./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/mbpr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/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_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/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_875fa023-eb68-457c-86c1-8a15f0fc88f3/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 a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 --- 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 16:11:00,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:11:00,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:11:00,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:11:00,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:11:00,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:11:00,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:11:00,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:11:00,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:11:00,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:11:00,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:11:00,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:11:00,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:11:00,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:11:00,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:11:00,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:11:00,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:11:00,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:11:00,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:11:00,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:11:00,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:11:00,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:11:00,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:11:00,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:11:00,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:11:00,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:11:00,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:11:00,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:11:00,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:11:00,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:11:00,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:11:00,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:11:00,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:11:00,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:11:00,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:11:00,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:11:00,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:11:00,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:11:00,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:11:00,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:11:00,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:11:00,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 16:11:00,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:11:00,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:11:00,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:11:00,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:11:00,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:11:00,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:11:00,793 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:11:00,793 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:11:00,793 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:11:00,793 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:11:00,794 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:11:00,794 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:11:00,794 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:11:00,794 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:11:00,794 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:11:00,795 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:11:00,795 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:11:00,795 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:11:00,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:11:00,796 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:11:00,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:11:00,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:11:00,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:11:00,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:11:00,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:11:00,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:11:00,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:11:00,797 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:11:00,798 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:11:00,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:11:00,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:11:00,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:11:00,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:11:00,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:11:00,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:11:00,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:11:00,799 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:11:00,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:11:00,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:11:00,800 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:11:00,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:11:00,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:11:00,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:11:00,800 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_875fa023-eb68-457c-86c1-8a15f0fc88f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 [2022-12-14 16:11:00,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:11:00,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:11:01,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:11:01,001 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:11:01,001 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:11:01,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-tiling/mbpr3.c [2022-12-14 16:11:03,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:11:03,823 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:11:03,823 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/sv-benchmarks/c/array-tiling/mbpr3.c [2022-12-14 16:11:03,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/data/6ed41d9b1/1c45ef2993b54e389dffae703f4cd564/FLAG03adca2e5 [2022-12-14 16:11:03,840 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/data/6ed41d9b1/1c45ef2993b54e389dffae703f4cd564 [2022-12-14 16:11:03,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:11:03,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:11:03,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:11:03,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:11:03,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:11:03,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:11:03" (1/1) ... [2022-12-14 16:11:03,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709e3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:03, skipping insertion in model container [2022-12-14 16:11:03,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:11:03" (1/1) ... [2022-12-14 16:11:03,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:11:03,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:11:03,988 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_875fa023-eb68-457c-86c1-8a15f0fc88f3/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2022-12-14 16:11:04,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:11:04,014 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:11:04,023 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_875fa023-eb68-457c-86c1-8a15f0fc88f3/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2022-12-14 16:11:04,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:11:04,045 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:11:04,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04 WrapperNode [2022-12-14 16:11:04,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:11:04,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:11:04,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:11:04,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:11:04,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,086 INFO L138 Inliner]: procedures = 15, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 201 [2022-12-14 16:11:04,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:11:04,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:11:04,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:11:04,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:11:04,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:11:04,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:11:04,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:11:04,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:11:04,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (1/1) ... [2022-12-14 16:11:04,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:11:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:04,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:11:04,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:11:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:11:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:11:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:11:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:11:04,249 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:11:04,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:11:04,599 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:11:04,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:11:04,635 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 16:11:04,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:11:04 BoogieIcfgContainer [2022-12-14 16:11:04,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:11:04,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:11:04,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:11:04,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:11:04,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:11:03" (1/3) ... [2022-12-14 16:11:04,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bda1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:11:04, skipping insertion in model container [2022-12-14 16:11:04,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:11:04" (2/3) ... [2022-12-14 16:11:04,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bda1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:11:04, skipping insertion in model container [2022-12-14 16:11:04,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:11:04" (3/3) ... [2022-12-14 16:11:04,644 INFO L112 eAbstractionObserver]: Analyzing ICFG mbpr3.c [2022-12-14 16:11:04,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:11:04,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2022-12-14 16:11:04,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:11:04,702 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;@16b59237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:11:04,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-12-14 16:11:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 101 states have (on average 1.9702970297029703) internal successors, (199), 187 states have internal predecessors, (199), 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 16:11:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:11:04,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:04,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:11:04,710 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:04,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:04,714 INFO L85 PathProgramCache]: Analyzing trace with hash 9576913, now seen corresponding path program 1 times [2022-12-14 16:11:04,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:04,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926484772] [2022-12-14 16:11:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:04,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:04,952 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 16:11:04,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:04,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926484772] [2022-12-14 16:11:04,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926484772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:04,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:04,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:04,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107108819] [2022-12-14 16:11:04,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:04,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:04,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:04,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:04,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:04,994 INFO L87 Difference]: Start difference. First operand has 188 states, 101 states have (on average 1.9702970297029703) internal successors, (199), 187 states have internal predecessors, (199), 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 16:11:05,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:05,081 INFO L93 Difference]: Finished difference Result 318 states and 335 transitions. [2022-12-14 16:11:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:11:05,083 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 16:11:05,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:05,089 INFO L225 Difference]: With dead ends: 318 [2022-12-14 16:11:05,089 INFO L226 Difference]: Without dead ends: 182 [2022-12-14 16:11:05,091 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 16:11:05,093 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 190 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:05,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 172 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:11:05,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-14 16:11:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-12-14 16:11:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 99 states have (on average 1.898989898989899) internal successors, (188), 181 states have internal predecessors, (188), 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 16:11:05,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 188 transitions. [2022-12-14 16:11:05,123 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 188 transitions. Word has length 4 [2022-12-14 16:11:05,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:05,123 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 188 transitions. [2022-12-14 16:11:05,123 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 16:11:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 188 transitions. [2022-12-14 16:11:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:11:05,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:05,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 16:11:05,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:11:05,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:05,125 INFO L85 PathProgramCache]: Analyzing trace with hash 296884357, now seen corresponding path program 1 times [2022-12-14 16:11:05,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:05,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103156947] [2022-12-14 16:11:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:05,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:05,259 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 16:11:05,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:05,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103156947] [2022-12-14 16:11:05,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103156947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:05,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:05,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:05,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266220248] [2022-12-14 16:11:05,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:05,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:11:05,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:05,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:11:05,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:11:05,263 INFO L87 Difference]: Start difference. First operand 182 states and 188 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 16:11:05,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:05,328 INFO L93 Difference]: Finished difference Result 182 states and 188 transitions. [2022-12-14 16:11:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 16:11:05,329 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 16:11:05,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:05,329 INFO L225 Difference]: With dead ends: 182 [2022-12-14 16:11:05,329 INFO L226 Difference]: Without dead ends: 179 [2022-12-14 16:11:05,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:11:05,330 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 545 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:05,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 166 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:11:05,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-12-14 16:11:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-12-14 16:11:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 99 states have (on average 1.8686868686868687) internal successors, (185), 178 states have internal predecessors, (185), 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 16:11:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 185 transitions. [2022-12-14 16:11:05,338 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 185 transitions. Word has length 5 [2022-12-14 16:11:05,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:05,339 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 185 transitions. [2022-12-14 16:11:05,339 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 16:11:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 185 transitions. [2022-12-14 16:11:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:11:05,339 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:05,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:05,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:11:05,339 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:05,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:05,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1144275608, now seen corresponding path program 1 times [2022-12-14 16:11:05,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:05,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755955221] [2022-12-14 16:11:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:05,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:05,391 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 16:11:05,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:05,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755955221] [2022-12-14 16:11:05,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755955221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:05,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:05,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:11:05,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995424577] [2022-12-14 16:11:05,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:05,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:11:05,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:05,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:11:05,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:11:05,394 INFO L87 Difference]: Start difference. First operand 179 states and 185 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:05,651 INFO L93 Difference]: Finished difference Result 350 states and 362 transitions. [2022-12-14 16:11:05,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:11:05,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 16:11:05,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:05,653 INFO L225 Difference]: With dead ends: 350 [2022-12-14 16:11:05,654 INFO L226 Difference]: Without dead ends: 278 [2022-12-14 16:11:05,655 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 16:11:05,656 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 95 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:05,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 128 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:05,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-12-14 16:11:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 263. [2022-12-14 16:11:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 183 states have (on average 1.5027322404371584) internal successors, (275), 262 states have internal predecessors, (275), 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 16:11:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 275 transitions. [2022-12-14 16:11:05,666 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 275 transitions. Word has length 8 [2022-12-14 16:11:05,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:05,666 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 275 transitions. [2022-12-14 16:11:05,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 275 transitions. [2022-12-14 16:11:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:11:05,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:05,667 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 16:11:05,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:11:05,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:05,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:05,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2014590800, now seen corresponding path program 1 times [2022-12-14 16:11:05,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:05,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817295783] [2022-12-14 16:11:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:05,729 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 16:11:05,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:05,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817295783] [2022-12-14 16:11:05,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817295783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:05,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:05,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:05,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674351331] [2022-12-14 16:11:05,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:05,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:05,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:05,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:05,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:05,732 INFO L87 Difference]: Start difference. First operand 263 states and 275 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 16:11:05,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:05,872 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2022-12-14 16:11:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:11:05,872 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 16:11:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:05,873 INFO L225 Difference]: With dead ends: 268 [2022-12-14 16:11:05,873 INFO L226 Difference]: Without dead ends: 266 [2022-12-14 16:11:05,873 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 16:11:05,874 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 3 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:05,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 376 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:11:05,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-12-14 16:11:05,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-12-14 16:11:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 186 states have (on average 1.4946236559139785) internal successors, (278), 265 states have internal predecessors, (278), 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 16:11:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 278 transitions. [2022-12-14 16:11:05,883 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 278 transitions. Word has length 17 [2022-12-14 16:11:05,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:05,883 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 278 transitions. [2022-12-14 16:11:05,883 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 16:11:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 278 transitions. [2022-12-14 16:11:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:11:05,884 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:05,884 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 16:11:05,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:11:05,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:05,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:05,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1198167742, now seen corresponding path program 1 times [2022-12-14 16:11:05,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:05,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221096485] [2022-12-14 16:11:05,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:06,027 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 16:11:06,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:06,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221096485] [2022-12-14 16:11:06,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221096485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:06,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:06,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:11:06,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806182306] [2022-12-14 16:11:06,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:06,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:06,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:06,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:06,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:06,029 INFO L87 Difference]: Start difference. First operand 266 states and 278 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 16:11:06,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:06,253 INFO L93 Difference]: Finished difference Result 449 states and 469 transitions. [2022-12-14 16:11:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:11:06,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 16:11:06,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:06,255 INFO L225 Difference]: With dead ends: 449 [2022-12-14 16:11:06,255 INFO L226 Difference]: Without dead ends: 270 [2022-12-14 16:11:06,256 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 16:11:06,256 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 243 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:06,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 162 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:06,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-12-14 16:11:06,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2022-12-14 16:11:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 186 states have (on average 1.489247311827957) internal successors, (277), 265 states have internal predecessors, (277), 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 16:11:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 277 transitions. [2022-12-14 16:11:06,267 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 277 transitions. Word has length 20 [2022-12-14 16:11:06,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:06,267 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 277 transitions. [2022-12-14 16:11:06,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 16:11:06,268 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 277 transitions. [2022-12-14 16:11:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:11:06,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:06,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:06,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:11:06,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:06,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:06,269 INFO L85 PathProgramCache]: Analyzing trace with hash -94371960, now seen corresponding path program 1 times [2022-12-14 16:11:06,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:06,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680822266] [2022-12-14 16:11:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:06,331 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 16:11:06,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:06,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680822266] [2022-12-14 16:11:06,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680822266] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:06,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:06,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760742759] [2022-12-14 16:11:06,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:06,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:06,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:06,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:06,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:06,338 INFO L87 Difference]: Start difference. First operand 266 states and 277 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:06,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:06,515 INFO L93 Difference]: Finished difference Result 280 states and 291 transitions. [2022-12-14 16:11:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:11:06,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 16:11:06,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:06,517 INFO L225 Difference]: With dead ends: 280 [2022-12-14 16:11:06,517 INFO L226 Difference]: Without dead ends: 278 [2022-12-14 16:11:06,517 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 16:11:06,518 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 74 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:06,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 228 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-12-14 16:11:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 268. [2022-12-14 16:11:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 188 states have (on average 1.4840425531914894) internal successors, (279), 267 states have internal predecessors, (279), 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 16:11:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 279 transitions. [2022-12-14 16:11:06,527 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 279 transitions. Word has length 28 [2022-12-14 16:11:06,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:06,527 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 279 transitions. [2022-12-14 16:11:06,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 279 transitions. [2022-12-14 16:11:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 16:11:06,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:06,528 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:06,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:11:06,529 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:06,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:06,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1266998548, now seen corresponding path program 1 times [2022-12-14 16:11:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:06,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094890589] [2022-12-14 16:11:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:06,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:11:06,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:06,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094890589] [2022-12-14 16:11:06,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094890589] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:06,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874197076] [2022-12-14 16:11:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:06,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:06,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:06,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:11:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:06,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:06,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:11:06,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:11:06,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874197076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:06,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 16:11:06,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 16:11:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800414960] [2022-12-14 16:11:06,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:06,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:11:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:11:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:11:06,737 INFO L87 Difference]: Start difference. First operand 268 states and 279 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 16:11:07,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:07,004 INFO L93 Difference]: Finished difference Result 278 states and 289 transitions. [2022-12-14 16:11:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:11:07,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2022-12-14 16:11:07,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:07,006 INFO L225 Difference]: With dead ends: 278 [2022-12-14 16:11:07,006 INFO L226 Difference]: Without dead ends: 265 [2022-12-14 16:11:07,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:11:07,008 