./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/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_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/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_c945b1df-1edb-4248-ba91-fc2dbaf60055/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 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- 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 14:30:08,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:30:08,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:30:08,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:30:08,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:30:08,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:30:08,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:30:08,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:30:08,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:30:08,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:30:08,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:30:08,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:30:08,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:30:08,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:30:08,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:30:08,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:30:08,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:30:08,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:30:08,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:30:08,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:30:08,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:30:08,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:30:08,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:30:08,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:30:08,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:30:08,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:30:08,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:30:08,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:30:08,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:30:08,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:30:08,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:30:08,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:30:08,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:30:08,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:30:08,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:30:08,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:30:08,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:30:08,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:30:08,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:30:08,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:30:08,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:30:08,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 14:30:08,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:30:08,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:30:08,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:30:08,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:30:08,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:30:08,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:30:08,185 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:30:08,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:30:08,186 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:30:08,186 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:30:08,186 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:30:08,186 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:30:08,186 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:30:08,187 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:30:08,187 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:30:08,187 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:30:08,187 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:30:08,187 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:30:08,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:30:08,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:30:08,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:30:08,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:30:08,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:30:08,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:30:08,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:30:08,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:30:08,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:30:08,190 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:30:08,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:30:08,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:30:08,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:30:08,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:30:08,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:30:08,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:30:08,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:30:08,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:30:08,191 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:30:08,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:30:08,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:30:08,192 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:30:08,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:30:08,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:30:08,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:30:08,193 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_c945b1df-1edb-4248-ba91-fc2dbaf60055/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2022-12-14 14:30:08,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:30:08,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:30:08,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:30:08,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:30:08,429 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:30:08,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loop-invgen/large_const.i [2022-12-14 14:30:10,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:30:11,095 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:30:11,095 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/sv-benchmarks/c/loop-invgen/large_const.i [2022-12-14 14:30:11,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/data/61e432ad8/575223453c4145be8f28cdb80b87dc79/FLAG60788b520 [2022-12-14 14:30:11,496 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/data/61e432ad8/575223453c4145be8f28cdb80b87dc79 [2022-12-14 14:30:11,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:30:11,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:30:11,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:11,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:30:11,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:30:11,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc6754d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11, skipping insertion in model container [2022-12-14 14:30:11,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:30:11,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:30:11,648 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_c945b1df-1edb-4248-ba91-fc2dbaf60055/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-12-14 14:30:11,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:30:11,669 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:30:11,681 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_c945b1df-1edb-4248-ba91-fc2dbaf60055/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-12-14 14:30:11,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:30:11,699 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:30:11,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11 WrapperNode [2022-12-14 14:30:11,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:11,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:30:11,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:30:11,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:30:11,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,724 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-12-14 14:30:11,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:30:11,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:30:11,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:30:11,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:30:11,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:30:11,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:30:11,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:30:11,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:30:11,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (1/1) ... [2022-12-14 14:30:11,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:30:11,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:11,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:30:11,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:30:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:30:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:30:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:30:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:30:11,851 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:30:11,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:30:11,970 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:30:11,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:30:11,993 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 14:30:11,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:30:11 BoogieIcfgContainer [2022-12-14 14:30:11,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:30:11,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:30:11,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:30:11,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:30:11,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:30:11" (1/3) ... [2022-12-14 