./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/nr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba --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 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- 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-b5237d8 [2022-11-22 01:07:48,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:07:48,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:07:48,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:07:48,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:07:48,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:07:48,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:07:48,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:07:48,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:07:48,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:07:48,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:07:48,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:07:48,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:07:48,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:07:48,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:07:48,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:07:48,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:07:48,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:07:48,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:07:48,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:07:48,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:07:48,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:07:48,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:07:48,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:07:48,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:07:48,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:07:48,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:07:48,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:07:48,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:07:48,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:07:48,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:07:48,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:07:48,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:07:48,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:07:48,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:07:48,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:07:48,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:07:48,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:07:48,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:07:48,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:07:48,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:07:48,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:07:48,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:07:48,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:07:48,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:07:48,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:07:48,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:07:48,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:07:48,433 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:07:48,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:07:48,433 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:07:48,433 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:07:48,433 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:07:48,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:07:48,434 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:07:48,434 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:07:48,434 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:07:48,435 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:07:48,435 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:07:48,435 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:07:48,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:07:48,436 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:07:48,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:07:48,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:07:48,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:07:48,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:07:48,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:07:48,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:07:48,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:07:48,438 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:07:48,438 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:07:48,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:07:48,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:07:48,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:07:48,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:07:48,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:07:48,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:07:48,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:07:48,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:07:48,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:07:48,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:07:48,440 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:07:48,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:07:48,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:07:48,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:07:48,441 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_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2022-11-22 01:07:48,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:07:48,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:07:48,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:07:48,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:07:48,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:07:48,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/array-tiling/nr5.c [2022-11-22 01:07:51,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:07:52,036 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:07:52,037 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/sv-benchmarks/c/array-tiling/nr5.c [2022-11-22 01:07:52,043 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/data/3d7683481/092d9ef053c34b5eb5287bbeb80ba583/FLAGf3208cd58 [2022-11-22 01:07:52,058 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/data/3d7683481/092d9ef053c34b5eb5287bbeb80ba583 [2022-11-22 01:07:52,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:07:52,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:07:52,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:07:52,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:07:52,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:07:52,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e586191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52, skipping insertion in model container [2022-11-22 01:07:52,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:07:52,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:07:52,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2022-11-22 01:07:52,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:07:52,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:07:52,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2022-11-22 01:07:52,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:07:52,298 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:07:52,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52 WrapperNode [2022-11-22 01:07:52,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:07:52,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:07:52,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:07:52,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:07:52,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,353 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2022-11-22 01:07:52,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:07:52,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:07:52,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:07:52,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:07:52,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,378 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:07:52,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:07:52,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:07:52,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:07:52,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (1/1) ... [2022-11-22 01:07:52,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:07:52,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:07:52,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:07:52,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:07:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:07:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:07:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:07:52,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:07:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:07:52,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:07:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:07:52,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:07:52,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:07:52,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:07:52,741 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:07:52,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:07:52,848 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 01:07:52,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:52 BoogieIcfgContainer [2022-11-22 01:07:52,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:07:52,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:07:52,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:07:52,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:07:52,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:07:52" (1/3) ... [2022-11-22 01:07:52,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b43ad7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:52, skipping insertion in model container [2022-11-22 01:07:52,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:52" (2/3) ... [2022-11-22 01:07:52,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b43ad7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:52, skipping insertion in model container [2022-11-22 01:07:52,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:52" (3/3) ... [2022-11-22 01:07:52,873 INFO L112 eAbstractionObserver]: Analyzing ICFG nr5.c [2022-11-22 01:07:52,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:07:52,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-22 01:07:52,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:07:52,969 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;@6bf315b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:07:52,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-22 01:07:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:07:52,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:52,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:07:52,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:52,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:52,990 INFO L85 PathProgramCache]: Analyzing trace with hash 4507173, now seen corresponding path program 1 times [2022-11-22 01:07:53,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:53,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683803304] [2022-11-22 01:07:53,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:53,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:53,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:53,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683803304] [2022-11-22 01:07:53,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683803304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:53,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:53,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:07:53,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980887075] [2022-11-22 01:07:53,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:53,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:07:53,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:53,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:07:53,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:07:53,672 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 43 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:53,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:53,760 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-11-22 