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 114 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:07,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 198 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:07,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-12-14 16:11:07,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 255. [2022-12-14 16:11:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 188 states have (on average 1.4148936170212767) internal successors, (266), 254 states have internal predecessors, (266), 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 16:11:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 266 transitions. [2022-12-14 16:11:07,014 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 266 transitions. Word has length 34 [2022-12-14 16:11:07,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:07,015 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 266 transitions. [2022-12-14 16:11:07,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 16:11:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 266 transitions. [2022-12-14 16:11:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 16:11:07,015 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:07,015 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:07,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:11:07,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:07,216 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:07,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:07,216 INFO L85 PathProgramCache]: Analyzing trace with hash -622249258, now seen corresponding path program 1 times [2022-12-14 16:11:07,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:07,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920708361] [2022-12-14 16:11:07,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:07,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:11:07,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:07,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920708361] [2022-12-14 16:11:07,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920708361] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:07,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302993587] [2022-12-14 16:11:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:07,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:07,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:07,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:11:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:07,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:07,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:11:07,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:11:07,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302993587] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:07,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1795604690] [2022-12-14 16:11:07,463 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-12-14 16:11:07,463 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:07,466 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:07,471 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:07,472 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:07,591 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:07,592 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 16:11:07,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:07,607 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 16:11:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:07,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:07,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:07,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:07,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:07,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:08,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-12-14 16:11:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 143 [2022-12-14 16:11:08,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,390 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:11:08,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 53 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 661 treesize of output 635 [2022-12-14 16:11:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:08,780 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:11:08,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 506 treesize of output 489 [2022-12-14 16:11:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:09,070 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:11:09,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 64 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 40 case distinctions, treesize of input 527 treesize of output 504 [2022-12-14 16:11:09,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:09,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:09,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:09,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:09,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:10,104 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:11:10,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 411 [2022-12-14 16:11:10,284 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:12,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1795604690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:12,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:11:12,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4, 4] total 17 [2022-12-14 16:11:12,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282333211] [2022-12-14 16:11:12,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:12,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:11:12,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:12,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:11:12,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-12-14 16:11:12,165 INFO L87 Difference]: Start difference. First operand 255 states and 266 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:13,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:13,778 INFO L93 Difference]: Finished difference Result 488 states and 522 transitions. [2022-12-14 16:11:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:11:13,779 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-14 16:11:13,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:13,780 INFO L225 Difference]: With dead ends: 488 [2022-12-14 16:11:13,780 INFO L226 Difference]: Without dead ends: 244 [2022-12-14 16:11:13,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 66 SyntacticMatches, 25 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2022-12-14 16:11:13,781 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 267 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:13,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 88 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:11:13,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-12-14 16:11:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 187. [2022-12-14 16:11:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 141 states have (on average 1.3617021276595744) internal successors, (192), 186 states have internal predecessors, (192), 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 16:11:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 192 transitions. [2022-12-14 16:11:13,787 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 192 transitions. Word has length 35 [2022-12-14 16:11:13,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:13,787 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 192 transitions. [2022-12-14 16:11:13,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2022-12-14 16:11:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 16:11:13,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:13,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:13,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 16:11:13,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:13,990 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:13,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:13,991 INFO L85 PathProgramCache]: Analyzing trace with hash -662017130, now seen corresponding path program 1 times [2022-12-14 16:11:13,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:13,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070513409] [2022-12-14 16:11:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:11:14,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:14,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070513409] [2022-12-14 16:11:14,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070513409] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:14,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357322786] [2022-12-14 16:11:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:14,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:14,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:14,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 16:11:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:14,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:14,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:11:14,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:11:14,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357322786] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1277002079] [2022-12-14 16:11:14,395 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-12-14 16:11:14,395 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:14,395 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:14,395 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:14,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:14,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,448 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:14,448 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 16:11:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,458 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 16:11:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 16:11:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2022-12-14 16:11:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,014 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:15,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-12-14 16:11:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,345 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:15,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-12-14 16:11:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:15,617 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:15,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-12-14 16:11:15,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:15,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:15,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:16,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:16,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:16,851 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:11:16,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 411 [2022-12-14 16:11:16,996 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:19,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1277002079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:19,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:11:19,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 21 [2022-12-14 16:11:19,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570562356] [2022-12-14 16:11:19,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:19,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 16:11:19,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:19,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 16:11:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2022-12-14 16:11:19,030 INFO L87 Difference]: Start difference. First operand 187 states and 192 transitions. Second operand has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 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 16:11:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:23,230 INFO L93 Difference]: Finished difference Result 308 states and 317 transitions. [2022-12-14 16:11:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 16:11:23,230 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 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) Word has length 46 [2022-12-14 16:11:23,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:23,231 INFO L225 Difference]: With dead ends: 308 [2022-12-14 16:11:23,231 INFO L226 Difference]: Without dead ends: 230 [2022-12-14 16:11:23,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 91 SyntacticMatches, 32 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=335, Invalid=997, Unknown=0, NotChecked=0, Total=1332 [2022-12-14 16:11:23,232 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 531 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:23,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 101 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:11:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-12-14 16:11:23,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 198. [2022-12-14 16:11:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 197 states have internal predecessors, (204), 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 16:11:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 204 transitions. [2022-12-14 16:11:23,240 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 204 transitions. Word has length 46 [2022-12-14 16:11:23,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:23,240 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 204 transitions. [2022-12-14 16:11:23,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 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 16:11:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 204 transitions. [2022-12-14 16:11:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 16:11:23,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:23,241 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:23,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 16:11:23,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:23,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:23,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash 952305755, now seen corresponding path program 1 times [2022-12-14 16:11:23,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:23,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671794347] [2022-12-14 16:11:23,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:23,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:23,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:23,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671794347] [2022-12-14 16:11:23,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671794347] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936822691] [2022-12-14 16:11:23,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:23,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:23,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:23,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:23,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 16:11:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:23,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:23,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:23,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:23,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936822691] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:23,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [390025664] [2022-12-14 16:11:23,787 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-12-14 16:11:23,787 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:23,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:23,787 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:23,788 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:23,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:23,842 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:23,842 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 16:11:23,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:23,855 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 16:11:23,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:23,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:23,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 16:11:24,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2022-12-14 16:11:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,342 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:24,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-12-14 16:11:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:24,665 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:24,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-12-14 