14:30:11,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5effaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:30:11, skipping insertion in model container [2022-12-14 14:30:11,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:11" (2/3) ... [2022-12-14 14:30:11,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5effaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:30:11, skipping insertion in model container [2022-12-14 14:30:11,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:30:11" (3/3) ... [2022-12-14 14:30:12,000 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const.i [2022-12-14 14:30:12,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:30:12,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-12-14 14:30:12,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:30:12,053 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;@4b904e03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:30:12,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-14 14:30:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 20 states have (on average 1.9) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 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 14:30:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 14:30:12,060 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 14:30:12,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,066 INFO L85 PathProgramCache]: Analyzing trace with hash 3552369, now seen corresponding path program 1 times [2022-12-14 14:30:12,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362766321] [2022-12-14 14:30:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,247 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 14:30:12,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362766321] [2022-12-14 14:30:12,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362766321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:30:12,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121934256] [2022-12-14 14:30:12,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,286 INFO L87 Difference]: Start difference. First operand has 33 states, 20 states have (on average 1.9) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 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 14:30:12,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,349 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2022-12-14 14:30:12,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:12,351 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 14:30:12,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,357 INFO L225 Difference]: With dead ends: 49 [2022-12-14 14:30:12,358 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 14:30:12,360 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 14:30:12,364 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 15 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 88 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 14:30:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2022-12-14 14:30:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 33 states have internal predecessors, (38), 0 states have call successors, (0), 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 14:30:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-12-14 14:30:12,390 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 4 [2022-12-14 14:30:12,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,390 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-12-14 14:30:12,391 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 14:30:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-14 14:30:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 14:30:12,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 14:30:12,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:30:12,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash 110200794, now seen corresponding path program 1 times [2022-12-14 14:30:12,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974880796] [2022-12-14 14:30:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,466 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 14:30:12,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974880796] [2022-12-14 14:30:12,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974880796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:30:12,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165390126] [2022-12-14 14:30:12,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,470 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) 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 14:30:12,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,498 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-12-14 14:30:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:12,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) 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 14:30:12,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,499 INFO L225 Difference]: With dead ends: 39 [2022-12-14 14:30:12,499 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 14:30:12,500 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 14:30:12,501 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 14:30:12,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-14 14:30:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.64) internal successors, (41), 36 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-12-14 14:30:12,508 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 5 [2022-12-14 14:30:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,508 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-12-14 14:30:12,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) 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 14:30:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-12-14 14:30:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 14:30:12,509 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:12,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:30:12,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1471216004, now seen corresponding path program 1 times [2022-12-14 14:30:12,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633069896] [2022-12-14 14:30:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,577 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 14:30:12,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633069896] [2022-12-14 14:30:12,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633069896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:30:12,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535520703] [2022-12-14 14:30:12,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,580 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 14:30:12,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,627 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2022-12-14 14:30:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:30:12,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-12-14 14:30:12,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,629 INFO L225 Difference]: With dead ends: 64 [2022-12-14 14:30:12,629 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 14:30:12,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,630 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 49 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 14:30:12,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 37. [2022-12-14 14:30:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.6) internal successors, (40), 36 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2022-12-14 14:30:12,635 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 7 [2022-12-14 14:30:12,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,635 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2022-12-14 14:30:12,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 14:30:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-12-14 14:30:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:30:12,636 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:12,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:30:12,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,637 INFO L85 PathProgramCache]: Analyzing trace with hash -666098632, now seen corresponding path program 1 times [2022-12-14 14:30:12,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503368945] [2022-12-14 14:30:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,696 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 14:30:12,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503368945] [2022-12-14 14:30:12,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503368945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:30:12,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131580764] [2022-12-14 14:30:12,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,698 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,735 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2022-12-14 14:30:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:12,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 14:30:12,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,735 INFO L225 Difference]: With dead ends: 52 [2022-12-14 14:30:12,736 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 14:30:12,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 14:30:12,736 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 57 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 35 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 14:30:12,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2022-12-14 14:30:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 