01:07:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:07:53,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-22 01:07:53,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:53,770 INFO L225 Difference]: With dead ends: 58 [2022-11-22 01:07:53,770 INFO L226 Difference]: Without dead ends: 39 [2022-11-22 01:07:53,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:07:53,776 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 92 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:53,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 37 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:07:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-22 01:07:53,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-22 01:07:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.68) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-22 01:07:53,812 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 4 [2022-11-22 01:07:53,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:53,813 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-22 01:07:53,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-11-22 01:07:53,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:07:53,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:53,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:53,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:07:53,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:53,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:53,815 INFO L85 PathProgramCache]: Analyzing trace with hash 647276565, now seen corresponding path program 1 times [2022-11-22 01:07:53,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:53,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83264594] [2022-11-22 01:07:53,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:53,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:53,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83264594] [2022-11-22 01:07:53,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83264594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:53,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:53,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:07:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228538501] [2022-11-22 01:07:53,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:53,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:07:53,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:53,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:07:53,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:07:53,876 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:53,961 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2022-11-22 01:07:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:07:53,962 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 [2022-11-22 01:07:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:53,964 INFO L225 Difference]: With dead ends: 98 [2022-11-22 01:07:53,966 INFO L226 Difference]: Without dead ends: 62 [2022-11-22 01:07:53,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:07:53,969 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:53,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 49 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:07:53,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-22 01:07:53,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2022-11-22 01:07:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-22 01:07:53,984 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 8 [2022-11-22 01:07:53,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:53,985 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-22 01:07:53,986 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) [2022-11-22 01:07:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-22 01:07:53,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:07:53,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:53,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:53,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:07:53,989 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:53,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1409365658, now seen corresponding path program 1 times [2022-11-22 01:07:53,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:53,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697447132] [2022-11-22 01:07:53,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:53,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:54,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:54,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697447132] [2022-11-22 01:07:54,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697447132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:54,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:54,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:07:54,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691619795] [2022-11-22 01:07:54,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:54,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:07:54,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:54,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:07:54,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:07:54,143 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:54,226 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-11-22 01:07:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:07:54,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:07:54,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:54,229 INFO L225 Difference]: With dead ends: 45 [2022-11-22 01:07:54,229 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:07:54,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:07:54,231 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:54,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:07:54,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:07:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-22 01:07:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 42 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2022-11-22 01:07:54,242 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 9 [2022-11-22 01:07:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:54,242 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2022-11-22 01:07:54,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-11-22 01:07:54,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:07:54,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:54,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:54,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:07:54,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:54,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:54,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1409346149, now seen corresponding path program 1 times [2022-11-22 01:07:54,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:54,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410348083] [2022-11-22 01:07:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:54,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:54,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:54,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410348083] [2022-11-22 01:07:54,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410348083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:54,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:54,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:07:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967004868] [2022-11-22 01:07:54,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:54,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:07:54,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:54,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:07:54,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:07:54,354 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:54,398 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2022-11-22 01:07:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:07:54,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:07:54,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:54,399 INFO L225 Difference]: With dead ends: 97 [2022-11-22 01:07:54,399 INFO L226 Difference]: Without dead ends: 57 [2022-11-22 01:07:54,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:07:54,409 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:54,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 53 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:07:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-22 01:07:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2022-11-22 01:07:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 43 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-11-22 01:07:54,416 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 9 [2022-11-22 01:07:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:54,417 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-11-22 01:07:54,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-22 01:07:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:07:54,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:54,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:54,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:07:54,418 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:54,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1409346469, now seen corresponding path program 1 times [2022-11-22 01:07:54,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:54,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467716687] [2022-11-22 01:07:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:54,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:54,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467716687] [2022-11-22 01:07:54,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467716687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:54,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:54,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:07:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105783352] [2022-11-22 01:07:54,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:54,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:07:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:54,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:07:54,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:07:54,502 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:54,642 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2022-11-22 01:07:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:07:54,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:07:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:54,649 INFO L225 Difference]: With dead ends: 77 [2022-11-22 01:07:54,649 INFO L226 Difference]: Without dead ends: 73 [2022-11-22 01:07:54,650 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 [2022-11-22 01:07:54,651 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 23 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:54,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 40 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:07:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-22 01:07:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2022-11-22 01:07:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 61 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-11-22 01:07:54,676 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 9 [2022-11-22 01:07:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:54,676 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-22 01:07:54,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-22 01:07:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:07:54,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:54,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:54,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:07:54,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1467256099, now seen corresponding path program 1 times [2022-11-22 01:07:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:54,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121898338] [2022-11-22 01:07:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:54,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:54,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121898338] [2022-11-22 