16:11:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:25,050 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:25,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-12-14 16:11:25,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:25,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:25,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:25,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:26,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:26,388 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:11:26,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 400 treesize of output 411 [2022-12-14 16:11:26,681 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:29,347 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6314#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post14#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 16:11:29,347 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 16:11:29,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:11:29,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-14 16:11:29,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685065340] [2022-12-14 16:11:29,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 16:11:29,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:11:29,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:29,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:11:29,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2022-12-14 16:11:29,349 INFO L87 Difference]: Start difference. First operand 198 states and 204 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 16:11:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:29,733 INFO L93 Difference]: Finished difference Result 242 states and 249 transitions. [2022-12-14 16:11:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 16:11:29,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 47 [2022-12-14 16:11:29,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:29,734 INFO L225 Difference]: With dead ends: 242 [2022-12-14 16:11:29,734 INFO L226 Difference]: Without dead ends: 222 [2022-12-14 16:11:29,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 94 SyntacticMatches, 30 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 16:11:29,735 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 600 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:29,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 98 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 16:11:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-12-14 16:11:29,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 190. [2022-12-14 16:11:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 144 states have (on average 1.3472222222222223) internal successors, (194), 189 states have internal predecessors, (194), 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 16:11:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 194 transitions. [2022-12-14 16:11:29,742 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 194 transitions. Word has length 47 [2022-12-14 16:11:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:29,742 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 194 transitions. [2022-12-14 16:11:29,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 16:11:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 194 transitions. [2022-12-14 16:11:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 16:11:29,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:29,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:29,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 16:11:29,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:29,945 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:29,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:29,946 INFO L85 PathProgramCache]: Analyzing trace with hash 750237041, now seen corresponding path program 1 times [2022-12-14 16:11:29,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:29,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732756030] [2022-12-14 16:11:29,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:29,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:30,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:30,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732756030] [2022-12-14 16:11:30,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732756030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:30,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:30,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296971637] [2022-12-14 16:11:30,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:30,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:30,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:30,044 INFO L87 Difference]: Start difference. First operand 190 states and 194 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 16:11:30,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:30,182 INFO L93 Difference]: Finished difference Result 221 states and 225 transitions. [2022-12-14 16:11:30,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:11:30,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 58 [2022-12-14 16:11:30,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:30,183 INFO L225 Difference]: With dead ends: 221 [2022-12-14 16:11:30,183 INFO L226 Difference]: Without dead ends: 219 [2022-12-14 16:11:30,183 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 16:11:30,184 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 55 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:30,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 153 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:11:30,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-12-14 16:11:30,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 192. [2022-12-14 16:11:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 191 states have internal predecessors, (196), 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 16:11:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 196 transitions. [2022-12-14 16:11:30,194 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 196 transitions. Word has length 58 [2022-12-14 16:11:30,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:30,194 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 196 transitions. [2022-12-14 16:11:30,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 16:11:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 196 transitions. [2022-12-14 16:11:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 16:11:30,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:30,194 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:30,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 16:11:30,195 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:30,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:30,195 INFO L85 PathProgramCache]: Analyzing trace with hash -49937771, now seen corresponding path program 1 times [2022-12-14 16:11:30,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:30,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138482264] [2022-12-14 16:11:30,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:30,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:30,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:30,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138482264] [2022-12-14 16:11:30,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138482264] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:30,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852244547] [2022-12-14 16:11:30,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:30,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:30,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:30,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:30,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 16:11:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:30,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:30,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:30,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:11:30,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852244547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:30,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 16:11:30,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 16:11:30,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650946020] [2022-12-14 16:11:30,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:30,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:11:30,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:30,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:11:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:11:30,371 INFO L87 Difference]: Start difference. First operand 192 states and 196 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 16:11:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:30,543 INFO L93 Difference]: Finished difference Result 219 states and 223 transitions. [2022-12-14 16:11:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:11:30,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 64 [2022-12-14 16:11:30,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:30,545 INFO L225 Difference]: With dead ends: 219 [2022-12-14 16:11:30,545 INFO L226 Difference]: Without dead ends: 208 [2022-12-14 16:11:30,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:11:30,546 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 100 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:30,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 122 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:30,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-12-14 16:11:30,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 181. [2022-12-14 16:11:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 180 states have internal predecessors, (185), 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 16:11:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2022-12-14 16:11:30,553 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 64 [2022-12-14 16:11:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:30,553 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2022-12-14 16:11:30,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 16:11:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2022-12-14 16:11:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 16:11:30,554 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:30,554 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:30,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 16:11:30,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 16:11:30,755 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:30,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:30,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1548070759, now seen corresponding path program 1 times [2022-12-14 16:11:30,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:30,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269718892] [2022-12-14 16:11:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:30,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:30,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269718892] [2022-12-14 16:11:30,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269718892] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:30,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687115531] [2022-12-14 16:11:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:30,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:30,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:30,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:30,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 16:11:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:30,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:30,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:30,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 16:11:30,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687115531] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:30,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [535172833] [2022-12-14 16:11:30,996 INFO L159 IcfgInterpreter]: Started Sifa with 57 locations of interest [2022-12-14 16:11:30,996 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:30,997 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:30,997 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:30,997 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,065 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:31,065 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 16:11:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,076 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 16:11:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:31,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 16:11:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2022-12-14 16:11:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,627 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:31,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-12-14 16:11:31,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:31,969 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:31,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-12-14 16:11:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:32,240 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:32,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-12-14 16:11:32,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:32,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:32,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:32,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:32,921 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-12-14 16:11:32,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-12-14 16:11:33,145 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:33,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-12-14 16:11:33,351 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:33,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-12-14 16:11:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-12-14 16:11:33,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:33,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:33,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:33,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:33,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:33,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:33,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:33,994 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:11:33,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-12-14 16:11:34,150 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:36,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [535172833] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:36,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:11:36,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4, 4, 4] total 20 [2022-12-14 16:11:36,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032731075] [2022-12-14 16:11:36,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:36,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 16:11:36,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:36,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 16:11:36,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2022-12-14 16:11:36,755 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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 16:11:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:39,461 INFO L93 Difference]: Finished difference Result 185 states and 189 transitions. [2022-12-14 16:11:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 16:11:39,462 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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 65 [2022-12-14 16:11:39,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:39,462 INFO L225 Difference]: With dead ends: 185 [2022-12-14 16:11:39,462 INFO L226 Difference]: Without dead ends: 174 [2022-12-14 16:11:39,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 125 SyntacticMatches, 53 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2022-12-14 16:11:39,463 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 347 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:39,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 67 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:11:39,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-12-14 16:11:39,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 147. [2022-12-14 16:11:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 146 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2022-12-14 16:11:39,469 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 65 [2022-12-14 16:11:39,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:39,469 