./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur --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 6bc6b4117baccd9c0c047fce306a2f95fb55fa90595dfb64eaa429319b56a306 --- 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-38b53e6 [2022-11-25 23:18:16,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:18:16,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:18:16,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:18:16,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:18:16,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:18:16,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:18:16,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:18:16,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:18:16,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:18:16,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:18:16,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:18:16,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:18:16,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:18:16,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:18:16,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:18:16,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:18:16,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:18:16,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:18:16,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:18:16,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:18:16,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:18:16,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:18:16,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:18:16,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:18:16,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:18:16,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:18:16,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:18:16,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:18:16,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:18:16,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:18:16,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:18:16,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:18:16,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:18:16,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:18:16,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:18:16,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:18:16,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:18:16,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:18:16,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:18:16,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:18:16,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:18:16,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:18:16,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:18:16,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:18:16,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:18:16,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:18:16,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:18:16,276 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:18:16,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:18:16,276 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:18:16,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:18:16,278 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:18:16,278 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:18:16,278 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:18:16,278 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:18:16,279 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:18:16,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:18:16,279 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:18:16,279 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:18:16,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:18:16,283 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:18:16,283 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:18:16,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:18:16,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:18:16,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:18:16,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:18:16,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:18:16,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:18:16,285 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:18:16,285 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:18:16,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:18:16,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:18:16,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:18:16,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:18:16,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:18:16,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:16,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:18:16,289 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:18:16,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:18:16,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:18:16,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:18:16,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:18:16,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:18:16,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:18:16,298 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_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc6b4117baccd9c0c047fce306a2f95fb55fa90595dfb64eaa429319b56a306 [2022-11-25 23:18:16,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:18:16,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:18:16,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:18:16,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:18:16,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:18:16,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c [2022-11-25 23:18:19,647 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:18:19,833 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:18:19,834 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c [2022-11-25 23:18:19,839 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data/54da1000c/f69d75c18f6141a79f57dd429e3a1a03/FLAG170dbed18 [2022-11-25 23:18:19,853 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data/54da1000c/f69d75c18f6141a79f57dd429e3a1a03 [2022-11-25 23:18:19,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:18:19,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:18:19,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:19,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:18:19,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:18:19,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:19" (1/1) ... [2022-11-25 23:18:19,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519881a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:19, skipping insertion in model container [2022-11-25 23:18:19,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:19" (1/1) ... [2022-11-25 23:18:19,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:18:19,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:18:20,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:20,085 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:18:20,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:20,139 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:18:20,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20 WrapperNode [2022-11-25 23:18:20,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:20,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:20,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:18:20,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:18:20,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,191 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2022-11-25 23:18:20,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:20,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:18:20,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:18:20,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:18:20,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:18:20,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:18:20,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:18:20,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:18:20,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (1/1) ... [2022-11-25 23:18:20,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:20,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:20,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:18:20,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:18:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:18:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:18:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:18:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:18:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:18:20,470 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:18:20,473 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:18:20,790 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:18:20,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:18:20,866 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-25 23:18:20,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:20 BoogieIcfgContainer [2022-11-25 23:18:20,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:18:20,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:18:20,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:18:20,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:18:20,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:18:19" (1/3) ... [2022-11-25 23:18:20,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32142bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:20, skipping insertion in model container [2022-11-25 23:18:20,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:20" (2/3) ... [2022-11-25 23:18:20,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32142bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:20, skipping insertion in model container [2022-11-25 23:18:20,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:20" (3/3) ... [2022-11-25 23:18:20,890 INFO L112 eAbstractionObserver]: Analyzing ICFG getNumbers4-1.c [2022-11-25 23:18:20,910 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:18:20,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 23:18:20,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:18:20,984 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;@72dc191a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:18:20,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 23:18:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.9375) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-25 23:18:21,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:21,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-25 23:18:21,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:21,011 INFO L85 PathProgramCache]: Analyzing trace with hash 129096, now seen corresponding path program 1 times [2022-11-25 23:18:21,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:21,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226949354] [2022-11-25 23:18:21,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:21,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:21,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:21,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226949354] [2022-11-25 23:18:21,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226949354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:21,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:21,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:18:21,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681251437] [2022-11-25 23:18:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:21,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:21,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:21,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:21,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:21,329 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.9375) internal successors, (31), 26 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:21,395 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-25 23:18:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:21,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2022-11-25 23:18:21,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:21,408 INFO L225 Difference]: With dead ends: 27 [2022-11-25 23:18:21,408 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:18:21,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:21,418 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:21,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 19 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:21,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:18:21,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 23:18:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 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) [2022-11-25 23:18:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-25 23:18:21,453 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 3 [2022-11-25 23:18:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:21,453 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-25 23:18:21,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-25 23:18:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:18:21,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:21,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:18:21,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:18:21,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:21,458 INFO L85 PathProgramCache]: Analyzing trace with hash 4103439, now seen corresponding path program 1 times [2022-11-25 23:18:21,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:21,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490400] [2022-11-25 23:18:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:21,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:21,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490400] [2022-11-25 23:18:21,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:21,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:21,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:18:21,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419869880] [2022-11-25 23:18:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:21,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:21,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:21,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:21,569 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:21,614 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-11-25 23:18:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:21,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:18:21,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:21,617 INFO L225 Difference]: With dead ends: 49 [2022-11-25 23:18:21,617 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 23:18:21,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:21,621 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:21,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 23:18:21,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 23:18:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-11-25 23:18:21,628 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 4 [2022-11-25 23:18:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:21,629 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-11-25 23:18:21,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-25 23:18:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:18:21,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:21,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:21,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:18:21,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1034735441, now seen corresponding path program 1 times [2022-11-25 23:18:21,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:21,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453458549] [2022-11-25 23:18:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:21,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:21,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453458549] [2022-11-25 23:18:21,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453458549] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:21,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277231912] [2022-11-25 23:18:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:21,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:21,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:21,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:21,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:18:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:21,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:21,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:18:21,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:21,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277231912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:21,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:21,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181532209] [2022-11-25 23:18:21,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:21,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:21,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:21,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:21,873 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-11-25 23:18:21,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:21,891 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-11-25 23:18:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:21,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2022-11-25 23:18:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:21,893 INFO L225 Difference]: With dead ends: 28 [2022-11-25 23:18:21,893 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 23:18:21,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:21,895 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 20 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:21,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:21,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 23:18:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-25 23:18:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.631578947368421) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-25 23:18:21,900 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 7 [2022-11-25 23:18:21,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:21,901 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-25 23:18:21,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-11-25 23:18:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-25 23:18:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:18:21,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:21,902 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-25 23:18:21,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:22,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-25 23:18:22,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:22,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:22,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1034836859, now seen corresponding path program 1 times [2022-11-25 23:18:22,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:22,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940129135] [2022-11-25 23:18:22,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:22,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:18:22,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:22,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940129135] [2022-11-25 23:18:22,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940129135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:22,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:22,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:18:22,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243078895] [2022-11-25 