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 14:30:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-12-14 14:30:12,740 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 8 [2022-12-14 14:30:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,740 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-12-14 14:30:12,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-12-14 14:30:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:30:12,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:12,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:30:12,741 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,742 INFO L85 PathProgramCache]: Analyzing trace with hash 825784940, now seen corresponding path program 1 times [2022-12-14 14:30:12,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994704437] [2022-12-14 14:30:12,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,779 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 14:30:12,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994704437] [2022-12-14 14:30:12,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994704437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:30:12,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551636083] [2022-12-14 14:30:12,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,781 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,814 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2022-12-14 14:30:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:12,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 14:30:12,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,815 INFO L225 Difference]: With dead ends: 51 [2022-12-14 14:30:12,815 INFO L226 Difference]: Without dead ends: 50 [2022-12-14 14:30:12,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 14:30:12,817 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 36 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-14 14:30:12,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-12-14 14:30:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 41 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2022-12-14 14:30:12,823 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 9 [2022-12-14 14:30:12,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,823 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2022-12-14 14:30:12,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-12-14 14:30:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:30:12,824 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:12,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:30:12,824 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,825 INFO L85 PathProgramCache]: Analyzing trace with hash 825785132, now seen corresponding path program 1 times [2022-12-14 14:30:12,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476105383] [2022-12-14 14:30:12,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,873 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 14:30:12,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476105383] [2022-12-14 14:30:12,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476105383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:30:12,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820325269] [2022-12-14 14:30:12,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,875 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,901 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2022-12-14 14:30:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:12,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 14:30:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,902 INFO L225 Difference]: With dead ends: 50 [2022-12-14 14:30:12,902 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 14:30:12,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 14:30:12,904 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 43 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 37 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 14:30:12,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-12-14 14:30:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 42 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2022-12-14 14:30:12,908 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 9 [2022-12-14 14:30:12,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,909 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2022-12-14 14:30:12,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-12-14 14:30:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:30:12,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:12,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:30:12,909 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash 825778950, now seen corresponding path program 1 times [2022-12-14 14:30:12,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296808641] [2022-12-14 14:30:12,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:12,949 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 14:30:12,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:12,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296808641] [2022-12-14 14:30:12,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296808641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:12,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:12,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:30:12,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611986086] [2022-12-14 14:30:12,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:12,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:12,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:12,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:12,954 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:12,980 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-12-14 14:30:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:12,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 14:30:12,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:12,982 INFO L225 Difference]: With dead ends: 49 [2022-12-14 14:30:12,982 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 14:30:12,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 14:30:12,983 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 49 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:12,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 37 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:12,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 14:30:12,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-12-14 14:30:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.53125) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 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 14:30:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-12-14 14:30:12,989 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 9 [2022-12-14 14:30:12,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:12,989 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-12-14 14:30:12,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-12-14 14:30:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:30:12,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:12,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:12,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:30:12,990 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:12,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:12,991 INFO L85 PathProgramCache]: Analyzing trace with hash -170470565, now seen corresponding path program 1 times [2022-12-14 14:30:12,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:12,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884754846] [2022-12-14 14:30:12,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:12,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:13,029 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 14:30:13,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:13,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884754846] [2022-12-14 14:30:13,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884754846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:13,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:13,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:30:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719669469] [2022-12-14 14:30:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:13,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:13,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:13,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:13,031 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 14:30:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:13,057 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2022-12-14 14:30:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-12-14 14:30:13,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:13,058 INFO L225 Difference]: With dead ends: 48 [2022-12-14 14:30:13,058 INFO L226 Difference]: Without dead ends: 47 [2022-12-14 14:30:13,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 14:30:13,059 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 45 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:13,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 38 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:13,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-14 14:30:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2022-12-14 14:30:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 44 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2022-12-14 14:30:13,064 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 10 [2022-12-14 14:30:13,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:13,064 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2022-12-14 14:30:13,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 