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2022-12-14 16:11:39,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 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 16:11:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2022-12-14 16:11:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 16:11:39,470 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:39,470 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:39,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 16:11:39,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 16:11:39,671 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:39,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:39,672 INFO L85 PathProgramCache]: Analyzing trace with hash 233306687, now seen corresponding path program 1 times [2022-12-14 16:11:39,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:39,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853956016] [2022-12-14 16:11:39,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:39,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:11:39,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:39,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853956016] [2022-12-14 16:11:39,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853956016] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:39,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:11:39,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:11:39,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650198147] [2022-12-14 16:11:39,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:39,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:11:39,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:39,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:11:39,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:11:39,745 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:39,883 INFO L93 Difference]: Finished difference Result 197 states and 201 transitions. [2022-12-14 16:11:39,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:11:39,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-12-14 16:11:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:39,884 INFO L225 Difference]: With dead ends: 197 [2022-12-14 16:11:39,884 INFO L226 Difference]: Without dead ends: 195 [2022-12-14 16:11:39,884 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 16:11:39,885 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 53 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:39,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 107 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:11:39,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-12-14 16:11:39,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 149. [2022-12-14 16:11:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 125 states have (on average 1.224) internal successors, (153), 148 states have internal predecessors, (153), 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 16:11:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2022-12-14 16:11:39,891 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 88 [2022-12-14 16:11:39,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:39,892 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2022-12-14 16:11:39,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2022-12-14 16:11:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 16:11:39,892 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:39,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:39,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 16:11:39,893 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:39,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2033840803, now seen corresponding path program 1 times [2022-12-14 16:11:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:39,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630178067] [2022-12-14 16:11:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:11:39,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:39,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630178067] [2022-12-14 16:11:39,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630178067] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:39,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313313518] [2022-12-14 16:11:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:39,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:39,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:39,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 16:11:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:40,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:40,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:11:40,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:11:40,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313313518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:40,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 16:11:40,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 16:11:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747182601] [2022-12-14 16:11:40,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:40,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:11:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:40,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:11:40,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:11:40,078 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 16:11:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:40,250 INFO L93 Difference]: Finished difference Result 195 states and 199 transitions. [2022-12-14 16:11:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:11:40,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 94 [2022-12-14 16:11:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:40,251 INFO L225 Difference]: With dead ends: 195 [2022-12-14 16:11:40,251 INFO L226 Difference]: Without dead ends: 184 [2022-12-14 16:11:40,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:11:40,251 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 86 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:40,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 77 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:11:40,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-12-14 16:11:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 138. [2022-12-14 16:11:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 125 states have (on average 1.136) internal successors, (142), 137 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 142 transitions. [2022-12-14 16:11:40,262 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 142 transitions. Word has length 94 [2022-12-14 16:11:40,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:40,262 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 142 transitions. [2022-12-14 16:11:40,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 16:11:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2022-12-14 16:11:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 16:11:40,263 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:40,263 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:40,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 16:11:40,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:40,464 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:40,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1375444319, now seen corresponding path program 1 times [2022-12-14 16:11:40,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:40,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850353361] [2022-12-14 16:11:40,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:40,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:11:40,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:40,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850353361] [2022-12-14 16:11:40,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850353361] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:40,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594934654] [2022-12-14 16:11:40,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:40,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:40,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:40,540 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:40,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 16:11:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:40,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:40,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:11:40,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:11:40,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594934654] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:40,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [266939195] [2022-12-14 16:11:40,668 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-12-14 16:11:40,668 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:40,668 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:40,668 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:40,669 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:40,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:40,762 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:40,762 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 16:11:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:40,772 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 16:11:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:40,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:40,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:40,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:40,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-12-14 16:11:41,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 143 [2022-12-14 16:11:41,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,250 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:11:41,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 53 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 661 treesize of output 635 [2022-12-14 16:11:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,597 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:11:41,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 506 treesize of output 489 [2022-12-14 16:11:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:41,882 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:11:41,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 64 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 40 case distinctions, treesize of input 527 treesize of output 504 [2022-12-14 16:11:42,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:42,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:42,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:42,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:42,586 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-12-14 16:11:42,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-12-14 16:11:42,811 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:42,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-12-14 16:11:43,037 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:43,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-12-14 16:11:43,290 INFO L321 Elim1Store]: treesize reduction 480, result has 12.9 percent of original size [2022-12-14 16:11:43,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 352 treesize of output 381 [2022-12-14 16:11:43,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:43,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:43,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:43,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:43,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:43,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:43,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:43,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:43,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:43,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:43,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:43,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:43,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:43,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:44,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:44,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:44,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:44,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:44,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:44,525 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:11:44,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-12-14 16:11:44,688 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:48,093 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10214#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 715827883) (= |#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 16:11:48,093 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 16:11:48,093 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:11:48,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-12-14 16:11:48,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568140299] [2022-12-14 16:11:48,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 16:11:48,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:11:48,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:48,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:11:48,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2022-12-14 16:11:48,094 INFO L87 Difference]: Start difference. First operand 138 states and 142 transitions. Second operand has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:48,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:48,286 INFO L93 Difference]: Finished difference Result 220 states and 236 transitions. [2022-12-14 16:11:48,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 16:11:48,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-12-14 16:11:48,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:48,287 INFO L225 Difference]: With dead ends: 220 [2022-12-14 16:11:48,287 INFO L226 Difference]: Without dead ends: 209 [2022-12-14 16:11:48,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 187 SyntacticMatches, 78 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1375 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2022-12-14 16:11:48,288 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 194 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:48,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 109 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:48,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-12-14 16:11:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 161. [2022-12-14 16:11:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 157 states have (on average 1.0636942675159236) internal successors, (167), 160 states have internal predecessors, (167), 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 16:11:48,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 167 transitions. [2022-12-14 16:11:48,295 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 167 transitions. Word has length 95 [2022-12-14 16:11:48,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:48,296 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 167 transitions. [2022-12-14 16:11:48,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 167 transitions. [2022-12-14 16:11:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 16:11:48,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:48,296 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:48,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 16:11:48,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 16:11:48,497 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:48,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash -2086345795, now seen corresponding path program 1 times [2022-12-14 16:11:48,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:48,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56777377] [2022-12-14 16:11:48,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:48,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 16:11:48,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:48,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56777377] [2022-12-14 16:11:48,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56777377] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:48,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347823463] [2022-12-14 16:11:48,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:48,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:48,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 16:11:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:48,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:11:48,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 