23:18:22,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:22,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:22,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:22,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:22,153 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-11-25 23:18:22,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:22,175 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-25 23:18:22,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:22,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2022-11-25 23:18:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:22,176 INFO L225 Difference]: With dead ends: 27 [2022-11-25 23:18:22,176 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:18:22,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:22,177 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 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 [2022-11-25 23:18:22,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:22,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:18:22,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-11-25 23:18:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-11-25 23:18:22,182 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2022-11-25 23:18:22,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:22,183 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-25 23:18:22,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-11-25 23:18:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-25 23:18:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:18:22,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:22,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:22,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:18:22,184 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:22,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:22,185 INFO L85 PathProgramCache]: Analyzing trace with hash -2011946298, now seen corresponding path program 1 times [2022-11-25 23:18:22,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:22,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925913575] [2022-11-25 23:18:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:18:22,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:22,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925913575] [2022-11-25 23:18:22,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925913575] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:22,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018203413] [2022-11-25 23:18:22,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:22,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:22,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:22,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:18:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:22,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:22,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:18:22,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:22,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018203413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:22,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:22,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 23:18:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63696284] [2022-11-25 23:18:22,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:22,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:22,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:22,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:22,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:22,352 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:22,399 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-11-25 23:18:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:22,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 23:18:22,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:22,402 INFO L225 Difference]: With dead ends: 43 [2022-11-25 23:18:22,402 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 23:18:22,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:22,403 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:22,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:22,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 23:18:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-25 23:18:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.55) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-25 23:18:22,414 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 8 [2022-11-25 23:18:22,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:22,415 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-25 23:18:22,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-25 23:18:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:18:22,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:22,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:22,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 23:18:22,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:22,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:22,622 INFO L85 PathProgramCache]: Analyzing trace with hash 251427713, now seen corresponding path program 1 times [2022-11-25 23:18:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:22,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673995780] [2022-11-25 23:18:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:18:22,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:22,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673995780] [2022-11-25 23:18:22,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673995780] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:22,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576888263] [2022-11-25 23:18:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:22,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:22,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:22,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:22,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:18:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:22,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:22,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:18:22,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:22,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576888263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:22,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:22,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:22,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289879488] [2022-11-25 23:18:22,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:22,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:22,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:22,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:22,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:22,796 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:22,824 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-25 23:18:22,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:22,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 23:18:22,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:22,826 INFO L225 Difference]: With dead ends: 27 [2022-11-25 23:18:22,826 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:18:22,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:22,827 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:22,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 23 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:22,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:18:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 23:18:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-11-25 23:18:22,832 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 11 [2022-11-25 23:18:22,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:22,833 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-11-25 23:18:22,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-25 23:18:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:18:22,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:22,834 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:22,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:23,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,035 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:23,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:23,035 INFO L85 PathProgramCache]: Analyzing trace with hash 251346476, now seen corresponding path program 1 times [2022-11-25 23:18:23,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:23,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990275143] [2022-11-25 23:18:23,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:23,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:23,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990275143] [2022-11-25 23:18:23,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990275143] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:23,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115474587] [2022-11-25 23:18:23,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:23,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:23,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:18:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:23,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:18:23,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:23,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115474587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:23,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:23,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942294997] [2022-11-25 23:18:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:23,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:23,213 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:23,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:23,253 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-11-25 23:18:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:23,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 23:18:23,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:23,254 INFO L225 Difference]: With dead ends: 26 [2022-11-25 23:18:23,255 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:18:23,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:23,256 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 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 [2022-11-25 23:18:23,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:18:23,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-25 23:18:23,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.5) internal successors, (27), 22 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) [2022-11-25 23:18:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-25 23:18:23,261 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 11 [2022-11-25 23:18:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:23,261 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-25 23:18:23,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-25 23:18:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:18:23,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:23,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:23,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:23,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:23,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash -795675406, now seen corresponding path program 1 times [2022-11-25 23:18:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:23,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493907488] [2022-11-25 23:18:23,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:18:23,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:23,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493907488] [2022-11-25 23:18:23,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493907488] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:23,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305456061] [2022-11-25 23:18:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:23,526 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:23,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:18:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:23,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:18:23,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:23,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305456061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:23,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:23,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523852685] [2022-11-25 23:18:23,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:23,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:23,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:23,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:23,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:23,640 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:23,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:23,677 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-25 23:18:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:23,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 23:18:23,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:23,678 INFO L225 Difference]: With dead ends: 37 [2022-11-25 23:18:23,680 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:18:23,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:23,681 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:23,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:23,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:18:23,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 23:18:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-11-25 23:18:23,693 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 12 [2022-11-25 23:18:23,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:23,693 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-11-25 23:18:23,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-25 23:18:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:18:23,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:23,695 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:23,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:23,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,896 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash -41435970, now seen corresponding path program 1 times [2022-11-25 23:18:23,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:23,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785136411] [2022-11-25 23:18:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:18:23,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:23,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785136411] [2022-11-25 23:18:23,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785136411] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:23,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818594229] [2022-11-25 23:18:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:23,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:23,952 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:23,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:18:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:24,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:24,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:24,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:24,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818594229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:24,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:24,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:24,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766454300] [2022-11-25 23:18:24,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:24,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:24,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:24,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:24,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:24,068 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-11-25 23:18:24,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:24,093 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-11-25 23:18:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:24,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 [2022-11-25 23:18:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:24,099 INFO L225 Difference]: With dead ends: 26 [2022-11-25 23:18:24,099 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:18:24,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:24,101 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 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 [2022-11-25 23:18:24,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:24,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:18:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-25 23:18:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 22 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) [2022-11-25 23:18:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-25 23:18:24,112 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2022-11-25 23:18:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:24,112 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-25 23:18:24,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-11-25 23:18:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-25 23:18:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:18:24,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:24,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:24,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:24,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 23:18:24,320 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash -41369148, now seen corresponding path program 1 times [2022-11-25 23:18:24,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:24,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079838122] [2022-11-25 23:18:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:24,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:18:24,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:24,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079838122] [2022-11-25 23:18:24,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079838122] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:24,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119970282] [2022-11-25 23:18:24,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:24,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:24,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:24,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:18:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:24,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:24,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:24,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:24,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119970282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:24,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:24,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:24,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692889987] [2022-11-25 23:18:24,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:24,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:24,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:24,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:24,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:24,477 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-11-25 23:18:24,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:24,496 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-11-25 23:18:24,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:24,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 [2022-11-25 23:18:24,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:24,497 INFO L225 Difference]: With dead ends: 23 [2022-11-25 23:18:24,497 INFO L226 Difference]: Without dead ends: 22 [2022-11-25 23:18:24,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:24,498 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:24,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:24,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-25 