01:07:54,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121898338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:54,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:54,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:07:54,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478800458] [2022-11-22 01:07:54,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:54,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:07:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:07:54,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:07:54,766 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:54,855 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2022-11-22 01:07:54,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:07:54,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:07:54,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:54,857 INFO L225 Difference]: With dead ends: 84 [2022-11-22 01:07:54,857 INFO L226 Difference]: Without dead ends: 82 [2022-11-22 01:07:54,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:07:54,866 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 37 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:54,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 48 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:07:54,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-22 01:07:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2022-11-22 01:07:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.5) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 78 transitions. [2022-11-22 01:07:54,880 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 78 transitions. Word has length 11 [2022-11-22 01:07:54,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:54,881 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 78 transitions. [2022-11-22 01:07:54,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-11-22 01:07:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:07:54,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:54,882 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:54,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:07:54,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:54,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1188104070, now seen corresponding path program 1 times [2022-11-22 01:07:54,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:54,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915998160] [2022-11-22 01:07:54,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:55,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:55,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915998160] [2022-11-22 01:07:55,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915998160] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:07:55,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982938844] [2022-11-22 01:07:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:55,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:07:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:07:55,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:07:55,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:07:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:55,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:07:55,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:07:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:55,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:07:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:55,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982938844] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:07:55,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1391640260] [2022-11-22 01:07:55,276 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-22 01:07:55,276 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:07:55,280 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:07:55,286 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:07:55,286 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:07:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:55,399 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:07:55,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:07:55,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:55,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:07:55,487 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:07:56,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1391640260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:56,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:07:56,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-22 01:07:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408776713] [2022-11-22 01:07:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:56,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:07:56,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:56,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:07:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:07:56,105 INFO L87 Difference]: Start difference. First operand 66 states and 78 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:56,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:56,299 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2022-11-22 01:07:56,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:07:56,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:07:56,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:56,300 INFO L225 Difference]: With dead ends: 85 [2022-11-22 01:07:56,300 INFO L226 Difference]: Without dead ends: 76 [2022-11-22 01:07:56,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:07:56,301 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 105 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:56,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 31 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:07:56,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-22 01:07:56,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2022-11-22 01:07:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2022-11-22 01:07:56,318 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 12 [2022-11-22 01:07:56,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:56,319 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2022-11-22 01:07:56,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2022-11-22 01:07:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:07:56,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:56,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:56,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:07:56,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:07:56,524 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:56,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1144196077, now seen corresponding path program 1 times [2022-11-22 01:07:56,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:56,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139395544] [2022-11-22 01:07:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:56,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:56,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139395544] [2022-11-22 01:07:56,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139395544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:07:56,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:07:56,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:07:56,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622313834] [2022-11-22 01:07:56,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:07:56,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:07:56,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:07:56,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:07:56,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:07:56,584 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:56,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:07:56,652 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-11-22 01:07:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:07:56,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-22 01:07:56,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:07:56,653 INFO L225 Difference]: With dead ends: 82 [2022-11-22 01:07:56,653 INFO L226 Difference]: Without dead ends: 80 [2022-11-22 01:07:56,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:07:56,656 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:07:56,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:07:56,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-22 01:07:56,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2022-11-22 01:07:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.467741935483871) internal successors, (91), 75 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2022-11-22 01:07:56,712 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 14 [2022-11-22 01:07:56,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:07:56,713 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2022-11-22 01:07:56,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:07:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-11-22 01:07:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:07:56,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:07:56,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:07:56,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:07:56,714 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:07:56,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:07:56,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1884773674, now seen corresponding path program 1 times [2022-11-22 01:07:56,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:07:56,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065887268] [2022-11-22 01:07:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:07:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:56,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:07:56,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065887268] [2022-11-22 01:07:56,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065887268] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:07:56,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449929499] [2022-11-22 01:07:56,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:07:56,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:07:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:07:56,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:07:56,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:07:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:07:56,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:07:56,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:07:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:56,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:07:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:07:56,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449929499] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:07:56,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1286771179] [2022-11-22 01:07:56,956 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-22 01:07:56,957 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:07:56,957 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:07:56,957 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:07:56,958 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:07:57,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,040 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:07:57,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:07:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:07:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-22 01:07:57,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:07:57,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:07:57,637 INFO L321 Elim1Store]: treesize reduction 147, result has 21.4 percent of original size [2022-11-22 01:07:57,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 19 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 610 treesize of output 607 [2022-11-22 01:07:58,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:07:58,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:07:58,526 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:08:01,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1286771179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:01,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:08:01,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5, 5, 5] total 20 [2022-11-22 01:08:01,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935915003] [2022-11-22 