16:11:48,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:11:48,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347823463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:11:48,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 16:11:48,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 16:11:48,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592128924] [2022-12-14 16:11:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:11:48,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:11:48,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:48,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:11:48,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 16:11:48,666 INFO L87 Difference]: Start difference. First operand 161 states and 167 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 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 16:11:48,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:48,820 INFO L93 Difference]: Finished difference Result 207 states and 213 transitions. [2022-12-14 16:11:48,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:11:48,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 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 98 [2022-12-14 16:11:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:48,821 INFO L225 Difference]: With dead ends: 207 [2022-12-14 16:11:48,822 INFO L226 Difference]: Without dead ends: 206 [2022-12-14 16:11:48,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-14 16:11:48,822 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 82 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:48,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 98 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:11:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-12-14 16:11:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 160. [2022-12-14 16:11:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 157 states have (on average 1.0509554140127388) internal successors, (165), 159 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2022-12-14 16:11:48,829 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 98 [2022-12-14 16:11:48,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:48,829 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2022-12-14 16:11:48,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 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 16:11:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2022-12-14 16:11:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 16:11:48,830 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:48,830 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:48,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 16:11:49,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 16:11:49,031 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:49,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1686999524, now seen corresponding path program 1 times [2022-12-14 16:11:49,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:49,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387854603] [2022-12-14 16:11:49,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 16:11:49,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:49,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387854603] [2022-12-14 16:11:49,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387854603] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:49,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108131402] [2022-12-14 16:11:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:49,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:49,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:49,134 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:49,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 16:11:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:49,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 16:11:49,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 16:11:49,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 16:11:49,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108131402] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:49,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [417344841] [2022-12-14 16:11:49,268 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-12-14 16:11:49,268 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:49,268 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:49,268 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:49,268 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,374 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 16:11:49,374 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 16:11:49,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,395 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:49,396 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 16:11:49,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:49,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 16:11:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2022-12-14 16:11:49,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:49,878 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:49,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-12-14 16:11:50,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,196 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:50,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-12-14 16:11:50,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:50,461 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:50,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-12-14 16:11:50,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:50,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:50,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:50,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:51,108 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-12-14 16:11:51,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-12-14 16:11:51,349 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:51,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-12-14 16:11:51,581 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:51,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-12-14 16:11:51,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:51,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-12-14 16:11:51,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:51,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:51,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:51,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:51,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:51,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:51,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:52,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,214 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 16 treesize of output 12 [2022-12-14 16:11:52,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:52,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:52,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:52,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:52,949 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:11:52,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-12-14 16:11:53,107 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:56,685 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11949#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post14#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 16:11:56,685 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 16:11:56,685 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:11:56,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-12-14 16:11:56,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065658788] [2022-12-14 16:11:56,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 16:11:56,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 16:11:56,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:11:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 16:11:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2022-12-14 16:11:56,686 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:11:56,950 INFO L93 Difference]: Finished difference Result 219 states and 227 transitions. [2022-12-14 16:11:56,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 16:11:56,950 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-12-14 16:11:56,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:11:56,951 INFO L225 Difference]: With dead ends: 219 [2022-12-14 16:11:56,951 INFO L226 Difference]: Without dead ends: 218 [2022-12-14 16:11:56,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 205 SyntacticMatches, 76 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=245, Invalid=1161, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 16:11:56,952 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 361 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:11:56,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 174 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:11:56,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-12-14 16:11:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 172. [2022-12-14 16:11:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 169 states have (on average 1.047337278106509) internal successors, (177), 171 states have internal predecessors, (177), 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 16:11:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 177 transitions. [2022-12-14 16:11:56,960 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 177 transitions. Word has length 102 [2022-12-14 16:11:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:11:56,960 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 177 transitions. [2022-12-14 16:11:56,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:11:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2022-12-14 16:11:56,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 16:11:56,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:11:56,961 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:11:56,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 16:11:57,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 16:11:57,163 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:11:57,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:11:57,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1775298588, now seen corresponding path program 2 times [2022-12-14 16:11:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:11:57,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950021807] [2022-12-14 16:11:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:11:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:11:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:11:57,567 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-14 16:11:57,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:11:57,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950021807] [2022-12-14 16:11:57,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950021807] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:11:57,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614310475] [2022-12-14 16:11:57,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 16:11:57,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:11:57,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:11:57,569 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:11:57,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 16:11:57,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 16:11:57,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 16:11:57,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:11:57,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:11:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 16:11:57,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:11:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 16:11:57,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614310475] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:11:57,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [756647021] [2022-12-14 16:11:57,830 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-12-14 16:11:57,830 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:11:57,831 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:11:57,831 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:11:57,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:11:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:57,939 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 16:11:57,939 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 16:11:57,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:57,964 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:11:57,964 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 16:11:58,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:11:58,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:11:58,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-12-14 16:11:58,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2022-12-14 16:11:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:58,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,389 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:58,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 654 treesize of output 628 [2022-12-14 16:11:58,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,703 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:58,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 522 treesize of output 505 [2022-12-14 16:11:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:11:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:58,954 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-14 16:11:58,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 41 case distinctions, treesize of input 543 treesize of output 520 [2022-12-14 16:11:59,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:59,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:11:59,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:11:59,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:11:59,623 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-12-14 16:11:59,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-12-14 16:11:59,883 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:11:59,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-12-14 16:12:00,113 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:12:00,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 428 treesize of output 448 [2022-12-14 16:12:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:00,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-12-14 16:12:00,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:00,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:00,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:00,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:00,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:00,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:00,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:00,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:00,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:00,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:00,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:01,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:01,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:01,425 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:12:01,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-12-14 16:12:01,596 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:12:05,891 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13088#(and (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post14#1|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-12-14 16:12:05,891 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 16:12:05,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:12:05,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 2, 2] total 11 [2022-12-14 16:12:05,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151956669] [2022-12-14 16:12:05,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 16:12:05,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 16:12:05,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:12:05,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 16:12:05,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2022-12-14 16:12:05,893 INFO L87 Difference]: Start difference. First operand 172 states and 177 transitions. Second operand has 12 states, 11 states have (on average 17.363636363636363) internal successors, (191), 12 states have internal predecessors, (191), 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 16:12:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:12:06,354 INFO L93 Difference]: Finished difference Result 383 states and 394 transitions. [2022-12-14 