23:18:24,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-25 23:18:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-25 23:18:24,510 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2022-11-25 23:18:24,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:24,510 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-25 23:18:24,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-11-25 23:18:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-25 23:18:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:18:24,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:24,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:24,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-25 23:18:24,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 23:18:24,716 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:24,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:24,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1282443486, now seen corresponding path program 1 times [2022-11-25 23:18:24,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:24,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911860445] [2022-11-25 23:18:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:24,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:18:24,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:24,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911860445] [2022-11-25 23:18:24,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911860445] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:24,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514125090] [2022-11-25 23:18:24,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:24,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:24,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:24,766 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:24,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:18:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:24,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:24,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:24,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:24,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:24,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514125090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:24,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:24,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:24,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422334127] [2022-11-25 23:18:24,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:24,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:24,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:24,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:24,871 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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) [2022-11-25 23:18:24,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:24,894 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-25 23:18:24,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:24,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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 16 [2022-11-25 23:18:24,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:24,896 INFO L225 Difference]: With dead ends: 31 [2022-11-25 23:18:24,896 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:18:24,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:24,898 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:24,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:24,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:18:24,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 23:18:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 24 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) [2022-11-25 23:18:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-25 23:18:24,911 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2022-11-25 23:18:24,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:24,911 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-25 23:18:24,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 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) [2022-11-25 23:18:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-25 23:18:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:18:24,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:24,912 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:24,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:25,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:25,118 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:25,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:25,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1539697087, now seen corresponding path program 1 times [2022-11-25 23:18:25,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:25,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289291318] [2022-11-25 23:18:25,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:25,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:18:25,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:25,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289291318] [2022-11-25 23:18:25,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289291318] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:25,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620838180] [2022-11-25 23:18:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:25,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:25,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:25,199 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:25,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:18:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:25,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:25,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:18:25,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:25,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620838180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:25,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:25,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-11-25 23:18:25,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905654332] [2022-11-25 23:18:25,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:25,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:25,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:25,304 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:25,320 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-11-25 23:18:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:25,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-25 23:18:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:25,321 INFO L225 Difference]: With dead ends: 25 [2022-11-25 23:18:25,321 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 23:18:25,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:25,322 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 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 [2022-11-25 23:18:25,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 23:18:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2022-11-25 23:18:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-11-25 23:18:25,325 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 19 [2022-11-25 23:18:25,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:25,325 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-11-25 23:18:25,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-25 23:18:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:18:25,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:25,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:25,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:25,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:25,532 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:25,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:25,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1539655746, now seen corresponding path program 1 times [2022-11-25 23:18:25,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:25,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581138638] [2022-11-25 23:18:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:25,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:25,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:25,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581138638] [2022-11-25 23:18:25,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581138638] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:25,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715799008] [2022-11-25 23:18:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:25,595 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:25,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 23:18:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:25,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:18:25,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:25,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:25,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715799008] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:25,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1021736612] [2022-11-25 23:18:25,766 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-25 23:18:25,766 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:25,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:25,775 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:25,775 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:25,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 25 [2022-11-25 23:18:25,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 44 [2022-11-25 23:18:25,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2022-11-25 23:18:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 248 [2022-11-25 23:18:26,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:18:26,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-25 23:18:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,564 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-25 23:18:26,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 163 [2022-11-25 23:18:26,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:26,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2022-11-25 23:18:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:26,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 173 [2022-11-25 23:18:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:27,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-25 23:18:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,454 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-25 23:18:27,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 163 [2022-11-25 23:18:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:27,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:28,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 164 [2022-11-25 23:18:28,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-25 23:18:28,256 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:33,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1021736612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:33,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:18:33,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [3, 3, 3] total 19 [2022-11-25 23:18:33,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628872780] [2022-11-25 23:18:33,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:33,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:18:33,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:18:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2022-11-25 23:18:33,542 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:33,800 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-11-25 23:18:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:18:33,800 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-25 23:18:33,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:33,801 INFO L225 Difference]: With dead ends: 27 [2022-11-25 23:18:33,801 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:18:33,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2022-11-25 23:18:33,802 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 19 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:33,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 13 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:18:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:18:33,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 23:18:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 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) [2022-11-25 23:18:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-25 23:18:33,813 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 19 [2022-11-25 23:18:33,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:33,813 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-25 23:18:33,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-25 23:18:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:18:33,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:33,814 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:33,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:34,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 23:18:34,023 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:34,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:34,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1928453679, now seen corresponding path program 1 times [2022-11-25 23:18:34,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:34,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446528274] [2022-11-25 23:18:34,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:34,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:18:34,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:34,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446528274] [2022-11-25 23:18:34,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446528274] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:34,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100926156] [2022-11-25 23:18:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:34,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:34,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:34,063 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:34,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 23:18:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:34,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:18:34,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:18:34,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:18:34,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100926156] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:34,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1944893440] [2022-11-25 23:18:34,178 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-25 23:18:34,178 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:34,178 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:34,179 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:34,179 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:34,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 25 [2022-11-25 23:18:34,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 44 [2022-11-25 23:18:34,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2022-11-25 23:18:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 255 [2022-11-25 23:18:34,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:18:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2022-11-25 23:18:34,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 173 [2022-11-25 23:18:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-25 23:18:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:34,986 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-25 23:18:34,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 163 [2022-11-25 23:18:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:35,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:35,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:35,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:35,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2022-11-25 23:18:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:35,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 173 [2022-11-25 23:18:35,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:35,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:35,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:36,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:36,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:36,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:36,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:18:36,237 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:41,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1944893440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:41,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:18:41,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [3, 3, 3] total 19 [2022-11-25 23:18:41,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390972249] [2022-11-25 23:18:41,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:41,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:18:41,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:41,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:18:41,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-11-25 23:18:41,704 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:42,661 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-11-25 23:18:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:18:42,662 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-25 23:18:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:42,662 INFO L225 Difference]: With dead ends: 25 [2022-11-25 23:18:42,663 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 23:18:42,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-11-25 23:18:42,664 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:42,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:18:42,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 23:18:42,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-25 23:18:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-11-25 23:18:42,675 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 22 [2022-11-25 23:18:42,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:42,675 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-11-25 23:18:42,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-25 23:18:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:18:42,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:42,677 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:42,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:42,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 23:18:42,883 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:42,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 347478217, now seen corresponding path program 1 times [2022-11-25 23:18:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:42,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238140768] [2022-11-25 23:18:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:18:42,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:42,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238140768] [2022-11-25 23:18:42,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238140768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:42,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172641140] [2022-11-25 23:18:42,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:42,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:42,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:42,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:42,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 