01:08:01,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:01,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:08:01,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:01,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:08:01,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:08:01,190 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:03,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:03,654 INFO L93 Difference]: Finished difference Result 156 states and 181 transitions. [2022-11-22 01:08:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 01:08:03,655 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-22 01:08:03,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:03,656 INFO L225 Difference]: With dead ends: 156 [2022-11-22 01:08:03,656 INFO L226 Difference]: Without dead ends: 108 [2022-11-22 01:08:03,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2022-11-22 01:08:03,657 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 182 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:03,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 63 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:08:03,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-22 01:08:03,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 81. [2022-11-22 01:08:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 80 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2022-11-22 01:08:03,678 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 17 [2022-11-22 01:08:03,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:03,678 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2022-11-22 01:08:03,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2022-11-22 01:08:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 01:08:03,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:03,680 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] [2022-11-22 01:08:03,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 01:08:03,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:03,885 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:03,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1531937506, now seen corresponding path program 1 times [2022-11-22 01:08:03,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:03,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981332666] [2022-11-22 01:08:03,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:03,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:04,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:04,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981332666] [2022-11-22 01:08:04,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981332666] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:04,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072862351] [2022-11-22 01:08:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:04,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:04,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:04,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:04,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:08:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:04,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:08:04,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:04,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:08:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:08:04,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072862351] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:08:04,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [515207249] [2022-11-22 01:08:04,251 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-22 01:08:04,251 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:08:04,252 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:08:04,252 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:08:04,252 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:08:04,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,333 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:08:04,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:08:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:08:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-22 01:08:04,601 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:08:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:04,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:08:04,837 INFO L321 Elim1Store]: treesize reduction 147, result has 21.4 percent of original size [2022-11-22 01:08:04,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 19 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 610 treesize of output 607 [2022-11-22 01:08:06,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:08:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:06,079 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 01:08:06,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 1158 treesize of output 1088 [2022-11-22 01:08:06,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:06,956 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 36 treesize of output 35 [2022-11-22 01:08:07,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 119 [2022-11-22 01:08:07,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:07,237 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 36 treesize of output 35 [2022-11-22 01:08:07,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 119 [2022-11-22 01:08:07,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 119 [2022-11-22 01:08:07,669 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:08:09,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [515207249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:09,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:08:09,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 6, 6] total 24 [2022-11-22 01:08:09,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361307544] [2022-11-22 01:08:09,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:09,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:08:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:09,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:08:09,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2022-11-22 01:08:09,664 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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) [2022-11-22 01:08:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:12,773 INFO L93 Difference]: Finished difference Result 137 states and 162 transitions. [2022-11-22 01:08:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 01:08:12,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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 23 [2022-11-22 01:08:12,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:12,774 INFO L225 Difference]: With dead ends: 137 [2022-11-22 01:08:12,774 INFO L226 Difference]: Without dead ends: 89 [2022-11-22 01:08:12,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 44 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2022-11-22 01:08:12,776 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 165 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:12,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 55 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:08:12,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-22 01:08:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 73. [2022-11-22 01:08:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 72 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2022-11-22 01:08:12,786 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 23 [2022-11-22 01:08:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:12,786 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2022-11-22 01:08:12,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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) [2022-11-22 01:08:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2022-11-22 01:08:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 01:08:12,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:12,787 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:12,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 01:08:12,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 01:08:12,993 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:12,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:12,993 INFO L85 PathProgramCache]: Analyzing trace with hash 372341227, now seen corresponding path program 1 times [2022-11-22 01:08:12,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:12,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155107410] [2022-11-22 01:08:12,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:12,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-22 01:08:13,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:13,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155107410] [2022-11-22 01:08:13,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155107410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:13,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:13,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:08:13,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852869306] [2022-11-22 01:08:13,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:13,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:08:13,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:13,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:08:13,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:08:13,075 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:13,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:13,138 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-11-22 01:08:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:08:13,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-22 01:08:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:13,140 INFO L225 Difference]: With dead ends: 77 [2022-11-22 01:08:13,140 INFO L226 Difference]: Without dead ends: 75 [2022-11-22 01:08:13,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:08:13,141 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:13,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 68 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:08:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-22 01:08:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-22 01:08:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2022-11-22 01:08:13,151 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 26 [2022-11-22 01:08:13,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:13,152 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2022-11-22 01:08:13,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2022-11-22 01:08:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-22 01:08:13,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:13,153 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:13,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:08:13,154 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:13,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:13,154 INFO L85 PathProgramCache]: Analyzing trace with hash -98238649, now seen corresponding path program 1 times [2022-11-22 01:08:13,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:13,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677352115] [2022-11-22 01:08:13,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:13,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-22 01:08:13,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:13,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677352115] [2022-11-22 01:08:13,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677352115] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:13,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015052354] [2022-11-22 01:08:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:13,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:13,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:13,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:08:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:08:13,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:08:13,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:08:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:08:13,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015052354] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:08:13,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1879448373] [2022-11-22 01:08:13,479 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-22 01:08:13,480 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:08:13,480 