16:12:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 16:12:06,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.363636363636363) internal successors, (191), 12 states have internal predecessors, (191), 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 114 [2022-12-14 16:12:06,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:12:06,357 INFO L225 Difference]: With dead ends: 383 [2022-12-14 16:12:06,357 INFO L226 Difference]: Without dead ends: 337 [2022-12-14 16:12:06,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 247 SyntacticMatches, 77 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=217, Invalid=1189, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 16:12:06,358 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 384 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:12:06,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 119 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 16:12:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-12-14 16:12:06,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 284. [2022-12-14 16:12:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 282 states have (on average 1.024822695035461) internal successors, (289), 283 states have internal predecessors, (289), 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 16:12:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 289 transitions. [2022-12-14 16:12:06,377 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 289 transitions. Word has length 114 [2022-12-14 16:12:06,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:12:06,377 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 289 transitions. [2022-12-14 16:12:06,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.363636363636363) internal successors, (191), 12 states have internal predecessors, (191), 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 16:12:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 289 transitions. [2022-12-14 16:12:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 16:12:06,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:12:06,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:12:06,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 16:12:06,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:12:06,579 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:12:06,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:12:06,580 INFO L85 PathProgramCache]: Analyzing trace with hash -188324636, now seen corresponding path program 1 times [2022-12-14 16:12:06,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:12:06,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780902756] [2022-12-14 16:12:06,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:12:06,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:12:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:12:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-14 16:12:06,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:12:06,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780902756] [2022-12-14 16:12:06,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780902756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:12:06,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:12:06,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:12:06,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112794206] [2022-12-14 16:12:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:12:06,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:12:06,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:12:06,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:12:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:12:06,656 INFO L87 Difference]: Start difference. First operand 284 states and 289 transitions. Second operand has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 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 16:12:06,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:12:06,739 INFO L93 Difference]: Finished difference Result 290 states and 295 transitions. [2022-12-14 16:12:06,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:12:06,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 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 141 [2022-12-14 16:12:06,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:12:06,741 INFO L225 Difference]: With dead ends: 290 [2022-12-14 16:12:06,741 INFO L226 Difference]: Without dead ends: 177 [2022-12-14 16:12:06,742 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 16:12:06,742 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 57 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:12:06,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 47 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:12:06,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-12-14 16:12:06,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 174. [2022-12-14 16:12:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.0173410404624277) internal successors, (176), 173 states have internal predecessors, (176), 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 16:12:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 176 transitions. [2022-12-14 16:12:06,755 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 176 transitions. Word has length 141 [2022-12-14 16:12:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:12:06,755 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 176 transitions. [2022-12-14 16:12:06,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.333333333333336) internal successors, (106), 4 states have internal predecessors, (106), 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 16:12:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 176 transitions. [2022-12-14 16:12:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-14 16:12:06,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:12:06,756 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:12:06,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 16:12:06,757 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-12-14 16:12:06,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:12:06,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2031639295, now seen corresponding path program 2 times [2022-12-14 16:12:06,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:12:06,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958261562] [2022-12-14 16:12:06,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:12:06,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:12:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:12:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-14 16:12:06,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:12:06,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958261562] [2022-12-14 16:12:06,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958261562] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:12:06,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716934422] [2022-12-14 16:12:06,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 16:12:06,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:12:06,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:12:06,959 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:12:06,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 16:12:07,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 16:12:07,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 16:12:07,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:12:07,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:12:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-14 16:12:07,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:12:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-12-14 16:12:07,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716934422] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:12:07,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1001549214] [2022-12-14 16:12:07,464 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-12-14 16:12:07,464 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:12:07,464 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:12:07,464 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:12:07,465 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:12:07,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:07,547 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-12-14 16:12:07,548 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 16:12:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:07,577 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 16:12:07,577 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 16:12:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:07,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-12-14 16:12:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:07,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:12:07,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:07,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-12-14 16:12:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-12-14 16:12:08,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 35 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 143 [2022-12-14 16:12:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,214 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:12:08,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 53 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 661 treesize of output 635 [2022-12-14 16:12:08,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,538 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:12:08,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 506 treesize of output 489 [2022-12-14 16:12:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:08,815 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-12-14 16:12:08,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 64 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 40 case distinctions, treesize of input 527 treesize of output 504 [2022-12-14 16:12:09,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:09,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:09,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:09,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:09,457 INFO L321 Elim1Store]: treesize reduction 316, result has 19.2 percent of original size [2022-12-14 16:12:09,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 370 [2022-12-14 16:12:09,701 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:12:09,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-12-14 16:12:09,921 INFO L321 Elim1Store]: treesize reduction 640, result has 10.0 percent of original size [2022-12-14 16:12:09,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 31 case distinctions, treesize of input 361 treesize of output 381 [2022-12-14 16:12:10,155 INFO L321 Elim1Store]: treesize reduction 480, result has 12.9 percent of original size [2022-12-14 16:12:10,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 352 treesize of output 381 [2022-12-14 16:12:10,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:10,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:10,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:10,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:10,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-12-14 16:12:10,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:10,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:10,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:10,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:10,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:10,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 16:12:11,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:11,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 16:12:11,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:11,278 INFO L321 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2022-12-14 16:12:11,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 43 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 463 [2022-12-14 16:12:11,447 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:12:18,306 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15372#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 715827883) (= |#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 16:12:18,306 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 16:12:18,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 16:12:18,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3, 2] total 13 [2022-12-14 16:12:18,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671476753] [2022-12-14 16:12:18,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 16:12:18,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 16:12:18,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:12:18,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 16:12:18,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2022-12-14 16:12:18,308 INFO L87 Difference]: Start difference. First operand 174 states and 176 transitions. Second operand has 13 states, 13 states have (on average 22.384615384615383) internal successors, (291), 13 states have internal predecessors, (291), 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 16:12:18,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:12:18,750 INFO L93 Difference]: Finished difference Result 331 states and 335 transitions. [2022-12-14 16:12:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 16:12:18,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 22.384615384615383) internal successors, (291), 13 states have internal predecessors, (291), 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 173 [2022-12-14 16:12:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:12:18,750 INFO L225 Difference]: With dead ends: 331 [2022-12-14 16:12:18,750 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 16:12:18,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 357 SyntacticMatches, 144 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2574 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 16:12:18,752 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 436 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 16:12:18,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 49 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 16:12:18,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 16:12:18,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 16:12:18,752 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 16:12:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 16:12:18,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2022-12-14 16:12:18,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:12:18,752 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 16:12:18,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.384615384615383) internal successors, (291), 13 states have internal predecessors, (291), 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 16:12:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 16:12:18,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:12:18,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 86 remaining) [2022-12-14 16:12:18,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 86 remaining) [2022-12-14 16:12:18,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 86 remaining) [2022-12-14 16:12:18,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 86 remaining) [2022-12-14 16:12:18,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 86 remaining) [2022-12-14 16:12:18,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 86 remaining) [2022-12-14 16:12:18,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 86 remaining) [2022-12-14 16:12:18,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 86 remaining) [2022-12-14 16:12:18,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 86 remaining) [2022-12-14 16:12:18,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 86 remaining) [2022-12-14 16:12:18,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 86 remaining) [2022-12-14 16:12:18,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 86 remaining) [2022-12-14 16:12:18,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 86 remaining) [2022-12-14 16:12:18,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 16:12:18,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-14 16:12:18,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 16:12:22,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52-2(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52-3(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52-4(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52-5(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L52-6(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,018 