23:18:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:43,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:18:43,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:18:43,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:18:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:18:43,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172641140] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:18:43,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562833283] [2022-11-25 23:18:43,087 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-25 23:18:43,087 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:43,087 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:43,087 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:43,088 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:43,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 25 [2022-11-25 23:18:43,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 44 [2022-11-25 23:18:43,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2022-11-25 23:18:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 248 [2022-11-25 23:18:43,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 23:18:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:43,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-25 23:18:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,478 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-25 23:18:43,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 163 [2022-11-25 23:18:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-25 23:18:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,836 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-25 23:18:43,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 163 [2022-11-25 23:18:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:43,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2022-11-25 23:18:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 173 [2022-11-25 23:18:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:44,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:44,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:44,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2022-11-25 23:18:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 164 [2022-11-25 23:18:45,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-25 23:18:45,096 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:18:51,146 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1804#(and (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.base| 2) (<= 10 |ULTIMATE.start_getNumbers3_~i~2#1|) (<= 4 |ULTIMATE.start_getNumbers4_#res#1.base|) (<= 3 |ULTIMATE.start_getNumbers4_~numbers~2#1.base|) (<= |ULTIMATE.start_getNumbers3_#res#1.offset| 0) (<= |ULTIMATE.start_getNumbers4_#res#1.base| 4) (<= |ULTIMATE.start_getNumbers3_~i~2#1| 2147483647) (<= 10 |ULTIMATE.start_getNumbers_~i~0#1|) (= 4 |~#numbers4~0.base|) (<= 0 |ULTIMATE.start_getNumbers2_#res#1.offset|) (<= |ULTIMATE.start_main_~numbers~3#1.offset| 0) (= |~#numbers3~0.offset| 0) (= |~#numbers2~0.base| 2) (<= |ULTIMATE.start_getNumbers2_~i~1#1| 2147483647) (<= 0 |ULTIMATE.start_getNumbers4_#res#1.offset|) (<= 2 |ULTIMATE.start_getNumbers2_#res#1.base|) (<= 3 |ULTIMATE.start_getNumbers3_#res#1.base|) (<= |ULTIMATE.start_getNumbers4_~numbers~2#1.base| 3) (<= 0 |ULTIMATE.start_getNumbers3_~numbers~1#1.offset|) (<= 10 |ULTIMATE.start_getNumbers4_~i~3#1|) (= 3 |~#numbers3~0.base|) (<= 0 |ULTIMATE.start_getNumbers3_#res#1.offset|) (<= 4 |ULTIMATE.start_main_~numbers~3#1.base|) (<= |ULTIMATE.start_getNumbers4_~numbers~2#1.offset| 0) (< 2147483646 |ULTIMATE.start_main_#t~post11#1|) (<= 1 |ULTIMATE.start_getNumbers_#res#1.base|) (<= 1 |ULTIMATE.start_getNumbers2_~numbers~0#1.base|) (<= |ULTIMATE.start_getNumbers2_#res#1.offset| 0) (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647) (<= 0 |ULTIMATE.start_getNumbers_#res#1.offset|) (<= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (<= |ULTIMATE.start_main_~numbers~3#1.base| 4) (= |~#array~0.offset| 0) (<= 0 |ULTIMATE.start_getNumbers4_~numbers~2#1.offset|) (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.offset| 0) (= |~#array~0.base| 1) (<= 0 |ULTIMATE.start_main_~numbers~3#1.offset|) (<= |ULTIMATE.start_getNumbers2_#res#1.base| 2) (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.base| 1) (<= 0 |ULTIMATE.start_getNumbers2_~numbers~0#1.offset|) (= |#NULL.offset| 0) (= |~#numbers4~0.offset| 0) (<= 10 |ULTIMATE.start_getNumbers2_~i~1#1|) (<= 2 |ULTIMATE.start_getNumbers3_~numbers~1#1.base|) (= |~#numbers2~0.offset| 0) (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.offset| 0) (<= |ULTIMATE.start_getNumbers_#res#1.base| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_getNumbers3_#res#1.base| 3) (= |#NULL.base| 0) (<= |ULTIMATE.start_getNumbers4_#res#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_getNumbers4_~i~3#1| 2147483647))' at error location [2022-11-25 23:18:51,146 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:18:51,146 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:18:51,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-25 23:18:51,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575442124] [2022-11-25 23:18:51,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:18:51,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:18:51,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:18:51,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:18:51,148 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:51,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:51,194 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-11-25 23:18:51,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:18:51,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-25 23:18:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:51,195 INFO L225 Difference]: With dead ends: 52 [2022-11-25 23:18:51,195 INFO L226 Difference]: Without dead ends: 33 [2022-11-25 23:18:51,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:18:51,197 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:51,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 36 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:51,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-25 23:18:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-25 23:18:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-11-25 23:18:51,209 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 23 [2022-11-25 23:18:51,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:51,210 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-11-25 23:18:51,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-11-25 23:18:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 23:18:51,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:51,211 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:51,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:51,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:51,416 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:51,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:51,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1989182167, now seen corresponding path program 2 times [2022-11-25 23:18:51,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:51,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110286296] [2022-11-25 23:18:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-25 23:18:51,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:51,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110286296] [2022-11-25 23:18:51,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110286296] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:51,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947239520] [2022-11-25 23:18:51,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:18:51,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:18:51,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:51,502 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:18:51,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 23:18:51,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-25 23:18:51,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:18:51,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:18:51,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-25 23:18:51,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:51,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947239520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:51,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:18:51,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 23:18:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934886000] [2022-11-25 23:18:51,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:51,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:51,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:51,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:51,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:51,605 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:51,636 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-25 23:18:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:51,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 23:18:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:51,636 INFO L225 Difference]: With dead ends: 33 [2022-11-25 23:18:51,636 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:18:51,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:51,637 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:51,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:18:51,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:18:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:18:51,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-25 23:18:51,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:51,639 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:18:51,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:18:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:18:51,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:18:51,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 23:18:51,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 23:18:51,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 23:18:51,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 23:18:51,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 23:18:51,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 23:18:51,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 23:18:51,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 23:18:51,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 23:18:51,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 23:18:51,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:51,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 23:18:51,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:18:54,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-25 23:18:54,694 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 29) no Hoare annotation was computed. [2022-11-25 23:18:54,695 INFO L899 garLoopResultBuilder]: For program point L27-3(line 27) no Hoare annotation was computed. [2022-11-25 23:18:54,695 INFO L895 garLoopResultBuilder]: At program point L27-4(lines 27 29) the Hoare annotation is: (and (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.base| 2) (<= |ULTIMATE.start_getNumbers3_~i~2#1| 2147483647) (<= 10 |ULTIMATE.start_getNumbers_~i~0#1|) (= 4 |~#numbers4~0.base|) (<= 0 |ULTIMATE.start_getNumbers2_#res#1.offset|) (= |~#numbers3~0.offset| 0) (= |~#numbers2~0.base| 2) (<= |ULTIMATE.start_getNumbers2_~i~1#1| 2147483647) (<= 2 |ULTIMATE.start_getNumbers2_#res#1.base|) (<= 0 |ULTIMATE.start_getNumbers3_~numbers~1#1.offset|) (= 3 |~#numbers3~0.base|) (<= 1 |ULTIMATE.start_getNumbers_#res#1.base|) (<= 1 |ULTIMATE.start_getNumbers2_~numbers~0#1.base|) (<= |ULTIMATE.start_getNumbers2_#res#1.offset| 0) (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647) (<= 0 |ULTIMATE.start_getNumbers_#res#1.offset|) (<= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (= |~#array~0.offset| 0) (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.offset| 0) (= |~#array~0.base| 1) (<= |ULTIMATE.start_getNumbers2_#res#1.base| 2) (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.base| 1) (<= 0 |ULTIMATE.start_getNumbers2_~numbers~0#1.offset|) (<= 0 |ULTIMATE.start_getNumbers3_~i~2#1|) (= |#NULL.offset| 0) (= |~#numbers4~0.offset| 0) (<= 10 |ULTIMATE.start_getNumbers2_~i~1#1|) (<= 2 |ULTIMATE.start_getNumbers3_~numbers~1#1.base|) (= |~#numbers2~0.offset| 0) (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.offset| 0) (<= |ULTIMATE.start_getNumbers_#res#1.base| 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2022-11-25 23:18:54,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-25 23:18:54,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-11-25 23:18:54,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:18:54,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-25 23:18:54,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-25 23:18:54,696 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2022-11-25 23:18:54,696 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-25 23:18:54,697 INFO L895 garLoopResultBuilder]: At program point L8-4(lines 8 10) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_getNumbers_~i~0#1|))) (and (or .cse0 (let ((.cse1 ((as const (Array Int Int)) 0))) (and (= 40 (select |#length| 3)) (= (select |#valid| 3) 1) (= .cse1 (select |#memory_int| |~#numbers2~0.base|)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= 40 (select |#length| 1)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= .cse1 (select |#memory_int| |~#numbers3~0.base|)) (= 40 (select |#length| 4)) (= .cse1 (select |#memory_int| |~#array~0.base|)) (= .cse1 (select |#memory_int| |~#numbers4~0.base|)) (< 0 |#StackHeapBarrier|) (= 40 (select |#length| 2))))) (let ((.cse2 (<= |~#numbers4~0.base| 4)) (.cse3 (<= 0 |~#array~0.offset|)) (.cse4 (<= 3 |~#numbers3~0.base|)) (.cse5 (<= 1 |~#array~0.base|)) (.cse6 (<= 4 |~#numbers4~0.base|)) (.cse7 (<= |#NULL.offset| 0)) (.cse8 (<= |~#array~0.base| 1)) (.cse9 (<= |~#numbers3~0.base| 3)) (.cse10 (<= |~#numbers3~0.offset| 0)) (.cse11 (<= 2 |~#numbers2~0.base|)) (.cse12 (<= |~#numbers2~0.base| 2)) (.cse13 (<= 0 |~#numbers3~0.offset|)) (.cse14 (<= 0 |#NULL.offset|)) (.cse15 (<= |~#array~0.offset| 0))) (or (and (<= 0 |ULTIMATE.start_getNumbers_~i~0#1|) .cse2 .cse3 (<= |ULTIMATE.start_getNumbers_~i~0#1| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647) .cse11 .cse12 .cse13 .cse14 .cse15))) (= |~#numbers4~0.offset| 0) (= |~#numbers2~0.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-25 23:18:54,697 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 39) no Hoare annotation was computed. [2022-11-25 23:18:54,697 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-25 23:18:54,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-11-25 23:18:54,698 INFO L895 garLoopResultBuilder]: At program point L37-4(lines 37 39) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.base| 2)) (.cse1 (<= 10 |ULTIMATE.start_getNumbers3_~i~2#1|)) (.cse2 (<= |ULTIMATE.start_getNumbers3_~i~2#1| 2147483647)) (.cse3 (<= 10 |ULTIMATE.start_getNumbers_~i~0#1|)) (.cse4 (= 4 |~#numbers4~0.base|)) (.cse5 (<= 0 |ULTIMATE.start_getNumbers2_#res#1.offset|)) (.cse6 (= |~#numbers3~0.offset| 0)) (.cse7 (= |~#numbers2~0.base| 2)) (.cse8 (<= |ULTIMATE.start_getNumbers2_~i~1#1| 2147483647)) (.cse9 (<= 2 |ULTIMATE.start_getNumbers2_#res#1.base|)) (.cse10 (<= 0 |ULTIMATE.start_getNumbers3_~numbers~1#1.offset|)) (.cse11 (= 3 |~#numbers3~0.base|)) (.cse12 (<= 1 |ULTIMATE.start_getNumbers_#res#1.base|)) (.cse13 (<= 1 |ULTIMATE.start_getNumbers2_~numbers~0#1.base|)) (.cse14 (<= |ULTIMATE.start_getNumbers2_#res#1.offset| 0)) (.cse15 (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647)) (.cse16 (<= 0 |ULTIMATE.start_getNumbers_#res#1.offset|)) (.cse17 (<= |ULTIMATE.start_getNumbers_#res#1.offset| 0)) (.cse18 (= |~#array~0.offset| 0)) (.cse19 (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.offset| 0)) (.cse20 (= |~#array~0.base| 1)) (.cse21 (<= |ULTIMATE.start_getNumbers2_#res#1.base| 2)) (.cse22 (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.base| 1)) (.cse23 (<= 0 |ULTIMATE.start_getNumbers2_~numbers~0#1.offset|)) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= |~#numbers4~0.offset| 0)) (.cse26 (<= 10 |ULTIMATE.start_getNumbers2_~i~1#1|)) (.cse27 (<= 2 |ULTIMATE.start_getNumbers3_~numbers~1#1.base|)) (.cse28 (= |~#numbers2~0.offset| 0)) (.cse29 (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.offset| 0)) (.cse30 (<= |ULTIMATE.start_getNumbers_#res#1.base| 1)) (.cse31 (<= 0 |#StackHeapBarrier|)) (.cse32 (= |#NULL.base| 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getNumbers3_#res#1.base| |~#numbers3~0.base|) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= |ULTIMATE.start_getNumbers3_#res#1.base| |ULTIMATE.start_getNumbers4_~numbers~2#1.base|) .cse12 .cse13 (= |ULTIMATE.start_getNumbers4_~i~3#1| 0) .cse14 .cse15 .cse16 (= |ULTIMATE.start_getNumbers3_#res#1.offset| |ULTIMATE.start_getNumbers4_~numbers~2#1.offset|) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (= |ULTIMATE.start_getNumbers3_#res#1.offset| |~#numbers3~0.offset|) .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 (<= 3 |ULTIMATE.start_getNumbers4_~numbers~2#1.base|) (<= |ULTIMATE.start_getNumbers3_#res#1.offset| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 3 |ULTIMATE.start_getNumbers3_#res#1.base|) (<= |ULTIMATE.start_getNumbers4_~numbers~2#1.base| 3) .cse10 .cse11 (<= 0 |ULTIMATE.start_getNumbers3_#res#1.offset|) (<= |ULTIMATE.start_getNumbers4_~numbers~2#1.offset| 0) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 |ULTIMATE.start_getNumbers4_~numbers~2#1.offset|) .cse19 .cse20 .cse21 .cse22 .cse23 (<= 1 |ULTIMATE.start_getNumbers4_~i~3#1|) .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 (<= |ULTIMATE.start_getNumbers3_#res#1.base| 3) .cse32 (<= |ULTIMATE.start_getNumbers4_~i~3#1| 2147483647)))) [2022-11-25 23:18:54,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:18:54,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-25 23:18:54,699 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-25 23:18:54,699 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-25 23:18:54,699 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2022-11-25 23:18:54,699 INFO L895 garLoopResultBuilder]: At program point L46-5(lines 46 48) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.base| 2)) (.cse1 (<= 10 |ULTIMATE.start_getNumbers3_~i~2#1|)) (.cse2 (<= 4 |ULTIMATE.start_getNumbers4_#res#1.base|)) (.cse3 (<= 3 |ULTIMATE.start_getNumbers4_~numbers~2#1.base|)) (.cse4 (<= 0 |#NULL.base|)) (.cse5 (<= |ULTIMATE.start_getNumbers3_#res#1.offset| 0)) (.cse6 (<= |~#numbers4~0.offset| 0)) (.cse7 (<= |ULTIMATE.start_getNumbers4_#res#1.base| 4)) (.cse8 (<= |ULTIMATE.start_getNumbers3_~i~2#1| 2147483647)) (.cse9 (<= |~#numbers4~0.base| 4)) (.cse10 (<= 10 |ULTIMATE.start_getNumbers_~i~0#1|)) (.cse11 (<= 0 |ULTIMATE.start_getNumbers2_#res#1.offset|)) (.cse12 (<= 0 |~#array~0.offset|)) (.cse13 (<= |ULTIMATE.start_main_~numbers~3#1.offset| 0)) (.cse14 (<= |ULTIMATE.start_getNumbers2_~i~1#1| 2147483647)) (.cse15 (<= 0 |ULTIMATE.start_getNumbers4_#res#1.offset|)) (.cse16 (<= 3 |~#numbers3~0.base|)) (.cse17 (<= 1 |~#array~0.base|)) (.cse18 (<= 2 |ULTIMATE.start_getNumbers2_#res#1.base|)) (.cse19 (<= 3 |ULTIMATE.start_getNumbers3_#res#1.base|)) (.cse20 (<= 4 |~#numbers4~0.base|)) (.cse21 (<= |ULTIMATE.start_getNumbers4_~numbers~2#1.base| 3)) (.cse22 (<= |#NULL.offset| 0)) (.cse23 (<= 0 |ULTIMATE.start_getNumbers3_~numbers~1#1.offset|)) (.cse24 (<= 10 |ULTIMATE.start_getNumbers4_~i~3#1|)) (.cse25 (<= |~#numbers2~0.offset| 0)) (.cse26 (<= |~#array~0.base| 1)) (.cse27 (<= 0 |ULTIMATE.start_getNumbers3_#res#1.offset|)) (.cse28 (<= 4 |ULTIMATE.start_main_~numbers~3#1.base|)) (.cse29 (<= |ULTIMATE.start_getNumbers4_~numbers~2#1.offset| 0)) (.cse30 (<= 1 |ULTIMATE.start_getNumbers_#res#1.base|)) (.cse31 (<= 1 |ULTIMATE.start_getNumbers2_~numbers~0#1.base|)) (.cse32 (<= |~#numbers3~0.base| 3)) (.cse33 (<= |ULTIMATE.start_getNumbers2_#res#1.offset| 0)) (.cse34 (<= |~#numbers3~0.offset| 0)) (.cse35 (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647)) (.cse36 (<= 0 |ULTIMATE.start_getNumbers_#res#1.offset|)) (.cse37 (<= |ULTIMATE.start_getNumbers_#res#1.offset| 0)) (.cse38 (<= 2 |~#numbers2~0.base|)) (.cse39 (<= |ULTIMATE.start_main_~numbers~3#1.base| 4)) (.cse40 (<= 0 |ULTIMATE.start_getNumbers4_~numbers~2#1.offset|)) (.cse41 (<= |#NULL.base| 0)) (.cse42 (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.offset| 0)) (.cse43 (<= 0 |ULTIMATE.start_main_~numbers~3#1.offset|)) (.cse44 (<= |~#numbers2~0.base| 2)) (.cse45 (<= |ULTIMATE.start_getNumbers2_#res#1.base| 2)) (.cse46 (<= 0 |~#numbers2~0.offset|)) (.cse47 (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.base| 1)) (.cse48 (<= 0 |ULTIMATE.start_getNumbers2_~numbers~0#1.offset|)) (.cse49 (<= 0 |~#numbers3~0.offset|)) (.cse50 (<= 10 |ULTIMATE.start_getNumbers2_~i~1#1|)) (.cse51 (<= 2 |ULTIMATE.start_getNumbers3_~numbers~1#1.base|)) (.cse52 (<= |ULTIMATE.start_getNumbers3_~numbers~1#1.offset| 0)) (.cse53 (<= 0 |~#numbers4~0.offset|)) (.cse54 (<= 0 |#NULL.offset|)) (.cse55 (<= |ULTIMATE.start_getNumbers_#res#1.base| 1)) (.cse56 (<= |~#array~0.offset| 0)) (.cse57 (<= 0 |#StackHeapBarrier|)) (.cse58 (<= |ULTIMATE.start_getNumbers3_#res#1.base| 3)) (.cse59 (<= |ULTIMATE.start_getNumbers4_#res#1.offset| 0)) (.cse60 (<= |ULTIMATE.start_getNumbers4_~i~3#1| 2147483647))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 (<= 1 |ULTIMATE.start_main_~i~4#1|) .