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:08:13,480 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:08:13,480 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:08:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,555 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-22 01:08:13,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-22 01:08:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,609 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:08:13,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:08:13,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-22 01:08:13,807 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:08:13,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:13,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:08:14,012 INFO L321 Elim1Store]: treesize reduction 147, result has 21.4 percent of original size [2022-11-22 01:08:14,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 19 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 610 treesize of output 607 [2022-11-22 01:08:14,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:08:14,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:14,941 INFO L321 Elim1Store]: treesize reduction 46, result has 36.1 percent of original size [2022-11-22 01:08:14,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 223 treesize of output 239 [2022-11-22 01:08:15,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:15,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:15,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:15,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:15,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:16,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:16,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:16,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:16,528 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:08:18,699 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2509#(and (<= |ULTIMATE.start_main_~j~0#1| 5) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (not (<= (* 5 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start_main_~MINVAL~0#1| |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-22 01:08:18,699 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:08:18,699 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:08:18,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 13 [2022-11-22 01:08:18,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540342029] [2022-11-22 01:08:18,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:08:18,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:08:18,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:08:18,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2022-11-22 01:08:18,701 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:19,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:19,347 INFO L93 Difference]: Finished difference Result 262 states and 300 transitions. [2022-11-22 01:08:19,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-22 01:08:19,348 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-22 01:08:19,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:19,349 INFO L225 Difference]: With dead ends: 262 [2022-11-22 01:08:19,349 INFO L226 Difference]: Without dead ends: 195 [2022-11-22 01:08:19,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 69 SyntacticMatches, 7 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=402, Invalid=1854, Unknown=0, NotChecked=0, Total=2256 [2022-11-22 01:08:19,351 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 339 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:19,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 150 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:08:19,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-22 01:08:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 140. [2022-11-22 01:08:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 126 states have (on average 1.380952380952381) internal successors, (174), 139 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 174 transitions. [2022-11-22 01:08:19,368 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 174 transitions. Word has length 33 [2022-11-22 01:08:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:19,369 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 174 transitions. [2022-11-22 01:08:19,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 174 transitions. [2022-11-22 01:08:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-22 01:08:19,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:19,371 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:19,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:08:19,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 01:08:19,577 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:19,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:19,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1727313149, now seen corresponding path program 1 times [2022-11-22 01:08:19,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:19,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038014092] [2022-11-22 01:08:19,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:19,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-22 01:08:19,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:19,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038014092] [2022-11-22 01:08:19,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038014092] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:19,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364454122] [2022-11-22 01:08:19,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:19,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:19,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:19,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:19,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:08:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:19,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:08:19,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:08:19,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:08:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:08:20,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364454122] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:08:20,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1394039992] [2022-11-22 01:08:20,045 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-22 01:08:20,045 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:08:20,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:08:20,046 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:08:20,046 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:08:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,113 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-22 01:08:20,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-22 01:08:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,155 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:08:20,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:08:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-22 01:08:20,367 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:08:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:20,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:08:20,587 INFO L321 Elim1Store]: treesize reduction 147, result has 21.4 percent of original size [2022-11-22 01:08:20,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 19 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 610 treesize of output 607 [2022-11-22 01:08:20,875 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:08:20,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:21,312 INFO L321 Elim1Store]: treesize reduction 46, result has 36.1 percent of original size [2022-11-22 01:08:21,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 223 treesize of output 239 [2022-11-22 01:08:21,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:21,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:21,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:21,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:22,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:22,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:22,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:22,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:22,742 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:08:24,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1394039992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:25,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:08:25,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 10, 10] total 33 [2022-11-22 01:08:25,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850648984] [2022-11-22 01:08:25,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:25,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-22 01:08:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-22 01:08:25,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=912, Unknown=0, NotChecked=0, Total=1056 [2022-11-22 01:08:25,002 INFO L87 Difference]: Start difference. First operand 140 states and 174 transitions. Second operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:28,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:28,942 INFO L93 Difference]: Finished difference Result 148 states and 184 transitions. [2022-11-22 01:08:28,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-22 01:08:28,943 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-22 01:08:28,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:28,947 INFO L225 Difference]: With dead ends: 148 [2022-11-22 01:08:28,947 INFO L226 Difference]: Without dead ends: 139 [2022-11-22 01:08:28,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 116 SyntacticMatches, 11 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=280, Invalid=1700, Unknown=0, NotChecked=0, Total=1980 [2022-11-22 01:08:28,951 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 122 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:28,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 23 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:08:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-22 01:08:28,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2022-11-22 01:08:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 126 states have (on average 1.1587301587301588) internal successors, (146), 131 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 146 transitions. [2022-11-22 01:08:28,979 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 146 transitions. Word has length 52 [2022-11-22 01:08:28,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:28,980 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 146 transitions. [2022-11-22 01:08:28,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2022-11-22 01:08:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-22 01:08:28,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:28,982 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:28,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:08:29,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:29,187 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:29,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:29,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1632812602, now seen corresponding path program 1 times [2022-11-22 01:08:29,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:29,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061214261] [2022-11-22 01:08:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:29,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-22 01:08:29,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:29,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061214261] [2022-11-22 01:08:29,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061214261] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:29,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857625696] [2022-11-22 01:08:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:29,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:29,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:29,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:29,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:08:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:29,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:08:29,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:08:29,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:08:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:08:29,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857625696] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:08:29,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1715059554] [2022-11-22 01:08:29,704 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-22 01:08:29,705 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:08:29,705 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:08:29,705 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:08:29,705 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:08:29,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:29,815 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:08:29,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:08:29,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:29,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2022-11-22 01:08:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:29,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-22 01:08:30,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:30,163 INFO L321 Elim1Store]: treesize reduction 172, result has 11.3 percent of original size [2022-11-22 01:08:30,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 584 treesize of output 575 [2022-11-22 01:08:30,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:30,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:30,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:31,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:32,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:33,010 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:08:35,947 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4031#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-22 01:08:35,947 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:08:35,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:08:35,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 21 [2022-11-22 01:08:35,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845781940] [2022-11-22 01:08:35,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:08:35,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-22 01:08:35,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:35,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-22 01:08:35,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1299, Unknown=0, NotChecked=0, Total=1482 [2022-11-22 01:08:35,949 INFO L87 Difference]: Start difference. First operand 132 states and 146 transitions. Second operand has 21 states, 21 states have (on average 5.333333333333333) internal successors, (112), 21 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:36,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:36,457 INFO L93 Difference]: Finished difference Result 301 states and 338 transitions. [2022-11-22 01:08:36,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-22 01:08:36,458 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.333333333333333) internal successors, (112), 21 states have internal predecessors, (112), 0 states have call successors, (0), 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 54 [2022-11-22 01:08:36,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:36,459 INFO L225 Difference]: With dead ends: 301 [2022-11-22 01:08:36,459 INFO L226 Difference]: Without dead ends: 195 [2022-11-22 01:08:36,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 119 SyntacticMatches, 11 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1237 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=398, Invalid=2682, Unknown=0, NotChecked=0, Total=3080 [2022-11-22 01:08:36,460 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 277 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:36,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 94 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:08:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-22 01:08:36,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 161. [2022-11-22 01:08:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 155 states have (on average 1.1096774193548387) internal successors, (172), 160 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 172 transitions. [2022-11-22 01:08:36,482 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 172 transitions. Word has length 54 [2022-11-22 01:08:36,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:36,482 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 172 transitions. [2022-11-22 01:08:36,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.333333333333333) internal successors, (112), 21 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2022-11-22 01:08:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-22 01:08:36,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:36,484 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:36,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:08:36,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:36,690 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:36,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:36,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1217800019, now seen corresponding path program 1 times [2022-11-22 01:08:36,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:36,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672714870] [2022-11-22 01:08:36,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:36,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 01:08:36,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:36,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672714870] [2022-11-22 01:08:36,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672714870] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:36,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548355083] [2022-11-22 01:08:36,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:36,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:36,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:36,797 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:36,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:08:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:36,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:08:36,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 01:08:36,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:08:36,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548355083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:36,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:08:36,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-22 01:08:36,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36900113] [2022-11-22 01:08:36,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:36,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:08:36,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:36,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:08:36,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:08:36,906 INFO L87 Difference]: Start difference. First operand 161 states and 172 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) [2022-11-22 01:08:36,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:37,000 INFO L93 Difference]: Finished difference Result 161 states and 172 transitions. [2022-11-22 01:08:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:08:37,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) Word has length 64 [2022-11-22 01:08:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:37,002 INFO L225 Difference]: With dead ends: 161 [2022-11-22 01:08:37,002 INFO L226 Difference]: Without dead ends: 160 [2022-11-22 01:08:37,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:08:37,003 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 45 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:37,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 62 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:08:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-22 01:08:37,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-11-22 01:08:37,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 155 states have (on average 1.103225806451613) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 171 transitions. [2022-11-22 01:08:37,022 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 171 transitions. Word has length 64 [2022-11-22 01:08:37,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:37,022 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 171 transitions. [2022-11-22 01:08:37,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 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) [2022-11-22 01:08:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2022-11-22 01:08:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-22 01:08:37,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:37,024 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:37,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-22 01:08:37,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-22 01:08:37,230 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:37,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:37,231 INFO L85 PathProgramCache]: Analyzing trace with hash -2074708591, now seen corresponding path program 2 times [2022-11-22 01:08:37,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:37,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015555005] [2022-11-22 01:08:37,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:37,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 01:08:37,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015555005] [2022-11-22 01:08:37,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015555005] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:08:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373935644] [2022-11-22 01:08:37,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:08:37,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:08:37,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:37,435 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:08:37,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:08:37,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:08:37,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:08:37,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:08:37,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:08:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-22 01:08:37,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:08:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-22 01:08:37,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373935644] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:08:37,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1589460598] [2022-11-22 01:08:37,719 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-22 01:08:37,719 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:08:37,719 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:08:37,720 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:08:37,720 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:08:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:37,813 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-22 01:08:37,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-22 01:08:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:37,859 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-22 01:08:37,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-22 01:08:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:37,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 95 [2022-11-22 01:08:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:38,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:38,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:38,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:08:38,245 INFO L321 Elim1Store]: treesize reduction 147, result has 21.4 percent of original size [2022-11-22 01:08:38,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 19 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 579 treesize of output 576 [2022-11-22 01:08:38,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:38,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:38,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 362 [2022-11-22 01:08:39,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:39,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:39,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:39,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:08:39,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 362 [2022-11-22 01:08:40,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:40,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:40,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 01:08:40,878 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:08:43,632 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5571#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (< 2147483646 |ULTIMATE.start_main_#t~post7#1|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-22 01:08:43,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:08:43,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:08:43,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 2, 2] total 9 [2022-11-22 01:08:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141725890] [2022-11-22 01:08:43,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:08:43,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:08:43,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:43,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:08:43,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2022-11-22 01:08:43,634 INFO L87 Difference]: Start difference. First operand 160 states and 171 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:43,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:43,843 INFO L93 Difference]: Finished difference Result 164 states and 176 transitions. [2022-11-22 01:08:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 01:08:43,844 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 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 66 [2022-11-22 01:08:43,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:43,845 INFO L225 Difference]: With dead ends: 164 [2022-11-22 01:08:43,845 INFO L226 Difference]: Without dead ends: 150 [2022-11-22 01:08:43,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 167 SyntacticMatches, 11 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=182, Invalid=1008, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 01:08:43,846 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 58 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:43,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 68 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:08:43,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-22 01:08:43,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-22 01:08:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 146 states have (on average 1.0890410958904109) internal successors, (159), 149 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 159 transitions. [2022-11-22 01:08:43,862 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 159 transitions. Word has length 66 [2022-11-22 01:08:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:43,862 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 159 transitions. [2022-11-22 01:08:43,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2022-11-22 01:08:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-22 01:08:43,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:43,864 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:43,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:08:44,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-22 01:08:44,069 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:44,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:44,069 INFO L85 PathProgramCache]: Analyzing trace with hash 483053279, now seen corresponding path program 1 times [2022-11-22 01:08:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:44,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093025544] [2022-11-22 01:08:44,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:44,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-22 01:08:44,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:44,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093025544] [2022-11-22 01:08:44,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093025544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:44,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:44,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:08:44,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019720560] [2022-11-22 01:08:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:44,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:08:44,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:44,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:08:44,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:08:44,219 INFO L87 Difference]: Start difference. First operand 150 states and 159 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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) [2022-11-22 01:08:44,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:44,261 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2022-11-22 01:08:44,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:08:44,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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) Word has length 93 [2022-11-22 01:08:44,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:44,262 INFO L225 Difference]: With dead ends: 150 [2022-11-22 01:08:44,262 INFO L226 Difference]: Without dead ends: 149 [2022-11-22 01:08:44,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:08:44,263 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:44,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 31 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:08:44,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-22 01:08:44,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2022-11-22 01:08:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 146 states have (on average 1.0753424657534247) internal successors, (157), 148 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:08:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2022-11-22 01:08:44,282 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 93 [2022-11-22 01:08:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:44,282 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2022-11-22 01:08:44,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 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) [2022-11-22 01:08:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2022-11-22 01:08:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-22 01:08:44,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:44,284 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:44,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:08:44,284 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-22 01:08:44,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:44,285 INFO L85 PathProgramCache]: Analyzing trace with hash 357737994, now seen corresponding path program 1 times [2022-11-22 01:08:44,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:44,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147308466] [2022-11-22 01:08:44,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-22 01:08:44,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:44,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147308466] [2022-11-22 01:08:44,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147308466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:44,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:44,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:08:44,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133288398] [2022-11-22 01:08:44,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:44,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:08:44,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:44,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:08:44,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:08:44,382 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2022-11-22 01:08:44,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:08:44,427 INFO L93 Difference]: Finished difference Result 149 states and 157 transitions. [2022-11-22 01:08:44,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:08:44,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) Word has length 95 [2022-11-22 01:08:44,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:08:44,428 INFO L225 Difference]: With dead ends: 149 [2022-11-22 01:08:44,428 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:08:44,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:08:44,429 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:08:44,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 22 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:08:44,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:08:44,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:08:44,430 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) [2022-11-22 01:08:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:08:44,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2022-11-22 01:08:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:08:44,431 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:08:44,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2022-11-22 01:08:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:08:44,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:08:44,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-22 01:08:44,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-22 01:08:44,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-22 01:08:44,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-22 01:08:44,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-22 01:08:44,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-22 01:08:44,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-22 01:08:44,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-22 01:08:44,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-22 01:08:44,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-22 01:08:44,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-22 01:08:44,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-22 01:08:44,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-22 01:08:44,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-22 01:08:44,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-22 01:08:44,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-22 01:08:44,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:08:44,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:08:46,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-22 01:08:46,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:08:46,586 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,586 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 41) no Hoare annotation was computed. [2022-11-22 01:08:46,586 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,586 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,587 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 41) the Hoare annotation is: (let ((.cse27 (select |#memory_int| 1)) (.cse26 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse26 5) 0)) (.cse4 (= 114 (select .cse26 1))) (.cse5 (= 2 (select |#length| 1))) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse8 (<= ~CELLCOUNT~0 2147483647)) (.cse9 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse10 (= (select |#valid| 1) 1)) (.cse11 (= (select .cse26 4) 99)) (.cse12 (= (select .cse26 0) 110)) (.cse13 (= (select |#valid| 0) 0)) (.cse14 (= (select |#valid| 2) 1)) (.cse15 (= |#NULL.offset| 0)) (.cse16 (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|)) (.cse17 (= (select .cse27 0) 48)) (.cse18 (= 53 (select .cse26 2))) (.cse19 (= (select .cse27 1) 0)) (.cse20 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse22 (= 46 (select .cse26 3))) (.cse23 (= 6 (select |#length| 2))) (.cse24 (< 0 |#StackHeapBarrier|)) (.cse25 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~CELLCOUNT~0) .cse5 (= |ULTIMATE.start_main_~i~0#1| 1) .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse10 .cse11 .cse12 .cse13 (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (= (ite (= (let ((.cse21 (mod ~CELLCOUNT~0 5))) (ite (and (not (= .cse21 0)) (< ~CELLCOUNT~0 0)) (+ .cse21 (- 5)) .cse21)) 0) 1 0) |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) .cse22 .cse23 .cse24 .cse25) (and .cse0 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse4 .cse5 .cse6 (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5))) .cse7 .cse8 .cse9 (< 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) .cse10 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (< |ULTIMATE.start_main_~j~0#1| 1) .cse18 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse19 .cse20 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse22 .cse23 .cse24 .cse25)))) [2022-11-22 01:08:46,587 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 41) no Hoare annotation was computed. [2022-11-22 01:08:46,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 30 40) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L30-3(line 30) no Hoare annotation was computed. [2022-11-22 01:08:46,588 INFO L899 garLoopResultBuilder]: For program point L30-4(line 30) no Hoare annotation was computed. [2022-11-22 01:08:46,589 INFO L895 garLoopResultBuilder]: At program point L30-5(lines 30 40) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select |#length| 3) 12) (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1) (<= |ULTIMATE.start_main_~i~0#1| 429496729) (= (select .cse0 5) 0) (<= 1 |ULTIMATE.start_main_~i~0#1|) (= 114 (select .cse0 1)) (<= 2 ~CELLCOUNT~0) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~j~0#1| 5) (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5))) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= (select |#valid| 1) 1) (= (select .cse0 4) 99) (= (select .cse0 0) 110) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|) (= (select .cse1 0) 48) (= 53 (select .cse0 2)) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select .cse1 1) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= 46 (select .cse0 3)) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:08:46,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-11-22 01:08:46,589 INFO L895 garLoopResultBuilder]: At program point L48(lines 13 49) the Hoare annotation is: (or (<= ~CELLCOUNT~0 2147483647) (not (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5))))) [2022-11-22 01:08:46,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-11-22 01:08:46,589 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 39) no Hoare annotation was computed. [2022-11-22 01:08:46,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,589 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-22 01:08:46,589 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 47) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 47) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,590 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,591 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,591 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-22 01:08:46,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-22 01:08:46,591 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:08:46,591 INFO L899 garLoopResultBuilder]: For program point L43-3(line 43) no Hoare annotation was computed. [2022-11-22 01:08:46,592 INFO L899 garLoopResultBuilder]: For program point L43-4(line 43) no Hoare annotation was computed. [2022-11-22 01:08:46,592 INFO L895 garLoopResultBuilder]: At program point L43-5(lines 43 46) the Hoare annotation is: (let ((.cse28 (select |#memory_int| 1)) (.cse27 (select |#memory_int| 2))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse3 (= (select .cse27 5) 0)) (.cse4 (= 114 (select .cse27 1))) (.cse5 (= 2 (select |#length| 1))) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5)))) (.cse8 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse9 (<= ~CELLCOUNT~0 2147483647)) (.cse10 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse11 (< 1 ~CELLCOUNT~0)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= (select .cse27 4) 99)) (.cse14 (= (select .cse27 0) 110)) (.cse15 (= (select |#valid| 0) 0)) (.cse16 (= (select |#valid| 2) 1)) (.cse17 (= |#NULL.offset| 0)) (.cse18 (= 1 |ULTIMATE.start_main_~DEFAULTVALUE~0#1|)) (.cse19 (= (select .cse28 0) 48)) (.cse20 (= 53 (select .cse27 2))) (.cse21 (= (select .cse28 1) 0)) (.cse22 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse23 (= 46 (select .cse27 3))) (.cse24 (= 6 (select |#length| 2))) (.cse25 (< 0 |#StackHeapBarrier|)) (.cse26 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26) (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26)))) [2022-11-22 01:08:46,595 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:46,597 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:08:46,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:46 BoogieIcfgContainer [2022-11-22 01:08:46,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:08:46,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:08:46,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:08:46,627 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:08:46,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:52" (3/4) ... [2022-11-22 01:08:46,631 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:08:46,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-22 01:08:46,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-22 01:08:46,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 01:08:46,641 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:08:46,641 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:08:46,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && \old(cond) == cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(cond == 0)) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && 53 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && (if (if !(CELLCOUNT % 5 == 0) && CELLCOUNT < 0 then CELLCOUNT % 5 + -5 else CELLCOUNT % 5) == 0 then 1 else 0) == \old(cond)) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT == 5 * (CELLCOUNT / 5)) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 1 < CELLCOUNT) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && j < 1) && 53 == unknown-#memory_int-unknown[2][2]) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-22 01:08:46,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i <= 429496729) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && j <= 5) && CELLCOUNT == 5 * (CELLCOUNT / 5)) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && 53 == unknown-#memory_int-unknown[2][2]) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 [2022-11-22 01:08:46,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:08:46,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:08:46,695 INFO L158 Benchmark]: Toolchain (without parser) took 54633.18ms. Allocated memory was 140.5MB in the beginning and 434.1MB in the end (delta: 293.6MB). Free memory was 110.1MB in the beginning and 154.9MB in the end (delta: -44.8MB). Peak memory consumption was 251.4MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,695 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:08:46,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.76ms. Allocated memory is still 140.5MB. Free memory was 110.1MB in the beginning and 99.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.02ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,696 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,697 INFO L158 Benchmark]: RCFGBuilder took 468.38ms. Allocated memory is still 140.5MB. Free memory was 96.5MB in the beginning and 79.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,697 INFO L158 Benchmark]: TraceAbstraction took 53773.37ms. Allocated memory was 140.5MB in the beginning and 434.1MB in the end (delta: 293.6MB). Free memory was 78.7MB in the beginning and 158.0MB in the end (delta: -79.3MB). Peak memory consumption was 230.4MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,697 INFO L158 Benchmark]: Witness Printer took 68.06ms. Allocated memory is still 434.1MB. Free memory was 158.0MB in the beginning and 154.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:08:46,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.76ms. Allocated memory is still 140.5MB. Free memory was 110.1MB in the beginning and 99.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.02ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.38ms. Allocated memory is still 140.5MB. Free memory was 96.5MB in the beginning and 79.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 53773.37ms. Allocated memory was 140.5MB in the beginning and 434.1MB in the end (delta: 293.6MB). Free memory was 78.7MB in the beginning and 158.0MB in the end (delta: -79.3MB). Peak memory consumption was 230.4MB. Max. memory is 16.1GB. * Witness Printer took 68.06ms. Allocated memory is still 434.1MB. Free memory was 158.0MB in the beginning and 154.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 53.7s, OverallIterations: 18, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1566 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1566 mSDsluCounter, 1063 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 687 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1725 IncrementalHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 376 mSDtfsCounter, 1725 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 972 GetRequests, 642 SyntacticMatches, 55 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3697 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=14, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 215 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 30 NumberOfFragments, 801 HoareAnnotationTreeSize, 4 FomulaSimplifications, 400 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6232 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 920 NumberOfCodeBlocks, 863 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 2810 SizeOfPredicates, 24 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 33 InterpolantComputations, 11 PerfectInterpolantSequences, 1283/1477 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: 7.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 90, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 462, TOOLS_POST_TIME: 6.9s, 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: 382, TOOLS_QUANTIFIERELIM_TIME: 6.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 633, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 38, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 90, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 26, LOOP_SUMMARIZER_CACHE_MISSES: 26, LOOP_SUMMARIZER_OVERALL_TIME: 6.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 6.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 38, 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: 3913, DAG_COMPRESSION_RETAINED_NODES: 286, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i <= 429496729) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && j <= 5) && CELLCOUNT == 5 * (CELLCOUNT / 5)) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && 53 == unknown-#memory_int-unknown[2][2]) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && i == 1) && \valid[3] == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && \old(cond) == cond) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && !(cond == 0)) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && 53 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && (if (if !(CELLCOUNT % 5 == 0) && CELLCOUNT < 0 then CELLCOUNT % 5 + -5 else CELLCOUNT % 5) == 0 then 1 else 0) == \old(cond)) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && 0 <= j + 2147483648) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT == 5 * (CELLCOUNT / 5)) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 1 < CELLCOUNT) && 0 <= \old(cond)) && 0 <= cond) && \valid[1] == 1) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && j < 1) && 53 == unknown-#memory_int-unknown[2][2]) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: CELLCOUNT <= 2147483647 || !(CELLCOUNT == 5 * (CELLCOUNT / 5)) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && i == 0) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT == 5 * (CELLCOUNT / 5)) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 1 < CELLCOUNT) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && 53 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((unknown-#length-unknown[3] == 12 && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 1 <= i) && 114 == unknown-#memory_int-unknown[2][1]) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT == 5 * (CELLCOUNT / 5)) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && volArray == 0) && 1 < CELLCOUNT) && \valid[1] == 1) && unknown-#memory_int-unknown[2][4] == 99) && unknown-#memory_int-unknown[2][0] == 110) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && 1 == DEFAULTVALUE) && unknown-#memory_int-unknown[1][0] == 48) && 53 == unknown-#memory_int-unknown[2][2]) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-22 01:08:46,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ecb5cd-53fe-41ea-b821-ac5fa10f4913/bin/utaipan-g80aRyZoba/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