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L53-2(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L53-5(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L53-6(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L53-7(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L70-3(line 70) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point L70-4(line 70) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L895 garLoopResultBuilder]: At program point L70-5(lines 70 73) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (div ~CELLCOUNT~0 3)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse33 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse35 3))) (.cse2 (= (select .cse33 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse5 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse7 (= (select .cse33 6) 99)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 1 .cse35)) (.cse15 (= 114 (select .cse33 3))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse20 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse21 (= (select .cse33 5) 46)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse33 4) 51)) (.cse25 (= 8 (select |#length| 2))) (.cse26 (= (select .cse34 0) 48)) (.cse27 (= (select .cse33 0) 109)) (.cse28 (= (select .cse34 1) 0)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (< 0 |#StackHeapBarrier|)) (.cse31 (= 112 (select .cse33 2))) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~i~0#1| 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32)))) [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,020 INFO L899 garLoopResultBuilder]: For program point L39-2(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L39-3(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L39-4(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L39-5(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L39-6(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L39-7(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L56-2(lines 56 68) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L56-5(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point L56-6(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L895 garLoopResultBuilder]: At program point L56-7(lines 56 68) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1)) (.cse35 (div ~CELLCOUNT~0 3)) (.cse33 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse33 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse35 3))) (.cse2 (= (select .cse33 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse5 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse7 (= (select .cse33 6) 99)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 1 .cse35)) (.cse15 (= 114 (select .cse33 3))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse18 (= (select |#valid| 0) 0)) (.cse19 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse20 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse21 (= (select .cse33 5) 46)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= (select .cse33 4) 51)) (.cse25 (= 8 (select |#length| 2))) (.cse26 (= (select .cse34 0) 48)) (.cse27 (= (select .cse33 0) 109)) (.cse28 (= (select .cse34 1) 0)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (< 0 |#StackHeapBarrier|)) (.cse31 (= 112 (select .cse33 2))) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 .cse10 .cse11 .cse12 .cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse14 .cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse27 .cse28 .cse29 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse30 .cse31 .cse32)))) [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point L56-8(lines 56 68) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,022 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 65) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 58 65) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 54) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point L42-5(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point L42-6(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L895 garLoopResultBuilder]: At program point L42-7(lines 42 54) the Hoare annotation is: (let ((.cse38 (select |#memory_int| 1)) (.cse39 (div ~CELLCOUNT~0 3)) (.cse37 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse37 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse39 3))) (.cse2 (= (select .cse37 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse5 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse6 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse7 (= (select .cse37 6) 99)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (<= 1 .cse39)) (.cse16 (= 114 (select .cse37 3))) (.cse17 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse18 (= (select |#valid| 1) 1)) (.cse19 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse22 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse23 (= (select .cse37 5) 46)) (.cse24 (= (select |#valid| 2) 1)) (.cse25 (= |#NULL.offset| 0)) (.cse26 (= (select .cse37 4) 51)) (.cse27 (= 8 (select |#length| 2))) (.cse28 (= (select .cse38 0) 48)) (.cse29 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse30 (= (select .cse37 0) 109)) (.cse31 (= (select .cse38 1) 0)) (.cse32 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse33 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse34 (< 0 |#StackHeapBarrier|)) (.cse35 (= 112 (select .cse37 2))) (.cse36 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~i~0#1| 1) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 715827883) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)))) [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point L42-8(lines 42 54) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 51) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 51) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 76) the Hoare annotation is: true [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 40) no Hoare annotation was computed. [2022-12-14 16:12:22,025 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,026 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,026 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 40) the Hoare annotation is: (let ((.cse43 (select |#memory_int| 1)) (.cse10 (div ~CELLCOUNT~0 3)) (.cse42 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse42 1))) (.cse1 (= ~CELLCOUNT~0 (* .cse10 3))) (.cse2 (= (select .cse42 7) 0)) (.cse3 (= (select |#length| 3) 12)) (.cse4 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse5 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse6 (= (select .cse42 6) 99)) (.cse7 (= 2 (select |#length| 1))) (.cse8 (= (select |#valid| 3) 1)) (.cse34 (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|)) (.cse9 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse12 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse35 (<= |ULTIMATE.start_main_~MINVAL~0#1| 2)) (.cse13 (= 114 (select .cse42 3))) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse36 (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse37 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse38 (<= |ULTIMATE.start_main_~i~0#1| 715827883)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse39 (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse19 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse20 (= (select .cse42 5) 46)) (.cse21 (= (select |#valid| 2) 1)) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= (select .cse42 4) 51)) (.cse24 (= 8 (select |#length| 2))) (.cse25 (= (select .cse43 0) 48)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse27 (= (select .cse42 0) 109)) (.cse28 (= (select .cse43 1) 0)) (.cse40 (<= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse41 (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|)) (.cse31 (< 0 |#StackHeapBarrier|)) (.cse32 (= 112 (select .cse42 2))) (.cse33 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~i~0#1| 1) .cse8 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) .cse9 (<= |ULTIMATE.start_main_~i~0#1| (ite (and (not (= (mod ~CELLCOUNT~0 3) 0)) (< ~CELLCOUNT~0 0)) (+ .cse10 1) .cse10)) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse34 .cse9 .cse11 .cse12 .cse35 .cse13 .cse14 .cse15 .cse16 .cse36 .cse37 .cse38 .cse17 .cse18 .cse39 .cse20 (<= 2 .cse10) .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse40 .cse29 .cse30 .cse41 .cse31 .cse32 .cse33) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse34 .cse9 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 6) .cse11 .cse12 (<= 1 .cse10) .cse35 .cse13 .cse14 .cse15 .cse16 .cse36 .cse37 .cse38 .cse17 .cse18 .cse39 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse40 .cse29 .cse30 .cse41 .cse31 .cse32 .cse33)))) [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 40) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,027 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 30 37) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L64-2(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L64-3(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 74) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 74) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66-2(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66-3(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66-4(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66-5(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L66-6(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L67-2(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,029 INFO L899 garLoopResultBuilder]: For program point L67-3(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point L67-4(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point L67-5(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point L67-6(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point L67-7(line 67) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-14 16:12:22,030 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-12-14 16:12:22,032 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:12:22,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:12:22,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:12:22 BoogieIcfgContainer [2022-12-14 16:12:22,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:12:22,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:12:22,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:12:22,056 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:12:22,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:11:04" (3/4) ... [2022-12-14 16:12:22,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:12:22,067 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 16:12:22,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 16:12:22,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 16:12:22,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:12:22,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:12:22,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && unknown-#memory_int-unknown[2][5] == 46) && 2 <= CELLCOUNT / 3) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && 3 * i <= 6) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-12-14 16:12:22,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-12-14 16:12:22,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) [2022-12-14 16:12:22,100 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 16:12:22,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:12:22,100 INFO L158 Benchmark]: Toolchain (without parser) took 78257.46ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 131.0MB in the beginning and 226.2MB in the end (delta: -95.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,100 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:12:22,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.26ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 119.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.08ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,101 INFO L158 Benchmark]: Boogie Preprocessor took 29.56ms. Allocated memory is still 161.5MB. Free memory was 117.0MB in the beginning and 114.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,101 INFO L158 Benchmark]: RCFGBuilder took 519.93ms. Allocated memory is still 161.5MB. Free memory was 114.9MB in the beginning and 86.7MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,101 INFO L158 Benchmark]: TraceAbstraction took 77416.49ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 86.1MB in the beginning and 231.5MB in the end (delta: -145.4MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,101 INFO L158 Benchmark]: Witness Printer took 43.76ms. Allocated memory is still 283.1MB. Free memory was 231.5MB in the beginning and 226.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:12:22,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.26ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 119.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.08ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.56ms. Allocated memory is still 161.5MB. Free memory was 117.0MB in the beginning and 114.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.93ms. Allocated memory is still 161.5MB. Free memory was 114.9MB in the beginning and 86.7MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 77416.49ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 86.1MB in the beginning and 231.5MB in the end (delta: -145.4MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 43.76ms. Allocated memory is still 283.1MB. Free memory was 231.5MB in the beginning and 226.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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 - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: 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, 188 locations, 86 error locations. Started 1 CEGAR loops. OverallTime: 77.3s, OverallIterations: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4817 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4817 mSDsluCounter, 2839 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1414 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7759 IncrementalHoareTripleChecker+Invalid, 8213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 1425 mSDtfsCounter, 7759 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2477 GetRequests, 1665 SyntacticMatches, 515 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9495 ImplicationChecksByTransitivity, 34.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=19, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 529 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 37 NumberOfFragments, 1678 HoareAnnotationTreeSize, 5 FomulaSimplifications, 740 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 5479 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2303 NumberOfCodeBlocks, 2051 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2939 ConstructedInterpolants, 0 QuantifiedInterpolants, 9221 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1998 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 41 InterpolantComputations, 13 PerfectInterpolantSequences, 718/942 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: 8.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 140, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 497, TOOLS_POST_TIME: 7.8s, 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: 497, TOOLS_QUANTIFIERELIM_TIME: 7.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 660, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 30, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 5.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 7327, DAG_COMPRESSION_RETAINED_NODES: 463, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && 1 <= i) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && i <= (if !(CELLCOUNT % 3 == 0) && CELLCOUNT < 0 then CELLCOUNT / 3 + 1 else CELLCOUNT / 3)) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && unknown-#memory_int-unknown[2][5] == 46) && 2 <= CELLCOUNT / 3) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0)) || ((((((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 7 <= CCCELVOL3) && CELLCOUNT <= 2147483647) && 3 * i <= 6) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && MINVAL <= 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && CCCELVOL1 <= 1) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && CCCELVOL3 <= 7) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && 2 <= MINVAL) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 1 <= CCCELVOL1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && CELLCOUNT == CELLCOUNT / 3 * 3) && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 1 <= CELLCOUNT / 3) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && i <= 715827883) && \valid[0] == 0) && !(2 == volArray)) && !(volArray == 3)) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[2][4] == 51) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 16:12:22,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875fa023-eb68-457c-86c1-8a15f0fc88f3/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