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 (<= |ULTIMATE.start_main_~i~4#1| 2147483647) .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= |ULTIMATE.start_main_~i~4#1| 0) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 (<= 0 |ULTIMATE.start_main_~i~4#1|) .cse60))) [2022-11-25 23:18:54,700 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-25 23:18:54,700 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 18 20) no Hoare annotation was computed. [2022-11-25 23:18:54,700 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-11-25 23:18:54,700 INFO L895 garLoopResultBuilder]: At program point L18-4(lines 18 20) the Hoare annotation is: (and (<= 3 |~#numbers3~0.base|) (<= 1 |~#array~0.base|) (<= 4 |~#numbers4~0.base|) (let ((.cse0 (<= |~#numbers4~0.base| 4)) (.cse1 (<= 10 |ULTIMATE.start_getNumbers_~i~0#1|)) (.cse2 (<= 0 |~#array~0.offset|))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getNumbers2_~i~1#1| 2147483647) (<= 1 |ULTIMATE.start_getNumbers2_~i~1#1|)) (and (<= 0 |ULTIMATE.start_getNumbers2_~i~1#1|) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getNumbers2_~i~1#1| 0)))) (<= |#NULL.offset| 0) (<= |~#numbers2~0.offset| 0) (<= |~#array~0.base| 1) (<= 1 |ULTIMATE.start_getNumbers_#res#1.base|) (<= 1 |ULTIMATE.start_getNumbers2_~numbers~0#1.base|) (<= |~#numbers3~0.base| 3) (<= |~#numbers3~0.offset| 0) (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647) (<= 0 |ULTIMATE.start_getNumbers_#res#1.offset|) (<= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (<= 2 |~#numbers2~0.base|) (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.offset| 0) (<= |~#numbers2~0.base| 2) (<= 0 |~#numbers2~0.offset|) (<= |ULTIMATE.start_getNumbers2_~numbers~0#1.base| 1) (<= 0 |ULTIMATE.start_getNumbers2_~numbers~0#1.offset|) (<= 0 |~#numbers3~0.offset|) (= |~#numbers4~0.offset| 0) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_getNumbers_#res#1.base| 1) (<= |~#array~0.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2022-11-25 23:18:54,701 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-25 23:18:54,704 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:54,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:18:54,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 23:18:54,762 INFO L158 Benchmark]: Toolchain (without parser) took 34901.72ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 134.0MB in the beginning and 91.9MB in the end (delta: 42.1MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. [2022-11-25 23:18:54,762 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 96.3MB in the end (delta: 144.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:18:54,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.97ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 125.3MB in the end (delta: 8.4MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-25 23:18:54,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.39ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:18:54,763 INFO L158 Benchmark]: Boogie Preprocessor took 62.81ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 121.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:18:54,763 INFO L158 Benchmark]: RCFGBuilder took 618.33ms. Allocated memory is still 163.6MB. Free memory was 121.8MB in the beginning and 105.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:18:54,764 INFO L158 Benchmark]: TraceAbstraction took 33884.71ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 105.0MB in the beginning and 91.9MB in the end (delta: 13.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2022-11-25 23:18:54,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 96.3MB in the end (delta: 144.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.97ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 125.3MB in the end (delta: 8.4MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.39ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.81ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 121.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.33ms. Allocated memory is still 163.6MB. Free memory was 121.8MB in the beginning and 105.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33884.71ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 105.0MB in the beginning and 91.9MB in the end (delta: 13.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 33.7s, OverallIterations: 16, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 415 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 222 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 368 GetRequests, 277 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=15, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 17 NumberOfFragments, 1028 HoareAnnotationTreeSize, 5 FomulaSimplifications, 111 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 3831 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 434 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 670 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1397 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 32 InterpolantComputations, 13 PerfectInterpolantSequences, 145/164 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 4.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 129, TOOLS_POST_TIME: 3.4s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 129, TOOLS_QUANTIFIERELIM_TIME: 3.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 227, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 18, DOMAIN_WIDEN_TIME: 0.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 27, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 2.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 27, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 2287, DAG_COMPRESSION_RETAINED_NODES: 134, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((numbers <= 2 && 10 <= i) && \result == numbers3) && i <= 2147483647) && 10 <= i) && 4 == numbers4) && 0 <= \result) && numbers3 == 0) && numbers2 == 2) && i <= 2147483647) && 2 <= \result) && 0 <= numbers) && 3 == numbers3) && \result == numbers) && 1 <= \result) && 1 <= numbers) && i == 0) && \result <= 0) && i <= 2147483647) && 0 <= \result) && \result == numbers) && \result <= 0) && array == 0) && numbers <= 0) && array == 1) && \result <= 2) && numbers <= 1) && 0 <= numbers) && #NULL == 0) && numbers4 == 0) && 10 <= i) && \result == numbers3) && 2 <= numbers) && numbers2 == 0) && numbers <= 0) && \result <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((((numbers <= 2 && 10 <= i) && 3 <= numbers) && \result <= 0) && i <= 2147483647) && 10 <= i) && 4 == numbers4) && 0 <= \result) && numbers3 == 0) && numbers2 == 2) && i <= 2147483647) && 2 <= \result) && 3 <= \result) && numbers <= 3) && 0 <= numbers) && 3 == numbers3) && 0 <= \result) && numbers <= 0) && 1 <= \result) && 1 <= numbers) && \result <= 0) && i <= 2147483647) && 0 <= \result) && \result <= 0) && array == 0) && 0 <= numbers) && numbers <= 0) && array == 1) && \result <= 2) && numbers <= 1) && 0 <= numbers) && 1 <= i) && #NULL == 0) && numbers4 == 0) && 10 <= i) && 2 <= numbers) && numbers2 == 0) && numbers <= 0) && \result <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && \result <= 3) && #NULL == 0) && i <= 2147483647) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((numbers <= 2 && 10 <= i) && 4 <= \result) && 3 <= numbers) && 0 <= #NULL) && \result <= 0) && numbers4 <= 0) && \result <= 4) && i <= 2147483647) && numbers4 <= 4) && 10 <= i) && 0 <= \result) && 0 <= array) && numbers <= 0) && i <= 2147483647) && 0 <= \result) && 3 <= numbers3) && 1 <= array) && 2 <= \result) && 3 <= \result) && 4 <= numbers4) && numbers <= 3) && #NULL <= 0) && 0 <= numbers) && 10 <= i) && numbers2 <= 0) && array <= 1) && 0 <= \result) && 4 <= numbers) && numbers <= 0) && 1 <= \result) && 1 <= numbers) && numbers3 <= 3) && \result <= 0) && numbers3 <= 0) && i <= 2147483647) && 0 <= \result) && \result <= 0) && 1 <= i) && 2 <= numbers2) && numbers <= 4) && 0 <= numbers) && #NULL <= 0) && numbers <= 0) && 0 <= numbers) && numbers2 <= 2) && \result <= 2) && 0 <= numbers2) && numbers <= 1) && 0 <= numbers) && 0 <= numbers3) && 10 <= i) && 2 <= numbers) && numbers <= 0) && 0 <= numbers4) && i <= 2147483647) && 0 <= #NULL) && \result <= 1) && array <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && \result <= 3) && \result <= 0) && i <= 2147483647) || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((numbers <= 2 && 10 <= i) && 4 <= \result) && 3 <= numbers) && 0 <= #NULL) && \result <= 0) && numbers4 <= 0) && \result <= 4) && i <= 2147483647) && numbers4 <= 4) && 10 <= i) && 0 <= \result) && 0 <= array) && numbers <= 0) && i <= 0) && i <= 2147483647) && 0 <= \result) && 3 <= numbers3) && 1 <= array) && 2 <= \result) && 3 <= \result) && 4 <= numbers4) && numbers <= 3) && #NULL <= 0) && 0 <= numbers) && 10 <= i) && numbers2 <= 0) && array <= 1) && 0 <= \result) && 4 <= numbers) && numbers <= 0) && 1 <= \result) && 1 <= numbers) && numbers3 <= 3) && \result <= 0) && numbers3 <= 0) && i <= 2147483647) && 0 <= \result) && \result <= 0) && 2 <= numbers2) && numbers <= 4) && 0 <= numbers) && #NULL <= 0) && numbers <= 0) && 0 <= numbers) && numbers2 <= 2) && \result <= 2) && 0 <= numbers2) && numbers <= 1) && 0 <= numbers) && 0 <= numbers3) && 10 <= i) && 2 <= numbers) && numbers <= 0) && 0 <= numbers4) && 0 <= #NULL) && \result <= 1) && array <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && \result <= 3) && \result <= 0) && 0 <= i) && i <= 2147483647) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((3 <= numbers3 && 1 <= array) && 4 <= numbers4) && (((((numbers4 <= 4 && 10 <= i) && 0 <= array) && i <= 2147483647) && 1 <= i) || ((((0 <= i && numbers4 <= 4) && 10 <= i) && 0 <= array) && i <= 0))) && #NULL <= 0) && numbers2 <= 0) && array <= 1) && 1 <= \result) && 1 <= numbers) && numbers3 <= 3) && numbers3 <= 0) && i <= 2147483647) && 0 <= \result) && \result <= 0) && 2 <= numbers2) && numbers <= 0) && numbers2 <= 2) && 0 <= numbers2) && numbers <= 1) && 0 <= numbers) && 0 <= numbers3) && numbers4 == 0) && 0 <= #NULL) && \result <= 1) && array <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-25 23:18:54,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur --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 6bc6b4117baccd9c0c047fce306a2f95fb55fa90595dfb64eaa429319b56a306 --- 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-38b53e6 [2022-11-25 23:18:57,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:18:57,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:18:57,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:18:57,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:18:57,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:18:57,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:18:57,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:18:57,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:18:57,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:18:57,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:18:57,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:18:57,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:18:57,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:18:57,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:18:57,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:18:57,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:18:57,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:18:57,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:18:57,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:18:57,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:18:57,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:18:57,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:18:57,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:18:57,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:18:57,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:18:57,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:18:57,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:18:57,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:18:57,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:18:57,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:18:57,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:18:57,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:18:57,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:18:57,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:18:57,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:18:57,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:18:57,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:18:57,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:18:57,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:18:57,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:18:57,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-25 23:18:57,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:18:57,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:18:57,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:18:57,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:18:57,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:18:57,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:18:57,443 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:18:57,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:18:57,443 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:18:57,444 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:18:57,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:18:57,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:18:57,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:18:57,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:18:57,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:18:57,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:18:57,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:18:57,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:18:57,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:18:57,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:18:57,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:18:57,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:18:57,449 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:18:57,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:18:57,450 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:18:57,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:18:57,450 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:18:57,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:18:57,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:18:57,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:18:57,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:18:57,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:57,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:18:57,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:18:57,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:18:57,453 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:18:57,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:18:57,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:18:57,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:18:57,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:18:57,455 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc6b4117baccd9c0c047fce306a2f95fb55fa90595dfb64eaa429319b56a306 [2022-11-25 23:18:57,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:18:57,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:18:57,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:18:57,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:18:57,862 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:18:57,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c [2022-11-25 23:19:01,106 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:19:01,358 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:19:01,359 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c [2022-11-25 23:19:01,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data/4f1732c36/ddfe3c71113e4759b9ef76da2255bac4/FLAGeea33da98 [2022-11-25 23:19:01,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/data/4f1732c36/ddfe3c71113e4759b9ef76da2255bac4 [2022-11-25 23:19:01,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:19:01,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:19:01,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:01,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:19:01,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:19:01,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac20b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01, skipping insertion in model container [2022-11-25 23:19:01,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:19:01,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:19:01,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:01,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:19:01,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:01,610 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:19:01,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01 WrapperNode [2022-11-25 23:19:01,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:01,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:01,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:19:01,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:19:01,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,674 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2022-11-25 23:19:01,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:01,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:19:01,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:19:01,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:19:01,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:19:01,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:19:01,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:19:01,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:19:01,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (1/1) ... [2022-11-25 23:19:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:01,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:01,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:19:01,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:19:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:19:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 23:19:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:19:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:19:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 23:19:01,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:19:01,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:19:02,277 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:19:02,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:19:02,283 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-25 23:19:02,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:02 BoogieIcfgContainer [2022-11-25 23:19:02,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:19:02,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:19:02,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:19:02,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:19:02,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:19:01" (1/3) ... [2022-11-25 23:19:02,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d276e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:02, skipping insertion in model container [2022-11-25 23:19:02,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:01" (2/3) ... [2022-11-25 23:19:02,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d276e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:02, skipping insertion in model container [2022-11-25 23:19:02,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:02" (3/3) ... [2022-11-25 23:19:02,294 INFO L112 eAbstractionObserver]: Analyzing ICFG getNumbers4-1.c [2022-11-25 23:19:02,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:19:02,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 23:19:02,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:19:02,388 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;@4e86de37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:19:02,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 23:19:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 39 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) [2022-11-25 23:19:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:19:02,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:02,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:19:02,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:02,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:02,407 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-25 23:19:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:02,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564647575] [2022-11-25 23:19:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:02,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:02,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:02,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:02,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:19:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:02,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 23:19:02,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:02,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:02,560 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:02,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564647575] [2022-11-25 23:19:02,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564647575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:02,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:02,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:19:02,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256241654] [2022-11-25 23:19:02,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:02,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:19:02,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:19:02,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:19:02,596 INFO L87 Difference]: Start difference. First operand has 40 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 39 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:02,612 INFO L93 Difference]: Finished difference Result 69 states and 89 transitions. [2022-11-25 23:19:02,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:19:02,614 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:19:02,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:02,622 INFO L225 Difference]: With dead ends: 69 [2022-11-25 23:19:02,622 INFO L226 Difference]: Without dead ends: 31 [2022-11-25 23:19:02,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:19:02,628 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:02,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-25 23:19:02,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-25 23:19:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-11-25 23:19:02,656 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 4 [2022-11-25 23:19:02,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:02,657 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-11-25 23:19:02,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-25 23:19:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:19:02,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:02,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:19:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-25 23:19:02,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:02,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:02,860 INFO L85 PathProgramCache]: Analyzing trace with hash 28698760, now seen corresponding path program 1 times [2022-11-25 23:19:02,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:02,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496703082] [2022-11-25 23:19:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:02,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:02,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:02,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:02,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:19:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:02,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:02,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:02,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:02,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:02,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496703082] [2022-11-25 23:19:02,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496703082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:02,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:02,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:19:02,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446822195] [2022-11-25 23:19:02,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:02,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:02,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:02,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:02,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:02,989 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-11-25 23:19:03,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:03,025 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2022-11-25 23:19:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:03,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2022-11-25 23:19:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:03,040 INFO L225 Difference]: With dead ends: 60 [2022-11-25 23:19:03,040 INFO L226 Difference]: Without dead ends: 34 [2022-11-25 23:19:03,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:03,042 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:03,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:03,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-25 23:19:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-25 23:19:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.3103448275862069) 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) [2022-11-25 23:19:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-11-25 23:19:03,048 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 5 [2022-11-25 23:19:03,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:03,048 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-25 23:19:03,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-11-25 23:19:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-25 23:19:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:19:03,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:03,049 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-11-25 23:19:03,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:03,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:03,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:03,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash 266307074, now seen corresponding path program 1 times [2022-11-25 23:19:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:03,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332547706] [2022-11-25 23:19:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:03,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 23:19:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:03,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:03,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:03,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:03,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:03,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332547706] [2022-11-25 23:19:03,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332547706] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:03,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1741550399] [2022-11-25 23:19:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:03,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:03,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:03,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:03,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-25 23:19:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:03,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:03,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:03,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:03,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1741550399] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:03,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216229807] [2022-11-25 23:19:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:03,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:03,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:03,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:03,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:19:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:03,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:03,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:03,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:03,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216229807] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:03,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:19:03,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3, 3, 3, 3] total 5 [2022-11-25 23:19:03,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140943316] [2022-11-25 23:19:03,789 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:19:03,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:19:03,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:03,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:19:03,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:19:03,791 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-11-25 23:19:03,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:03,891 INFO L93 Difference]: Finished difference Result 88 states and 101 transitions. [2022-11-25 23:19:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:19:03,892 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 8 [2022-11-25 23:19:03,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:03,893 INFO L225 Difference]: With dead ends: 88 [2022-11-25 23:19:03,893 INFO L226 Difference]: Without dead ends: 62 [2022-11-25 23:19:03,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:19:03,895 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 87 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:03,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 117 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-25 23:19:03,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 34. [2022-11-25 23:19:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.2666666666666666) 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) [2022-11-25 23:19:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-11-25 23:19:03,922 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 8 [2022-11-25 23:19:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:03,923 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-25 23:19:03,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-11-25 23:19:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-25 23:19:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:19:03,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:03,929 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:03,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:04,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:04,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:04,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:04,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:04,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1659750409, now seen corresponding path program 1 times [2022-11-25 23:19:04,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:04,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675332984] [2022-11-25 23:19:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:04,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:04,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 23:19:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:04,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:04,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:04,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:04,731 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:04,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675332984] [2022-11-25 23:19:04,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675332984] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:04,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [989887238] [2022-11-25 23:19:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:04,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:04,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:04,733 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:04,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-25 23:19:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:04,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:04,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:04,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:04,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [989887238] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:04,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297076427] [2022-11-25 23:19:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:04,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:04,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:04,887 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:04,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:19:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:04,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:04,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:04,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:04,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297076427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:04,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-25 23:19:04,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5, 5] total 9 [2022-11-25 23:19:04,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255902509] [2022-11-25 23:19:04,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:04,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:04,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:04,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:04,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:19:04,987 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:05,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:05,016 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2022-11-25 23:19:05,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:05,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 14 [2022-11-25 23:19:05,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:05,018 INFO L225 Difference]: With dead ends: 57 [2022-11-25 23:19:05,018 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 23:19:05,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:19:05,019 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:05,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 23:19:05,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-25 23:19:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2424242424242424) 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) [2022-11-25 23:19:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-11-25 23:19:05,040 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 14 [2022-11-25 23:19:05,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:05,041 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-11-25 23:19:05,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-11-25 23:19:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:19:05,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:05,044 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:05,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:05,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:05,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:05,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:05,656 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:05,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:05,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1960864282, now seen corresponding path program 1 times [2022-11-25 23:19:05,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:05,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897037766] [2022-11-25 23:19:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:05,658 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:05,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-25 23:19:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:05,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:05,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:19:05,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:19:05,827 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:05,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897037766] [2022-11-25 23:19:05,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897037766] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:05,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1019014769] [2022-11-25 23:19:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:05,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:05,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:05,830 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:05,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-25 23:19:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:05,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:05,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:19:05,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:19:06,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1019014769] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:06,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394475047] [2022-11-25 23:19:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:06,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:06,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:06,007 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:06,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 23:19:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:06,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:06,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:06,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:06,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394475047] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:06,215 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:19:06,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 3, 3] total 12 [2022-11-25 23:19:06,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354438888] [2022-11-25 23:19:06,216 