 InterpolantComputations, 13 PerfectInterpolantSequences, 383/438 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: 5.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 112, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 432, TOOLS_POST_TIME: 4.4s, 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: 372, TOOLS_QUANTIFIERELIM_TIME: 4.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 594, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 40, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 27, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 112, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME: 3.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 27, 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: 3598, DAG_COMPRESSION_RETAINED_NODES: 335, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= i) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && ((((i == 1 && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && \old(cond) == cond) && !(cond == 0)) || (2 <= i && j < 1))) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && ((((i == 1 && (if (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT % 3 + -3 else CELLCOUNT % 3) == 0 then 1 else 0) == \old(cond)) && \old(cond) == cond) && !(cond == 0)) || (2 <= i && j < 1))) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && j <= 3) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && i <= 715827882) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 08:59:40,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a80aae-9895-42b8-ac39-0bc76487a346/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