14:30:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-12-14 14:30:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 14:30:13,065 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:13,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:13,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:30:13,066 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:13,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:13,066 INFO L85 PathProgramCache]: Analyzing trace with hash -170464607, now seen corresponding path program 1 times [2022-12-14 14:30:13,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:13,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809815461] [2022-12-14 14:30:13,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:13,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:13,101 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 14:30:13,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:13,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809815461] [2022-12-14 14:30:13,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809815461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:13,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:13,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:30:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116322808] [2022-12-14 14:30:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:13,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:30:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:13,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:30:13,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:30:13,102 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 14:30:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:13,128 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2022-12-14 14:30:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:30:13,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-12-14 14:30:13,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:13,129 INFO L225 Difference]: With dead ends: 47 [2022-12-14 14:30:13,129 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 14:30:13,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 14:30:13,130 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 43 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:13,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 39 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:13,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 14:30:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-14 14:30:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.5) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 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 14:30:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-12-14 14:30:13,135 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 10 [2022-12-14 14:30:13,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:13,135 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-12-14 14:30:13,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 14:30:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-12-14 14:30:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 14:30:13,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:13,136 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:13,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 14:30:13,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:13,137 INFO L85 PathProgramCache]: Analyzing trace with hash -995377336, now seen corresponding path program 1 times [2022-12-14 14:30:13,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:13,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857111837] [2022-12-14 14:30:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:13,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:13,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:13,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857111837] [2022-12-14 14:30:13,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857111837] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:13,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464529966] [2022-12-14 14:30:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:13,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:13,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:13,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:30:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:13,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:13,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:13,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:13,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464529966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:13,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:30:13,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2022-12-14 14:30:13,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576838879] [2022-12-14 14:30:13,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:13,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:30:13,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:13,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:30:13,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:30:13,293 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:13,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:13,314 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2022-12-14 14:30:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:30:13,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 14:30:13,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:13,315 INFO L225 Difference]: With dead ends: 59 [2022-12-14 14:30:13,315 INFO L226 Difference]: Without dead ends: 27 [2022-12-14 14:30:13,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 14:30:13,316 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:13,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 40 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:13,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-14 14:30:13,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-12-14 14:30:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-12-14 14:30:13,320 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 11 [2022-12-14 14:30:13,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:13,320 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-12-14 14:30:13,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-12-14 14:30:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:30:13,320 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:13,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:13,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:30:13,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 14:30:13,522 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash -757663675, now seen corresponding path program 1 times [2022-12-14 14:30:13,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:13,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961525086] [2022-12-14 14:30:13,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:13,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:13,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961525086] [2022-12-14 14:30:13,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961525086] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:13,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41223787] [2022-12-14 14:30:13,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:13,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:13,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:13,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:13,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:30:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:13,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:13,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:13,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:13,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41223787] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:13,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1513021070] [2022-12-14 14:30:13,795 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-12-14 14:30:13,795 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:13,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:13,801 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:13,801 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:14,046 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:30:15,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1513021070] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:15,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:30:15,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 4, 4] total 18 [2022-12-14 14:30:15,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950729901] [2022-12-14 14:30:15,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:15,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 14:30:15,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:15,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 14:30:15,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-12-14 14:30:15,464 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:15,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:15,628 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2022-12-14 14:30:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 14:30:15,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 14:30:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:15,629 INFO L225 Difference]: With dead ends: 35 [2022-12-14 14:30:15,629 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 14:30:15,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-12-14 14:30:15,629 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:15,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 29 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:30:15,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 14:30:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 14:30:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.206896551724138) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2022-12-14 14:30:15,634 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 14 [2022-12-14 14:30:15,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:15,634 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2022-12-14 14:30:15,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-12-14 14:30:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:30:15,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:15,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:15,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:30:15,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 14:30:15,836 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:15,838 INFO L85 PathProgramCache]: Analyzing trace with hash -255167216, now seen corresponding path program 1 times [2022-12-14 14:30:15,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:15,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842557629] [2022-12-14 14:30:15,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:15,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:15,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842557629] [2022-12-14 14:30:15,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842557629] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:15,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888284542] [2022-12-14 14:30:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:15,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:15,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:15,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:15,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:30:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:15,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:15,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:15,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:15,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888284542] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:15,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1618068837] [2022-12-14 14:30:15,988 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-12-14 14:30:15,988 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:15,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:15,988 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:15,989 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:16,143 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:30:17,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1618068837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:17,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:30:17,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 4, 4] total 19 [2022-12-14 14:30:17,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194334822] [2022-12-14 14:30:17,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:17,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 14:30:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:17,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 14:30:17,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-12-14 14:30:17,387 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:17,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:17,506 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2022-12-14 14:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:30:17,506 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 14:30:17,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:17,506 INFO L225 Difference]: With dead ends: 41 [2022-12-14 14:30:17,506 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 14:30:17,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-12-14 14:30:17,507 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 22 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:17,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 38 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:30:17,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 14:30:17,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2022-12-14 14:30:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.206896551724138) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2022-12-14 14:30:17,511 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 15 [2022-12-14 14:30:17,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:17,511 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2022-12-14 14:30:17,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-12-14 14:30:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:30:17,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:17,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:17,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:30:17,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:17,713 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:17,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1481377398, now seen corresponding path program 1 times [2022-12-14 14:30:17,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:17,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872834375] [2022-12-14 14:30:17,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:17,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:17,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:17,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872834375] [2022-12-14 14:30:17,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872834375] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:17,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340899286] [2022-12-14 14:30:17,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:17,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:17,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:17,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:30:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:17,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:17,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:17,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:17,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340899286] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:17,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [27684825] [2022-12-14 14:30:17,849 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-12-14 14:30:17,849 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:17,849 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:17,850 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:17,850 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:18,016 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:30:19,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [27684825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:19,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:30:19,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 4, 4] total 19 [2022-12-14 14:30:19,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763779547] [2022-12-14 14:30:19,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:19,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 14:30:19,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 14:30:19,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-12-14 14:30:19,539 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:19,714 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-12-14 14:30:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:30:19,714 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 14:30:19,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:19,715 INFO L225 Difference]: With dead ends: 37 [2022-12-14 14:30:19,715 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 14:30:19,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-12-14 14:30:19,715 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:19,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 32 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:30:19,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 14:30:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2022-12-14 14:30:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-12-14 14:30:19,719 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 15 [2022-12-14 14:30:19,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:19,719 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-12-14 14:30:19,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-12-14 14:30:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:30:19,720 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:19,720 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:19,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 14:30:19,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 14:30:19,922 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:19,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:19,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1505292811, now seen corresponding path program 1 times [2022-12-14 14:30:19,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:19,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899922340] [2022-12-14 14:30:19,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:19,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:19,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899922340] [2022-12-14 14:30:19,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899922340] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:19,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701784278] [2022-12-14 14:30:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:19,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:30:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:20,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:20,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:20,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:20,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701784278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:20,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:30:20,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 14:30:20,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406689060] [2022-12-14 14:30:20,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:20,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:30:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:20,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:30:20,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:30:20,030 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 14:30:20,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:20,047 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-12-14 14:30:20,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:30:20,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 14:30:20,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:20,048 INFO L225 Difference]: With dead ends: 29 [2022-12-14 14:30:20,048 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 14:30:20,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 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 14:30:20,049 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:20,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 68 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:30:20,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 14:30:20,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 14:30:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.2) internal successors, (30), 27 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 14:30:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-12-14 14:30:20,055 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 17 [2022-12-14 14:30:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:20,056 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-12-14 14:30:20,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 14:30:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-14 14:30:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 14:30:20,056 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:20,057 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:20,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:30:20,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 14:30:20,259 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash 580563220, now seen corresponding path program 1 times [2022-12-14 14:30:20,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:20,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253787563] [2022-12-14 14:30:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:20,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:20,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:20,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253787563] [2022-12-14 14:30:20,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253787563] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:20,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910608096] [2022-12-14 14:30:20,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:20,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:20,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:20,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:20,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:30:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:20,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:20,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:20,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:20,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910608096] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:20,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [599509632] [2022-12-14 14:30:20,435 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-12-14 14:30:20,435 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:20,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:20,435 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:20,436 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:20,742 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:30:21,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [599509632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:21,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:30:21,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 5, 5] total 23 [2022-12-14 14:30:21,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919726594] [2022-12-14 14:30:21,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:21,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 14:30:21,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:21,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 14:30:21,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2022-12-14 14:30:21,960 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 14:30:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:22,325 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-12-14 14:30:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:30:22,326 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 18 [2022-12-14 14:30:22,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:22,326 INFO L225 Difference]: With dead ends: 42 [2022-12-14 14:30:22,326 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 14:30:22,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-12-14 14:30:22,327 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 18 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:22,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 19 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:30:22,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 14:30:22,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-14 14:30:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 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 14:30:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-12-14 14:30:22,332 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2022-12-14 14:30:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:22,332 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-12-14 14:30:22,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 14:30:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-12-14 14:30:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 14:30:22,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:22,333 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:22,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:30:22,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 14:30:22,535 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash -308490145, now seen corresponding path program 1 times [2022-12-14 14:30:22,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:22,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745491811] [2022-12-14 14:30:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:22,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:22,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745491811] [2022-12-14 14:30:22,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745491811] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:22,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118328165] [2022-12-14 14:30:22,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:22,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:22,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:22,598 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:22,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 14:30:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:22,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:22,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:22,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:22,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118328165] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:22,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [961044243] [2022-12-14 14:30:22,695 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 14:30:22,695 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:22,695 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:22,695 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:22,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:22,944 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:30:23,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [961044243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:23,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:30:23,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 5, 5] total 24 [2022-12-14 14:30:23,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012660703] [2022-12-14 14:30:23,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:23,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 14:30:23,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:23,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 14:30:23,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:30:23,885 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 14:30:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:24,176 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2022-12-14 14:30:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:30:24,177 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 19 [2022-12-14 14:30:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:24,177 INFO L225 Difference]: With dead ends: 40 [2022-12-14 14:30:24,177 INFO L226 Difference]: Without dead ends: 24 [2022-12-14 14:30:24,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:30:24,178 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:24,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 18 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:30:24,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-14 14:30:24,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-12-14 14:30:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:30:24,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-14 14:30:24,184 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 19 [2022-12-14 14:30:24,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:24,184 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-14 14:30:24,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 14:30:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-14 14:30:24,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 14:30:24,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:24,184 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:24,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 14:30:24,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 14:30:24,386 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 14:30:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1390118873, now seen corresponding path program 1 times [2022-12-14 14:30:24,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:24,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040531376] [2022-12-14 14:30:24,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:30:24,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:24,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040531376] [2022-12-14 14:30:24,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040531376] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:30:24,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937757460] [2022-12-14 14:30:24,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:24,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 14:30:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:24,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:24,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:24,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:30:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:30:24,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937757460] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:30:24,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1605547185] [2022-12-14 14:30:24,560 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 14:30:24,560 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:30:24,560 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:30:24,560 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:30:24,561 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:30:24,900 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:30:26,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1605547185] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:26,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 14:30:26,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 5, 5] total 24 [2022-12-14 14:30:26,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725544790] [2022-12-14 14:30:26,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:26,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 14:30:26,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:26,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 14:30:26,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2022-12-14 14:30:26,158 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 14:30:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:26,528 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-12-14 14:30:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 14:30:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 19 [2022-12-14 14:30:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:26,529 INFO L225 Difference]: With dead ends: 24 [2022-12-14 14:30:26,529 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:30:26,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2022-12-14 14:30:26,530 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:26,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:30:26,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:30:26,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:30:26,531 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 14:30:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:30:26,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-12-14 14:30:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:26,531 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:30:26,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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 14:30:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:30:26,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:30:26,533 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-12-14 14:30:26,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-12-14 14:30:26,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-12-14 14:30:26,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-12-14 14:30:26,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-12-14 14:30:26,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-12-14 14:30:26,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 14:30:26,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 14:30:26,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 14:30:28,549 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 24 52) the Hoare annotation is: true [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 43) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L895 garLoopResultBuilder]: At program point L40-2(lines 34 44) the Hoare annotation is: (let ((.cse24 (select |#memory_int| 1))) (let ((.cse3 (= |ULTIMATE.start_main_~v~0#1| 1)) (.cse0 (< 0 |ULTIMATE.start_main_~n~0#1|)) (.cse1 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse4 (= 2 (select |#length| 1))) (.cse5 (< |ULTIMATE.start_main_~n~0#1| 2)) (.cse6 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse7 (= 10000 |ULTIMATE.start_main_~c3~0#1|)) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse9 (= 9 (select |#length| 2))) (.cse10 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse11 (= |ULTIMATE.start_main_~c2~0#1| 2000)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse14 (= |ULTIMATE.start_main_~c1~0#1| 4000)) (.cse15 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse16 (= (select |#valid| 0) 0)) (.cse23 (= |ULTIMATE.start_main_~v~0#1| 0)) (.cse17 (= (select |#valid| 2) 1)) (.cse18 (= |#NULL.offset| 0)) (.cse19 (= (select .cse24 0) 48)) (.cse20 (= (select .cse24 1) 0)) (.cse21 (< 0 |#StackHeapBarrier|)) (.cse22 (= |#NULL.base| 0))) (or (and .cse0 (= |ULTIMATE.start_main_~c2~0#1| |ULTIMATE.start_main_~k~0#1|) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse0 (= |ULTIMATE.start_main_~c3~0#1| |ULTIMATE.start_main_~k~0#1|) .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (not .cse23) .cse13 (not .cse3) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (<= 0 |ULTIMATE.start_main_~v~0#1|) .cse20 (<= |ULTIMATE.start_main_~v~0#1| 2147483647) .cse21 .cse22) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse4 .cse7 .cse8 .cse9 .cse10 .cse11 (= |ULTIMATE.start_main_~k~0#1| 0) (< |ULTIMATE.start_main_~n~0#1| 10) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (<= 0 |ULTIMATE.start_main_~n~0#1|) .cse20 .cse21 .cse22) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~c1~0#1| |ULTIMATE.start_main_~k~0#1|) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse23 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22)))) [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-14 14:30:28,550 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 50) the Hoare annotation is: (let ((.cse25 (select |#memory_int| 1))) (let ((.cse0 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse1 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 10000 |ULTIMATE.start_main_~c3~0#1|)) (.cse4 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse5 (= 9 (select |#length| 2))) (.cse6 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse7 (= |ULTIMATE.start_main_~c2~0#1| 2000)) (.cse8 (= (select |#valid| 1) 1)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse10 (= |ULTIMATE.start_main_~c1~0#1| 4000)) (.cse11 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse12 (= (select |#valid| 0) 0)) (.cse13 (= (select |#valid| 2) 1)) (.cse15 (= (select .cse25 0) 48)) (.cse17 (= (select .cse25 1) 0)) (.cse18 (< 0 |#StackHeapBarrier|)) (.cse14 (= |#NULL.offset| 0)) (.cse16 (<= |ULTIMATE.start_main_~n~0#1| 1)) (.cse19 (= |#NULL.base| 0)) (.cse23 (= |ULTIMATE.start_main_~j~0#1| 0))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~k~0#1| 1)) .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse3 .cse4 .cse5 .cse6 .cse7 (<= |ULTIMATE.start_main_~k~0#1| 10000) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1) .cse17 .cse18 .cse19) (and (let ((.cse20 (< 0 |ULTIMATE.start_main_~n~0#1|)) (.cse22 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse24 (= |ULTIMATE.start_main_~v~0#1| 0)) (.cse21 (= |ULTIMATE.start_main_~v~0#1| 1))) (or (and (or (and .cse20 (= |ULTIMATE.start_main_~c2~0#1| |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse21 .cse2 .cse22 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse23 .cse17) (and .cse20 .cse0 .cse1 .cse2 .cse22 .cse3 (= |ULTIMATE.start_main_~c1~0#1| |ULTIMATE.start_main_~k~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse24 .cse13 .cse15 .cse23 .cse17)) .cse18) (and .cse20 (= |ULTIMATE.start_main_~c3~0#1| |ULTIMATE.start_main_~k~0#1|) .cse0 .cse1 .cse2 .cse22 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not .cse24) .cse9 (not .cse21) .cse10 .cse11 .cse12 .cse13 .cse15 (<= 0 |ULTIMATE.start_main_~v~0#1|) .cse23 .cse17 (<= |ULTIMATE.start_main_~v~0#1| 2147483647) .cse18))) .cse14 .cse16 .cse19) (and (= |ULTIMATE.start_main_~k~0#1| 0) .cse23)))) [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 14:30:28,551 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 43) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-14 14:30:28,552 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2022-12-14 14:30:28,554 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:30:28,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:30:28,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:30:28 BoogieIcfgContainer [2022-12-14 14:30:28,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:30:28,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:30:28,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:30:28,574 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:30:28,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:30:11" (3/4) ... [2022-12-14 14:30:28,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 14:30:28,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 14:30:28,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 14:30:28,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 14:30:28,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 14:30:28,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 14:30:28,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((0 < n && c2 == k) && argv == argv) && argc == \old(argc)) && v == 1) && 2 == unknown-#length-unknown[1]) && n < 2) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((0 < n && c3 == k) && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && n < 2) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && !(v == 0)) && argv == #in~argv) && !(v == 1)) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= v) && unknown-#memory_int-unknown[1][1] == 0) && v <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((i == 0 && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && k == 0) && n < 10) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= n) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((0 < n && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && n < 2) && i == 1) && 10000 == c3) && c1 == k) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && v == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-12-14 14:30:28,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((j <= 1 && 0 <= k + 1) && argv == argv) && argc == \old(argc)) && 1 <= i) && 2 == unknown-#length-unknown[1]) && 1 <= j) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && k <= 10000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && n <= 1) && 0 <= n) && i <= 1) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((0 < n && c2 == k) && argv == argv) && argc == \old(argc)) && v == 1) && 2 == unknown-#length-unknown[1]) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && j == 0) && unknown-#memory_int-unknown[1][1] == 0) || ((((((((((((((((((((0 < n && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && i == 1) && 10000 == c3) && c1 == k) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && v == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && j == 0) && unknown-#memory_int-unknown[1][1] == 0)) && 0 < unknown-#StackHeapBarrier-unknown) || ((((((((((((((((((((((((0 < n && c3 == k) && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && !(v == 0)) && argv == #in~argv) && !(v == 1)) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= v) && j == 0) && unknown-#memory_int-unknown[1][1] == 0) && v <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown)) && #NULL == 0) && n <= 1) && #NULL == 0)) || (k == 0 && j == 0) [2022-12-14 14:30:28,606 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:30:28,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:30:28,606 INFO L158 Benchmark]: Toolchain (without parser) took 17107.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 86.1MB in the beginning and 70.3MB in the end (delta: 15.7MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,606 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:30:28,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.94ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 75.4MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.71ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,607 INFO L158 Benchmark]: Boogie Preprocessor took 21.48ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,607 INFO L158 Benchmark]: RCFGBuilder took 247.32ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 60.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,607 INFO L158 Benchmark]: TraceAbstraction took 16577.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 73.5MB in the end (delta: -14.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,607 INFO L158 Benchmark]: Witness Printer took 31.73ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 14:30:28,608 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 117.4MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.94ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 75.4MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.71ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.48ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 247.32ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 60.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 16577.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 73.5MB in the end (delta: -14.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Witness Printer took 31.73ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 70.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: 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, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 480 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 480 mSDsluCounter, 689 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 420 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1034 IncrementalHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 269 mSDtfsCounter, 1034 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 386 GetRequests, 193 SyntacticMatches, 30 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=9, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 67 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 15 NumberOfFragments, 760 HoareAnnotationTreeSize, 3 FomulaSimplifications, 511 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7273 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1493 SizeOfPredicates, 17 NumberOfNonLiveVariables, 711 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 31 InterpolantComputations, 11 PerfectInterpolantSequences, 21/55 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 91, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME: 1.1s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 163, TOOLS_QUANTIFIERELIM_TIME: 1.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 91, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1364, DAG_COMPRESSION_RETAINED_NODES: 296, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < n && c2 == k) && argv == argv) && argc == \old(argc)) && v == 1) && 2 == unknown-#length-unknown[1]) && n < 2) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((0 < n && c3 == k) && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && n < 2) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && !(v == 0)) && argv == #in~argv) && !(v == 1)) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= v) && unknown-#memory_int-unknown[1][1] == 0) && v <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || ((((((((((((((((((((((i == 0 && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && k == 0) && n < 10) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= n) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) || (((((((((((((((((((((((0 < n && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && n < 2) && i == 1) && 10000 == c3) && c1 == k) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && v == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((j <= 1 && 0 <= k + 1) && argv == argv) && argc == \old(argc)) && 1 <= i) && 2 == unknown-#length-unknown[1]) && 1 <= j) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && k <= 10000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && n <= 1) && 0 <= n) && i <= 1) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((0 < n && c2 == k) && argv == argv) && argc == \old(argc)) && v == 1) && 2 == unknown-#length-unknown[1]) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && j == 0) && unknown-#memory_int-unknown[1][1] == 0) || ((((((((((((((((((((0 < n && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && i == 1) && 10000 == c3) && c1 == k) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && argv == #in~argv) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && v == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && j == 0) && unknown-#memory_int-unknown[1][1] == 0)) && 0 < unknown-#StackHeapBarrier-unknown) || ((((((((((((((((((((((((0 < n && c3 == k) && argv == argv) && argc == \old(argc)) && 2 == unknown-#length-unknown[1]) && i == 1) && 10000 == c3) && argv == #in~argv) && 9 == unknown-#length-unknown[2]) && argv == argv) && c2 == 2000) && \valid[1] == 1) && !(v == 0)) && argv == #in~argv) && !(v == 1)) && c1 == 4000) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && 0 <= v) && j == 0) && unknown-#memory_int-unknown[1][1] == 0) && v <= 2147483647) && 0 < unknown-#StackHeapBarrier-unknown)) && #NULL == 0) && n <= 1) && #NULL == 0)) || (k == 0 && j == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 14:30:28,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c945b1df-1edb-4248-ba91-fc2dbaf60055/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