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:19:06,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:19:06,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:06,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:19:06,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:19:06,217 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:06,495 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2022-11-25 23:19:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:19:06,496 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-25 23:19:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:06,498 INFO L225 Difference]: With dead ends: 99 [2022-11-25 23:19:06,499 INFO L226 Difference]: Without dead ends: 71 [2022-11-25 23:19:06,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:19:06,501 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 76 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:06,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 167 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:19:06,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-25 23:19:06,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 49. [2022-11-25 23:19:06,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 48 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-11-25 23:19:06,520 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 17 [2022-11-25 23:19:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:06,521 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-11-25 23:19:06,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-11-25 23:19:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 23:19:06,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:06,522 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:06,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:06,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:06,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:07,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:07,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:07,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash 651036539, now seen corresponding path program 1 times [2022-11-25 23:19:07,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:07,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655496378] [2022-11-25 23:19:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:07,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:07,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:07,143 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:07,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-25 23:19:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:07,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:07,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:07,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:07,527 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:07,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655496378] [2022-11-25 23:19:07,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655496378] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:07,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2102078465] [2022-11-25 23:19:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:07,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:07,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:07,530 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:07,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-11-25 23:19:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:07,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:07,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:07,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:19:07,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2102078465] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:07,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277950804] [2022-11-25 23:19:07,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:07,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:07,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:07,825 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:07,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 23:19:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:07,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:07,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-25 23:19:07,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:07,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277950804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:07,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-25 23:19:07,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 9, 9, 9] total 17 [2022-11-25 23:19:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896240243] [2022-11-25 23:19:07,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:07,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:07,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:07,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:19:07,983 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:08,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:08,013 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2022-11-25 23:19:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:08,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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 35 [2022-11-25 23:19:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:08,015 INFO L225 Difference]: With dead ends: 66 [2022-11-25 23:19:08,015 INFO L226 Difference]: Without dead ends: 52 [2022-11-25 23:19:08,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:19:08,018 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:08,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:08,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-25 23:19:08,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-25 23:19:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 51 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-11-25 23:19:08,038 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 35 [2022-11-25 23:19:08,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:08,039 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-11-25 23:19:08,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-11-25 23:19:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 23:19:08,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:08,041 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:08,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2022-11-25 23:19:08,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:08,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:08,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:08,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:08,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:08,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1042697835, now seen corresponding path program 1 times [2022-11-25 23:19:08,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:08,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747739741] [2022-11-25 23:19:08,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:08,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:08,647 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:08,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-25 23:19:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:08,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:08,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:19:08,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:19:09,040 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:09,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747739741] [2022-11-25 23:19:09,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747739741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:09,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1440666040] [2022-11-25 23:19:09,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:09,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:09,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:09,042 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:09,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-25 23:19:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:09,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:09,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:19:09,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:19:09,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1440666040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:09,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692679077] [2022-11-25 23:19:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:09,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:09,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:09,325 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:09,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-25 23:19:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:09,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:09,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-25 23:19:09,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-25 23:19:09,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692679077] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:09,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:19:09,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 3, 3] total 20 [2022-11-25 23:19:09,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415238786] [2022-11-25 23:19:09,593 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:19:09,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-25 23:19:09,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:09,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 23:19:09,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2022-11-25 23:19:09,595 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:10,038 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2022-11-25 23:19:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 23:19:10,039 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-11-25 23:19:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:10,039 INFO L225 Difference]: With dead ends: 111 [2022-11-25 23:19:10,040 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 23:19:10,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2022-11-25 23:19:10,041 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 53 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:10,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 255 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:19:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 23:19:10,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 64. [2022-11-25 23:19:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.096774193548387) internal successors, (68), 63 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-11-25 23:19:10,063 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 38 [2022-11-25 23:19:10,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:10,063 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-11-25 23:19:10,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-11-25 23:19:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 23:19:10,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:10,067 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:10,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:10,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:10,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:10,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:10,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:10,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:10,679 INFO L85 PathProgramCache]: Analyzing trace with hash 115891210, now seen corresponding path program 1 times [2022-11-25 23:19:10,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:10,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966620655] [2022-11-25 23:19:10,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:10,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:10,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:10,682 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:10,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-25 23:19:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:10,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:10,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 23:19:10,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 23:19:10,924 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:10,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966620655] [2022-11-25 23:19:10,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966620655] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:10,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1757418755] [2022-11-25 23:19:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:10,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:10,927 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:10,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-25 23:19:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:11,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:11,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 23:19:11,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 23:19:11,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1757418755] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:11,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746540739] [2022-11-25 23:19:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:11,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:11,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:11,214 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:11,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-25 23:19:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:11,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:11,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:11,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:11,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746540739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:11,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-25 23:19:11,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5, 5] total 9 [2022-11-25 23:19:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961006154] [2022-11-25 23:19:11,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:11,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:11,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:19:11,359 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:11,387 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2022-11-25 23:19:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-11-25 23:19:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:11,389 INFO L225 Difference]: With dead ends: 75 [2022-11-25 23:19:11,389 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 23:19:11,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:19:11,390 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:11,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 23:19:11,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-25 23:19:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 65 states have (on average 1.0923076923076922) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:11,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2022-11-25 23:19:11,403 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 56 [2022-11-25 23:19:11,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:11,404 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2022-11-25 23:19:11,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-11-25 23:19:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 23:19:11,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:11,405 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:11,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:11,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:11,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:12,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:12,023 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:12,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:12,024 INFO L85 PathProgramCache]: Analyzing trace with hash -638572455, now seen corresponding path program 1 times [2022-11-25 23:19:12,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:12,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807753928] [2022-11-25 23:19:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:12,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:12,028 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:12,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-25 23:19:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:12,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:12,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-25 23:19:12,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-25 23:19:12,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:12,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807753928] [2022-11-25 23:19:12,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807753928] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:12,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [452763161] [2022-11-25 23:19:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:12,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:12,259 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:12,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-25 23:19:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:12,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:12,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-25 23:19:12,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-25 23:19:12,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [452763161] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:12,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229668933] [2022-11-25 23:19:12,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:12,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:12,556 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-25 23:19:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:12,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:12,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:12,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:12,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229668933] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:12,791 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:19:12,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 3, 3] total 12 [2022-11-25 23:19:12,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413267144] [2022-11-25 23:19:12,791 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:19:12,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:19:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:12,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:19:12,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:19:12,793 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:13,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:13,051 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2022-11-25 23:19:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:19:13,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 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 59 [2022-11-25 23:19:13,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:13,052 INFO L225 Difference]: With dead ends: 114 [2022-11-25 23:19:13,053 INFO L226 Difference]: Without dead ends: 89 [2022-11-25 23:19:13,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:19:13,054 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 32 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:13,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 180 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:19:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-25 23:19:13,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2022-11-25 23:19:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.064102564102564) internal successors, (83), 78 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2022-11-25 23:19:13,090 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 59 [2022-11-25 23:19:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:13,092 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2022-11-25 23:19:13,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-11-25 23:19:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-25 23:19:13,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:13,095 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:13,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:13,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:13,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:13,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:13,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:13,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:13,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1482883884, now seen corresponding path program 1 times [2022-11-25 23:19:13,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:13,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925522750] [2022-11-25 23:19:13,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:13,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:13,711 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:13,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-25 23:19:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:13,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:13,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:13,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:14,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:14,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925522750] [2022-11-25 23:19:14,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925522750] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:14,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1773700783] [2022-11-25 23:19:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:14,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:14,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:14,185 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:14,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2022-11-25 23:19:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:14,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:14,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:14,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-25 23:19:14,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1773700783] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:14,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072758352] [2022-11-25 23:19:14,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:14,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:14,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:14,599 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:14,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-25 23:19:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:14,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:19:14,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-25 23:19:14,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:14,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072758352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:14,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-25 23:19:14,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9, 9, 9] total 18 [2022-11-25 23:19:14,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229784723] [2022-11-25 23:19:14,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:14,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:14,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:14,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2022-11-25 23:19:14,851 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:14,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:14,900 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2022-11-25 23:19:14,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:14,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-11-25 23:19:14,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:14,902 INFO L225 Difference]: With dead ends: 84 [2022-11-25 23:19:14,903 INFO L226 Difference]: Without dead ends: 83 [2022-11-25 23:19:14,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:19:14,905 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:14,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 78 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:14,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-25 23:19:14,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-25 23:19:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.0609756097560976) internal successors, (87), 82 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2022-11-25 23:19:14,925 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 78 [2022-11-25 23:19:14,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:14,927 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2022-11-25 23:19:14,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-11-25 23:19:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 23:19:14,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:14,932 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:14,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:15,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-11-25 23:19:15,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2022-11-25 23:19:15,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:15,540 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1681124816, now seen corresponding path program 1 times [2022-11-25 23:19:15,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:15,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548653808] [2022-11-25 23:19:15,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:15,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:15,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:15,543 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:15,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-25 23:19:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:15,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:15,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-25 23:19:15,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-25 23:19:16,008 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:16,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548653808] [2022-11-25 23:19:16,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548653808] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:16,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1349505978] [2022-11-25 23:19:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:16,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-25 23:19:16,010 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 23:19:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2022-11-25 23:19:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:16,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:19:16,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-25 23:19:16,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-25 23:19:16,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1349505978] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:16,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289103627] [2022-11-25 23:19:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:16,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:19:16,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:16,443 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:19:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-25 23:19:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:16,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:19:16,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-25 23:19:16,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:19:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-25 23:19:16,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289103627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:19:16,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-25 23:19:16,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 5, 5] total 24 [2022-11-25 23:19:16,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738494595] [2022-11-25 23:19:16,924 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-25 23:19:16,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 23:19:16,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:16,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 23:19:16,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2022-11-25 23:19:16,926 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 24 states, 24 states have (on average 4.25) internal successors, (102), 24 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:17,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:17,632 INFO L93 Difference]: Finished difference Result 128 states and 140 transitions. [2022-11-25 23:19:17,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 23:19:17,633 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.25) internal successors, (102), 24 states have internal predecessors, (102), 0 states have call successors, (0), 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 82 [2022-11-25 23:19:17,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:17,633 INFO L225 Difference]: With dead ends: 128 [2022-11-25 23:19:17,633 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:19:17,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2022-11-25 23:19:17,634 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 20 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:17,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 292 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:19:17,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:19:17,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:19:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:19:17,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2022-11-25 23:19:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:17,636 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:19:17,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.25) internal successors, (102), 24 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:19:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:19:17,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:19:17,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 23:19:17,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 23:19:17,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 23:19:17,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 23:19:17,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 23:19:17,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 23:19:17,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 23:19:17,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 23:19:17,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 23:19:17,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 23:19:17,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2022-11-25 23:19:17,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:18,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-25 23:19:18,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:18,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:19:18,932 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-25 23:19:18,932 INFO L895 garLoopResultBuilder]: At program point L31(lines 24 32) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers3_~i~2#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33))) [2022-11-25 23:19:18,932 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 29) no Hoare annotation was computed. [2022-11-25 23:19:18,932 INFO L899 garLoopResultBuilder]: For program point L27-3(line 27) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L895 garLoopResultBuilder]: At program point L27-4(lines 27 29) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers3_~i~2#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33))) [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point L27-5(lines 27 29) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L895 garLoopResultBuilder]: At program point L40(lines 34 41) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers3_~i~2#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd (_ bv1 33) ((_ sign_extend 1) |ULTIMATE.start_getNumbers4_~i~3#1|)) (_ bv2147483647 33))) [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-25 23:19:18,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L895 garLoopResultBuilder]: At program point L12(lines 4 13) the Hoare annotation is: (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L895 garLoopResultBuilder]: At program point L8-4(lines 8 10) the Hoare annotation is: (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point L8-5(lines 8 10) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 39) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-25 23:19:18,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L895 garLoopResultBuilder]: At program point L37-4(lines 37 39) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers3_~i~2#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd (_ bv1 33) ((_ sign_extend 1) |ULTIMATE.start_getNumbers4_~i~3#1|)) (_ bv2147483647 33))) [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point L37-5(lines 37 39) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L895 garLoopResultBuilder]: At program point L21(lines 15 22) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33))) [2022-11-25 23:19:18,935 INFO L902 garLoopResultBuilder]: At program point L50(lines 43 51) the Hoare annotation is: true [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point L46-2(lines 46 48) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-25 23:19:18,935 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2022-11-25 23:19:18,936 INFO L895 garLoopResultBuilder]: At program point L46-5(lines 46 48) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers3_~i~2#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_main_~i~4#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd (_ bv1 33) ((_ sign_extend 1) |ULTIMATE.start_getNumbers4_~i~3#1|)) (_ bv2147483647 33))) [2022-11-25 23:19:18,936 INFO L899 garLoopResultBuilder]: For program point L46-6(lines 46 48) no Hoare annotation was computed. [2022-11-25 23:19:18,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-25 23:19:18,936 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 18 20) no Hoare annotation was computed. [2022-11-25 23:19:18,936 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-11-25 23:19:18,936 INFO L895 garLoopResultBuilder]: At program point L18-4(lines 18 20) the Hoare annotation is: (and (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers_~i~0#1|) (_ bv1 33)) (_ bv2147483647 33)) (bvsle (bvadd ((_ sign_extend 1) |ULTIMATE.start_getNumbers2_~i~1#1|) (_ bv1 33)) (_ bv2147483647 33))) [2022-11-25 23:19:18,936 INFO L899 garLoopResultBuilder]: For program point L18-5(lines 18 20) no Hoare annotation was computed. [2022-11-25 23:19:18,936 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-25 23:19:18,944 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:18,946 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:19:18,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:19:18 BoogieIcfgContainer [2022-11-25 23:19:18,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:19:18,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:19:18,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:19:18,973 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:19:18,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:02" (3/4) ... [2022-11-25 23:19:18,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:19:18,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 23:19:18,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:19:18,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:19:19,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:19:19,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:19:19,039 INFO L158 Benchmark]: Toolchain (without parser) took 17657.24ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 64.5MB in the beginning and 35.0MB in the end (delta: 29.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-11-25 23:19:19,039 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:19:19,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.32ms. Allocated memory is still 86.0MB. Free memory was 64.3MB in the beginning and 53.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 23:19:19,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.69ms. Allocated memory is still 86.0MB. Free memory was 53.6MB in the beginning and 51.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:19:19,041 INFO L158 Benchmark]: Boogie Preprocessor took 61.36ms. Allocated memory is still 86.0MB. Free memory was 51.7MB in the beginning and 50.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:19:19,042 INFO L158 Benchmark]: RCFGBuilder took 547.15ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 56.9MB in the end (delta: -6.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-25 23:19:19,042 INFO L158 Benchmark]: TraceAbstraction took 16684.17ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 56.1MB in the beginning and 39.2MB in the end (delta: 16.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2022-11-25 23:19:19,042 INFO L158 Benchmark]: Witness Printer took 66.12ms. Allocated memory is still 125.8MB. Free memory was 38.1MB in the beginning and 35.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:19:19,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.32ms. Allocated memory is still 86.0MB. Free memory was 64.3MB in the beginning and 53.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.69ms. Allocated memory is still 86.0MB. Free memory was 53.6MB in the beginning and 51.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.36ms. Allocated memory is still 86.0MB. Free memory was 51.7MB in the beginning and 50.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 547.15ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 56.9MB in the end (delta: -6.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 16684.17ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 56.1MB in the beginning and 39.2MB in the end (delta: 16.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Witness Printer took 66.12ms. Allocated memory is still 125.8MB. Free memory was 38.1MB in the beginning and 35.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 11, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 1357 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1041 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 989 IncrementalHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 316 mSDtfsCounter, 989 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2113 GetRequests, 1986 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=10, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 76 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 46 NumberOfFragments, 158 HoareAnnotationTreeSize, 10 FomulaSimplifications, 1708 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 2036 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1170 NumberOfCodeBlocks, 1170 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2096 ConstructedInterpolants, 0 QuantifiedInterpolants, 3696 SizeOfPredicates, 19 NumberOfNonLiveVariables, 3280 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 52 InterpolantComputations, 6 PerfectInterpolantSequences, 3798/4738 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(1bv33, ~sign_extendFrom32To33(i)), 2147483647bv33) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(1bv33, ~sign_extendFrom32To33(i)), 2147483647bv33) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(~sign_extendFrom32To33(i), 1bv33), 2147483647bv33)) && ~bvsle33(~bvadd128(1bv33, ~sign_extendFrom32To33(i)), 2147483647bv33) - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-25 23:19:19,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c451d8b0-7517-48c6-96ed-3057f4624e5d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE