./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2b89ce5b96ce55081609675201b2a9a116c2941a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:32:30,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:32:30,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:32:30,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:32:30,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:32:30,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:32:30,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:32:30,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:32:30,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:32:30,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:32:30,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:32:30,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:32:30,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:32:30,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:32:30,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:32:30,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:32:30,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:32:30,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:32:30,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:32:30,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:32:30,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:32:30,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:32:30,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:32:30,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:32:30,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:32:30,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:32:30,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:32:30,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:32:30,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:32:30,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:32:30,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:32:30,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:32:30,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:32:30,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:32:30,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:32:30,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:32:30,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:32:30,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:32:30,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:32:30,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:32:30,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:32:30,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 10:32:30,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:32:30,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:32:30,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:32:30,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:32:30,484 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:32:30,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:32:30,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:32:30,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:32:30,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:32:30,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:32:30,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:32:30,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:32:30,486 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:32:30,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:32:30,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:32:30,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:32:30,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:32:30,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:32:30,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:32:30,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:32:30,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:32:30,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:32:30,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:32:30,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:32:30,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:32:30,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:32:30,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:32:30,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b89ce5b96ce55081609675201b2a9a116c2941a [2019-11-20 10:32:30,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:32:30,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:32:30,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:32:30,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:32:30,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:32:30,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Benghazi.c [2019-11-20 10:32:30,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/data/3f361e0d1/d139fd6707044edc97c1bb3391312d60/FLAGd60416af7 [2019-11-20 10:32:31,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:32:31,164 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/sv-benchmarks/c/termination-crafted/Benghazi.c [2019-11-20 10:32:31,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/data/3f361e0d1/d139fd6707044edc97c1bb3391312d60/FLAGd60416af7 [2019-11-20 10:32:31,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/data/3f361e0d1/d139fd6707044edc97c1bb3391312d60 [2019-11-20 10:32:31,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:32:31,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:32:31,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:32:31,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:32:31,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:32:31,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea93fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31, skipping insertion in model container [2019-11-20 10:32:31,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,543 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:32:31,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:32:31,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:32:31,800 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:32:31,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:32:31,911 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:32:31,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31 WrapperNode [2019-11-20 10:32:31,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:32:31,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:32:31,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:32:31,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:32:31,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:32:31,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:32:31,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:32:31,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:32:31,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... [2019-11-20 10:32:31,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:32:31,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:32:31,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:32:31,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:32:31,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:32:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:32:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:32:32,244 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:32:32,244 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:32:32,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:32 BoogieIcfgContainer [2019-11-20 10:32:32,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:32:32,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:32:32,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:32:32,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:32:32,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:32:31" (1/3) ... [2019-11-20 10:32:32,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ad07f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:32, skipping insertion in model container [2019-11-20 10:32:32,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:32:31" (2/3) ... [2019-11-20 10:32:32,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ad07f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:32, skipping insertion in model container [2019-11-20 10:32:32,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:32" (3/3) ... [2019-11-20 10:32:32,254 INFO L109 eAbstractionObserver]: Analyzing ICFG Benghazi.c [2019-11-20 10:32:32,264 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:32:32,272 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-20 10:32:32,285 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-20 10:32:32,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:32:32,312 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:32:32,312 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:32:32,312 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:32:32,312 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:32:32,313 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:32:32,313 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:32:32,313 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:32:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-20 10:32:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 10:32:32,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:32,337 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 10:32:32,338 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:32,345 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-11-20 10:32:32,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:32,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957068752] [2019-11-20 10:32:32,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:32,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957068752] [2019-11-20 10:32:32,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:32,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 10:32:32,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741789690] [2019-11-20 10:32:32,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:32:32,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:32,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:32:32,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:32,562 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-11-20 10:32:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:32,662 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-11-20 10:32:32,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:32:32,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-20 10:32:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:32,675 INFO L225 Difference]: With dead ends: 30 [2019-11-20 10:32:32,676 INFO L226 Difference]: Without dead ends: 17 [2019-11-20 10:32:32,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-20 10:32:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-11-20 10:32:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 10:32:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-20 10:32:32,726 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2019-11-20 10:32:32,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:32,727 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-20 10:32:32,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:32:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-20 10:32:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:32:32,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:32,741 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 10:32:32,742 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:32,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:32,757 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-11-20 10:32:32,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:32,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949142357] [2019-11-20 10:32:32,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:32,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949142357] [2019-11-20 10:32:32,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:32,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:32:32,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931802914] [2019-11-20 10:32:32,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:32:32,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:32,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:32:32,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:32:32,803 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 4 states. [2019-11-20 10:32:32,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:32,853 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-11-20 10:32:32,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:32:32,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-20 10:32:32,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:32,855 INFO L225 Difference]: With dead ends: 22 [2019-11-20 10:32:32,855 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 10:32:32,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:32:32,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 10:32:32,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-11-20 10:32:32,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 10:32:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-11-20 10:32:32,862 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 4 [2019-11-20 10:32:32,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:32,863 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-11-20 10:32:32,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:32:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-11-20 10:32:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:32:32,863 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:32,864 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 10:32:32,864 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:32,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:32,864 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2019-11-20 10:32:32,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:32,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120863393] [2019-11-20 10:32:32,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:32,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120863393] [2019-11-20 10:32:32,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:32,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 10:32:32,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944371476] [2019-11-20 10:32:32,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:32:32,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:32,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:32:32,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:32,897 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2019-11-20 10:32:32,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:32,926 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-11-20 10:32:32,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:32:32,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 10:32:32,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:32,928 INFO L225 Difference]: With dead ends: 24 [2019-11-20 10:32:32,928 INFO L226 Difference]: Without dead ends: 23 [2019-11-20 10:32:32,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-20 10:32:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2019-11-20 10:32:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 10:32:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-11-20 10:32:32,934 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 5 [2019-11-20 10:32:32,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:32,934 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-11-20 10:32:32,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:32:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-11-20 10:32:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:32:32,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:32,935 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:32:32,936 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:32,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:32,936 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-11-20 10:32:32,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:32,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933248072] [2019-11-20 10:32:32,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:32,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933248072] [2019-11-20 10:32:32,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:32,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 10:32:32,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601212355] [2019-11-20 10:32:32,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:32:32,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:32,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:32:32,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:32,979 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2019-11-20 10:32:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:33,003 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-20 10:32:33,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:32:33,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 10:32:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:33,005 INFO L225 Difference]: With dead ends: 24 [2019-11-20 10:32:33,006 INFO L226 Difference]: Without dead ends: 23 [2019-11-20 10:32:33,006 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-20 10:32:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2019-11-20 10:32:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 10:32:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-20 10:32:33,012 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 6 [2019-11-20 10:32:33,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:33,013 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-20 10:32:33,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:32:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-20 10:32:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:32:33,014 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:33,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:32:33,015 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:33,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:33,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1366846491, now seen corresponding path program 1 times [2019-11-20 10:32:33,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:33,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375743700] [2019-11-20 10:32:33,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:33,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375743700] [2019-11-20 10:32:33,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:33,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:32:33,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220604290] [2019-11-20 10:32:33,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:32:33,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:33,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:32:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:32:33,066 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 4 states. [2019-11-20 10:32:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:33,142 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-11-20 10:32:33,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:32:33,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-20 10:32:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:33,144 INFO L225 Difference]: With dead ends: 27 [2019-11-20 10:32:33,144 INFO L226 Difference]: Without dead ends: 26 [2019-11-20 10:32:33,144 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:32:33,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-20 10:32:33,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2019-11-20 10:32:33,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 10:32:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-20 10:32:33,149 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 7 [2019-11-20 10:32:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:33,150 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-20 10:32:33,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:32:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-20 10:32:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:32:33,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:33,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:32:33,155 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:33,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:33,156 INFO L82 PathProgramCache]: Analyzing trace with hash 577431791, now seen corresponding path program 1 times [2019-11-20 10:32:33,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:33,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514691945] [2019-11-20 10:32:33,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:33,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514691945] [2019-11-20 10:32:33,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:33,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:32:33,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314328713] [2019-11-20 10:32:33,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:32:33,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:33,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:32:33,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:32:33,207 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 4 states. [2019-11-20 10:32:33,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:33,250 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-11-20 10:32:33,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:32:33,251 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-20 10:32:33,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:33,252 INFO L225 Difference]: With dead ends: 27 [2019-11-20 10:32:33,252 INFO L226 Difference]: Without dead ends: 26 [2019-11-20 10:32:33,252 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:32:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-20 10:32:33,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2019-11-20 10:32:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:32:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-20 10:32:33,258 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8 [2019-11-20 10:32:33,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:33,258 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-20 10:32:33,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:32:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-20 10:32:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:32:33,259 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:33,259 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:32:33,260 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:33,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:33,260 INFO L82 PathProgramCache]: Analyzing trace with hash 861171249, now seen corresponding path program 1 times [2019-11-20 10:32:33,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:33,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354018738] [2019-11-20 10:32:33,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:33,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354018738] [2019-11-20 10:32:33,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118549118] [2019-11-20 10:32:33,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:33,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 10:32:33,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:33,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:33,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 7 [2019-11-20 10:32:33,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616454561] [2019-11-20 10:32:33,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 10:32:33,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:33,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 10:32:33,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:32:33,517 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-11-20 10:32:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:33,679 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-11-20 10:32:33,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:32:33,680 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2019-11-20 10:32:33,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:33,681 INFO L225 Difference]: With dead ends: 30 [2019-11-20 10:32:33,681 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 10:32:33,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-20 10:32:33,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 10:32:33,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2019-11-20 10:32:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 10:32:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-20 10:32:33,687 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10 [2019-11-20 10:32:33,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:33,687 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-20 10:32:33,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 10:32:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-20 10:32:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:32:33,688 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:33,688 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:32:33,894 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:33,897 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash 926504987, now seen corresponding path program 1 times [2019-11-20 10:32:33,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:33,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935065356] [2019-11-20 10:32:33,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:33,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935065356] [2019-11-20 10:32:33,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789697506] [2019-11-20 10:32:33,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:34,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:32:34,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:34,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:32:34,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2019-11-20 10:32:34,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281928797] [2019-11-20 10:32:34,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:32:34,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:34,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:32:34,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:32:34,048 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 5 states. [2019-11-20 10:32:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:34,124 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-11-20 10:32:34,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:32:34,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-20 10:32:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:34,126 INFO L225 Difference]: With dead ends: 23 [2019-11-20 10:32:34,126 INFO L226 Difference]: Without dead ends: 22 [2019-11-20 10:32:34,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:32:34,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-20 10:32:34,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-20 10:32:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 10:32:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-11-20 10:32:34,131 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2019-11-20 10:32:34,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:34,131 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-11-20 10:32:34,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:32:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-11-20 10:32:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:32:34,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:34,132 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 10:32:34,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:34,333 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:34,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1343116429, now seen corresponding path program 1 times [2019-11-20 10:32:34,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:34,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97226680] [2019-11-20 10:32:34,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:34,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97226680] [2019-11-20 10:32:34,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311766467] [2019-11-20 10:32:34,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:34,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:32:34,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:34,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:34,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 10:32:34,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947950266] [2019-11-20 10:32:34,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:32:34,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:34,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:32:34,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:32:34,445 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 5 states. [2019-11-20 10:32:34,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:34,533 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-11-20 10:32:34,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:32:34,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-20 10:32:34,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:34,534 INFO L225 Difference]: With dead ends: 30 [2019-11-20 10:32:34,535 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 10:32:34,535 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:32:34,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 10:32:34,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2019-11-20 10:32:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 10:32:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-11-20 10:32:34,540 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 12 [2019-11-20 10:32:34,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:34,541 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-11-20 10:32:34,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:32:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-11-20 10:32:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:32:34,542 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:34,542 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 10:32:34,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:34,746 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:34,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:34,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1313063709, now seen corresponding path program 1 times [2019-11-20 10:32:34,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:34,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2533600] [2019-11-20 10:32:34,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:34,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2533600] [2019-11-20 10:32:34,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:32:34,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:32:34,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562713499] [2019-11-20 10:32:34,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:32:34,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:34,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:32:34,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:32:34,807 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 3 states. [2019-11-20 10:32:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:34,816 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-20 10:32:34,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:32:34,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-20 10:32:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:34,818 INFO L225 Difference]: With dead ends: 24 [2019-11-20 10:32:34,818 INFO L226 Difference]: Without dead ends: 23 [2019-11-20 10:32:34,818 INFO L630 BasicCegarLoop]: 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 [2019-11-20 10:32:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-20 10:32:34,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-20 10:32:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 10:32:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-20 10:32:34,823 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 13 [2019-11-20 10:32:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:34,824 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-20 10:32:34,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:32:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-20 10:32:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:32:34,825 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:34,825 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2019-11-20 10:32:34,825 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:34,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:34,826 INFO L82 PathProgramCache]: Analyzing trace with hash 2050269365, now seen corresponding path program 1 times [2019-11-20 10:32:34,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:34,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194935194] [2019-11-20 10:32:34,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:34,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194935194] [2019-11-20 10:32:34,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476510284] [2019-11-20 10:32:34,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:34,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:32:34,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:34,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:34,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 10:32:34,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017787268] [2019-11-20 10:32:34,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:32:34,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:34,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:32:34,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:32:34,910 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 5 states. [2019-11-20 10:32:35,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:35,007 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-11-20 10:32:35,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:32:35,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-20 10:32:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:35,009 INFO L225 Difference]: With dead ends: 31 [2019-11-20 10:32:35,009 INFO L226 Difference]: Without dead ends: 30 [2019-11-20 10:32:35,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:32:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-20 10:32:35,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2019-11-20 10:32:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 10:32:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-11-20 10:32:35,015 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 14 [2019-11-20 10:32:35,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:35,015 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-11-20 10:32:35,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:32:35,016 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-11-20 10:32:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:32:35,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:35,017 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1] [2019-11-20 10:32:35,221 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:35,221 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:35,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:35,222 INFO L82 PathProgramCache]: Analyzing trace with hash -866159073, now seen corresponding path program 1 times [2019-11-20 10:32:35,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:35,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902386663] [2019-11-20 10:32:35,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:35,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902386663] [2019-11-20 10:32:35,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907479586] [2019-11-20 10:32:35,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:35,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:32:35,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:35,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:35,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2019-11-20 10:32:35,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12026688] [2019-11-20 10:32:35,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 10:32:35,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:35,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 10:32:35,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:32:35,348 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 7 states. [2019-11-20 10:32:35,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:35,534 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-11-20 10:32:35,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:32:35,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-20 10:32:35,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:35,535 INFO L225 Difference]: With dead ends: 35 [2019-11-20 10:32:35,535 INFO L226 Difference]: Without dead ends: 34 [2019-11-20 10:32:35,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-11-20 10:32:35,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-20 10:32:35,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2019-11-20 10:32:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 10:32:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-11-20 10:32:35,541 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 15 [2019-11-20 10:32:35,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:35,541 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-11-20 10:32:35,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 10:32:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-11-20 10:32:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 10:32:35,543 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:35,543 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1] [2019-11-20 10:32:35,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:35,747 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:35,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:35,747 INFO L82 PathProgramCache]: Analyzing trace with hash 844787553, now seen corresponding path program 2 times [2019-11-20 10:32:35,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:35,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716407192] [2019-11-20 10:32:35,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:35,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716407192] [2019-11-20 10:32:35,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6974431] [2019-11-20 10:32:35,890 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:35,929 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 10:32:35,930 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:35,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 10:32:35,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:36,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:36,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2019-11-20 10:32:36,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327523873] [2019-11-20 10:32:36,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 10:32:36,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:36,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 10:32:36,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-20 10:32:36,101 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 15 states. [2019-11-20 10:32:36,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:36,288 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-20 10:32:36,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:32:36,288 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-11-20 10:32:36,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:36,289 INFO L225 Difference]: With dead ends: 24 [2019-11-20 10:32:36,289 INFO L226 Difference]: Without dead ends: 23 [2019-11-20 10:32:36,290 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2019-11-20 10:32:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-20 10:32:36,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-11-20 10:32:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-20 10:32:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-11-20 10:32:36,293 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 17 [2019-11-20 10:32:36,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:36,294 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-11-20 10:32:36,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 10:32:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-11-20 10:32:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:32:36,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:36,295 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1] [2019-11-20 10:32:36,496 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:36,496 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:36,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:36,496 INFO L82 PathProgramCache]: Analyzing trace with hash 92020899, now seen corresponding path program 2 times [2019-11-20 10:32:36,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:36,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968084955] [2019-11-20 10:32:36,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:36,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968084955] [2019-11-20 10:32:36,560 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588241069] [2019-11-20 10:32:36,560 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:36,587 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 10:32:36,587 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:36,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 10:32:36,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:36,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:36,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-20 10:32:36,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512600891] [2019-11-20 10:32:36,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:32:36,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:36,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:32:36,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:32:36,595 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 6 states. [2019-11-20 10:32:36,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:36,708 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-11-20 10:32:36,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:32:36,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-11-20 10:32:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:36,709 INFO L225 Difference]: With dead ends: 33 [2019-11-20 10:32:36,710 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 10:32:36,710 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:32:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 10:32:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2019-11-20 10:32:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 10:32:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2019-11-20 10:32:36,714 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 19 [2019-11-20 10:32:36,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:36,715 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2019-11-20 10:32:36,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:32:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2019-11-20 10:32:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 10:32:36,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:36,716 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1] [2019-11-20 10:32:36,916 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:36,917 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:36,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:36,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1762227739, now seen corresponding path program 2 times [2019-11-20 10:32:36,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:36,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25281545] [2019-11-20 10:32:36,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:37,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25281545] [2019-11-20 10:32:37,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061043709] [2019-11-20 10:32:37,006 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:37,045 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 10:32:37,045 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:37,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 10:32:37,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:37,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:37,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2019-11-20 10:32:37,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067103723] [2019-11-20 10:32:37,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 10:32:37,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:37,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 10:32:37,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:32:37,054 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 7 states. [2019-11-20 10:32:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:37,174 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2019-11-20 10:32:37,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:32:37,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-20 10:32:37,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:37,175 INFO L225 Difference]: With dead ends: 35 [2019-11-20 10:32:37,175 INFO L226 Difference]: Without dead ends: 34 [2019-11-20 10:32:37,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:32:37,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-20 10:32:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2019-11-20 10:32:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 10:32:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-11-20 10:32:37,180 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 21 [2019-11-20 10:32:37,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:37,180 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-11-20 10:32:37,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 10:32:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-11-20 10:32:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:32:37,183 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:37,183 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1] [2019-11-20 10:32:37,385 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:37,385 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:37,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:37,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1536395917, now seen corresponding path program 3 times [2019-11-20 10:32:37,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:37,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154691041] [2019-11-20 10:32:37,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:37,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154691041] [2019-11-20 10:32:37,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788965] [2019-11-20 10:32:37,483 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:37,532 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-11-20 10:32:37,532 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:37,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 10:32:37,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:37,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:37,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2019-11-20 10:32:37,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861795990] [2019-11-20 10:32:37,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 10:32:37,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:37,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 10:32:37,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2019-11-20 10:32:37,674 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 15 states. [2019-11-20 10:32:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:38,093 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2019-11-20 10:32:38,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-20 10:32:38,094 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2019-11-20 10:32:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:38,095 INFO L225 Difference]: With dead ends: 40 [2019-11-20 10:32:38,095 INFO L226 Difference]: Without dead ends: 39 [2019-11-20 10:32:38,096 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2019-11-20 10:32:38,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-20 10:32:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2019-11-20 10:32:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-20 10:32:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2019-11-20 10:32:38,100 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 26 [2019-11-20 10:32:38,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:38,100 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2019-11-20 10:32:38,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 10:32:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2019-11-20 10:32:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:32:38,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:38,102 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1] [2019-11-20 10:32:38,302 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:38,302 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:38,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:38,303 INFO L82 PathProgramCache]: Analyzing trace with hash 992275125, now seen corresponding path program 3 times [2019-11-20 10:32:38,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:38,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50392368] [2019-11-20 10:32:38,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:38,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50392368] [2019-11-20 10:32:38,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565396483] [2019-11-20 10:32:38,409 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:38,452 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-11-20 10:32:38,453 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:38,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 10:32:38,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:38,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:38,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2019-11-20 10:32:38,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400811479] [2019-11-20 10:32:38,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 10:32:38,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:38,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 10:32:38,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-11-20 10:32:38,548 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 15 states. [2019-11-20 10:32:38,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:38,911 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2019-11-20 10:32:38,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 10:32:38,911 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2019-11-20 10:32:38,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:38,912 INFO L225 Difference]: With dead ends: 58 [2019-11-20 10:32:38,912 INFO L226 Difference]: Without dead ends: 56 [2019-11-20 10:32:38,913 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2019-11-20 10:32:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-20 10:32:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2019-11-20 10:32:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-20 10:32:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2019-11-20 10:32:38,919 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 28 [2019-11-20 10:32:38,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:38,920 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2019-11-20 10:32:38,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 10:32:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-11-20 10:32:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 10:32:38,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:38,921 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 1, 1] [2019-11-20 10:32:39,124 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:39,132 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:39,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1564327795, now seen corresponding path program 4 times [2019-11-20 10:32:39,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:39,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504083394] [2019-11-20 10:32:39,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:39,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504083394] [2019-11-20 10:32:39,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38155888] [2019-11-20 10:32:39,225 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:39,287 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-20 10:32:39,287 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:39,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 10:32:39,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:39,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:39,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-11-20 10:32:39,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252203078] [2019-11-20 10:32:39,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-20 10:32:39,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:39,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 10:32:39,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-20 10:32:39,305 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 11 states. [2019-11-20 10:32:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:39,500 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2019-11-20 10:32:39,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 10:32:39,500 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2019-11-20 10:32:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:39,501 INFO L225 Difference]: With dead ends: 53 [2019-11-20 10:32:39,501 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 10:32:39,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2019-11-20 10:32:39,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 10:32:39,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2019-11-20 10:32:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-20 10:32:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2019-11-20 10:32:39,508 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 40 [2019-11-20 10:32:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:39,509 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2019-11-20 10:32:39,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-20 10:32:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2019-11-20 10:32:39,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 10:32:39,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:39,510 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 1, 1] [2019-11-20 10:32:39,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:39,714 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:39,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:39,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1573811037, now seen corresponding path program 5 times [2019-11-20 10:32:39,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:39,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415962925] [2019-11-20 10:32:39,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:39,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415962925] [2019-11-20 10:32:39,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80361074] [2019-11-20 10:32:39,901 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:39,965 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-11-20 10:32:39,966 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:39,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 10:32:39,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:39,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:39,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2019-11-20 10:32:39,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232060333] [2019-11-20 10:32:39,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-20 10:32:39,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:39,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 10:32:39,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:32:39,981 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 12 states. [2019-11-20 10:32:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:40,193 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-11-20 10:32:40,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-20 10:32:40,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2019-11-20 10:32:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:40,195 INFO L225 Difference]: With dead ends: 61 [2019-11-20 10:32:40,195 INFO L226 Difference]: Without dead ends: 60 [2019-11-20 10:32:40,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2019-11-20 10:32:40,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-20 10:32:40,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-11-20 10:32:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-20 10:32:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2019-11-20 10:32:40,211 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 47 [2019-11-20 10:32:40,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:40,211 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2019-11-20 10:32:40,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-20 10:32:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2019-11-20 10:32:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 10:32:40,214 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:40,215 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1] [2019-11-20 10:32:40,419 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:40,420 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:40,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:40,420 INFO L82 PathProgramCache]: Analyzing trace with hash -603916827, now seen corresponding path program 4 times [2019-11-20 10:32:40,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:40,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045449807] [2019-11-20 10:32:40,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:40,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045449807] [2019-11-20 10:32:40,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327440769] [2019-11-20 10:32:40,617 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:40,671 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-20 10:32:40,671 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:40,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 10:32:40,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:40,685 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:40,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:40,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2019-11-20 10:32:40,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844424442] [2019-11-20 10:32:40,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-20 10:32:40,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:40,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 10:32:40,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-11-20 10:32:40,688 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 13 states. [2019-11-20 10:32:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:40,941 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-11-20 10:32:40,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-20 10:32:40,942 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2019-11-20 10:32:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:40,943 INFO L225 Difference]: With dead ends: 63 [2019-11-20 10:32:40,943 INFO L226 Difference]: Without dead ends: 62 [2019-11-20 10:32:40,943 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2019-11-20 10:32:40,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-20 10:32:40,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2019-11-20 10:32:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-11-20 10:32:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2019-11-20 10:32:40,949 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 49 [2019-11-20 10:32:40,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:40,949 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2019-11-20 10:32:40,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-20 10:32:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2019-11-20 10:32:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 10:32:40,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:40,951 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1] [2019-11-20 10:32:41,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:41,161 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:41,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:41,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1090881907, now seen corresponding path program 6 times [2019-11-20 10:32:41,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:41,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379623501] [2019-11-20 10:32:41,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:41,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379623501] [2019-11-20 10:32:41,374 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668840737] [2019-11-20 10:32:41,374 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:41,411 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2019-11-20 10:32:41,411 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:41,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 10:32:41,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:41,427 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:41,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:41,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2019-11-20 10:32:41,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269566339] [2019-11-20 10:32:41,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 10:32:41,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:41,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 10:32:41,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-20 10:32:41,429 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 14 states. [2019-11-20 10:32:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:41,694 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2019-11-20 10:32:41,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 10:32:41,695 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2019-11-20 10:32:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:41,695 INFO L225 Difference]: With dead ends: 68 [2019-11-20 10:32:41,696 INFO L226 Difference]: Without dead ends: 67 [2019-11-20 10:32:41,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2019-11-20 10:32:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-20 10:32:41,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-11-20 10:32:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-20 10:32:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-11-20 10:32:41,715 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 54 [2019-11-20 10:32:41,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:41,715 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-11-20 10:32:41,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 10:32:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-11-20 10:32:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:32:41,717 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:41,717 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1] [2019-11-20 10:32:41,917 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:41,918 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:41,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:41,918 INFO L82 PathProgramCache]: Analyzing trace with hash 365493941, now seen corresponding path program 5 times [2019-11-20 10:32:41,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:41,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486180324] [2019-11-20 10:32:41,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:42,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486180324] [2019-11-20 10:32:42,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621434278] [2019-11-20 10:32:42,071 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:42,117 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2019-11-20 10:32:42,117 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:42,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 10:32:42,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:42,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:42,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2019-11-20 10:32:42,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333067079] [2019-11-20 10:32:42,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 10:32:42,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:42,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 10:32:42,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-20 10:32:42,135 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 14 states. [2019-11-20 10:32:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:42,407 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-11-20 10:32:42,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 10:32:42,410 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2019-11-20 10:32:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:42,410 INFO L225 Difference]: With dead ends: 70 [2019-11-20 10:32:42,410 INFO L226 Difference]: Without dead ends: 69 [2019-11-20 10:32:42,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2019-11-20 10:32:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-20 10:32:42,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2019-11-20 10:32:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-20 10:32:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2019-11-20 10:32:42,417 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 56 [2019-11-20 10:32:42,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:42,417 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2019-11-20 10:32:42,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 10:32:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2019-11-20 10:32:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 10:32:42,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:42,419 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 1, 1] [2019-11-20 10:32:42,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:42,622 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:42,623 INFO L82 PathProgramCache]: Analyzing trace with hash -302873949, now seen corresponding path program 7 times [2019-11-20 10:32:42,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:42,623 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462611164] [2019-11-20 10:32:42,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:42,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462611164] [2019-11-20 10:32:42,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643941777] [2019-11-20 10:32:42,785 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:42,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 10:32:42,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:42,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:42,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2019-11-20 10:32:42,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751556345] [2019-11-20 10:32:42,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 10:32:42,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:42,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 10:32:42,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2019-11-20 10:32:42,857 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 15 states. [2019-11-20 10:32:43,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:43,204 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2019-11-20 10:32:43,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-20 10:32:43,204 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2019-11-20 10:32:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:43,205 INFO L225 Difference]: With dead ends: 75 [2019-11-20 10:32:43,205 INFO L226 Difference]: Without dead ends: 74 [2019-11-20 10:32:43,206 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2019-11-20 10:32:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-20 10:32:43,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2019-11-20 10:32:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-20 10:32:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2019-11-20 10:32:43,222 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 61 [2019-11-20 10:32:43,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:43,223 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2019-11-20 10:32:43,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 10:32:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2019-11-20 10:32:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 10:32:43,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:43,225 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1] [2019-11-20 10:32:43,429 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:43,429 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:43,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:43,430 INFO L82 PathProgramCache]: Analyzing trace with hash 995912677, now seen corresponding path program 6 times [2019-11-20 10:32:43,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:43,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056518448] [2019-11-20 10:32:43,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:43,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056518448] [2019-11-20 10:32:43,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594890394] [2019-11-20 10:32:43,631 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:43,696 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2019-11-20 10:32:43,696 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:43,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 10:32:43,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:43,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:43,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14 [2019-11-20 10:32:43,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681405596] [2019-11-20 10:32:43,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 10:32:43,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:43,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 10:32:43,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2019-11-20 10:32:43,715 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 16 states. [2019-11-20 10:32:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:44,027 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2019-11-20 10:32:44,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-20 10:32:44,029 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2019-11-20 10:32:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:44,030 INFO L225 Difference]: With dead ends: 77 [2019-11-20 10:32:44,030 INFO L226 Difference]: Without dead ends: 76 [2019-11-20 10:32:44,030 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2019-11-20 10:32:44,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-11-20 10:32:44,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2019-11-20 10:32:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-20 10:32:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2019-11-20 10:32:44,035 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 63 [2019-11-20 10:32:44,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:44,035 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2019-11-20 10:32:44,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 10:32:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2019-11-20 10:32:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 10:32:44,036 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:44,036 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 1, 1] [2019-11-20 10:32:44,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:44,241 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:44,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:44,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1637624973, now seen corresponding path program 8 times [2019-11-20 10:32:44,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:44,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605871576] [2019-11-20 10:32:44,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:44,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605871576] [2019-11-20 10:32:44,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386894350] [2019-11-20 10:32:44,447 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:44,487 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 10:32:44,487 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:44,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 10:32:44,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:44,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:44,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2019-11-20 10:32:44,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781891772] [2019-11-20 10:32:44,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-20 10:32:44,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:44,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-20 10:32:44,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-11-20 10:32:44,506 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 17 states. [2019-11-20 10:32:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:44,852 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2019-11-20 10:32:44,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-20 10:32:44,853 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 68 [2019-11-20 10:32:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:44,853 INFO L225 Difference]: With dead ends: 82 [2019-11-20 10:32:44,853 INFO L226 Difference]: Without dead ends: 81 [2019-11-20 10:32:44,854 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=312, Invalid=680, Unknown=0, NotChecked=0, Total=992 [2019-11-20 10:32:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-20 10:32:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2019-11-20 10:32:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-20 10:32:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2019-11-20 10:32:44,860 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 68 [2019-11-20 10:32:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:44,860 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2019-11-20 10:32:44,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-20 10:32:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2019-11-20 10:32:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 10:32:44,861 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:44,862 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1] [2019-11-20 10:32:45,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:45,065 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:45,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:45,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1799567179, now seen corresponding path program 7 times [2019-11-20 10:32:45,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:45,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305527211] [2019-11-20 10:32:45,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:45,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305527211] [2019-11-20 10:32:45,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328580789] [2019-11-20 10:32:45,224 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:45,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 10:32:45,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:45,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:45,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2019-11-20 10:32:45,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748955114] [2019-11-20 10:32:45,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-20 10:32:45,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:45,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-20 10:32:45,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-11-20 10:32:45,286 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 17 states. [2019-11-20 10:32:45,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:32:45,662 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2019-11-20 10:32:45,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-20 10:32:45,662 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 70 [2019-11-20 10:32:45,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:32:45,663 INFO L225 Difference]: With dead ends: 84 [2019-11-20 10:32:45,663 INFO L226 Difference]: Without dead ends: 83 [2019-11-20 10:32:45,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=312, Invalid=680, Unknown=0, NotChecked=0, Total=992 [2019-11-20 10:32:45,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-20 10:32:45,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-11-20 10:32:45,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-20 10:32:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2019-11-20 10:32:45,668 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 70 [2019-11-20 10:32:45,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:32:45,668 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2019-11-20 10:32:45,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-20 10:32:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2019-11-20 10:32:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:32:45,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:32:45,669 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1] [2019-11-20 10:32:45,870 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:45,870 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:32:45,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:32:45,871 INFO L82 PathProgramCache]: Analyzing trace with hash -2117273437, now seen corresponding path program 9 times [2019-11-20 10:32:45,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:32:45,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317877162] [2019-11-20 10:32:45,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:32:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:32:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:32:46,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317877162] [2019-11-20 10:32:46,127 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761041907] [2019-11-20 10:32:46,127 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:32:46,184 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-11-20 10:32:46,185 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:32:46,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-20 10:32:46,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:32:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 123 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:32:48,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:32:48,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 35 [2019-11-20 10:32:48,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650305673] [2019-11-20 10:32:48,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-11-20 10:32:48,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:32:48,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-11-20 10:32:48,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1148, Unknown=1, NotChecked=0, Total=1260 [2019-11-20 10:32:48,396 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 36 states. [2019-11-20 10:32:50,402 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2019-11-20 10:32:50,590 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2019-11-20 10:32:50,997 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-11-20 10:32:51,271 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-20 10:32:51,513 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-11-20 10:32:51,788 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-11-20 10:32:52,167 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2019-11-20 10:32:52,394 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-11-20 10:32:52,608 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-20 10:32:52,817 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-11-20 10:32:53,259 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-11-20 10:32:53,480 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-20 10:32:53,857 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-11-20 10:32:54,236 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-11-20 10:32:54,606 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2019-11-20 10:32:54,863 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-11-20 10:32:55,081 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-20 10:32:55,360 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-11-20 10:32:55,814 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-11-20 10:32:56,051 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-20 10:32:56,272 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-11-20 10:32:56,537 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-11-20 10:32:56,940 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2019-11-20 10:32:57,201 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-11-20 10:32:57,479 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-11-20 10:32:57,898 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-11-20 10:32:58,349 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2019-11-20 10:32:59,771 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-11-20 10:33:00,990 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-11-20 10:33:01,293 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-11-20 10:33:02,548 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-11-20 10:33:02,811 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2019-11-20 10:33:03,044 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-11-20 10:33:04,302 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-11-20 10:33:05,350 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-11-20 10:33:05,938 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-11-20 10:33:08,516 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-11-20 10:33:08,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:33:08,534 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2019-11-20 10:33:08,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-11-20 10:33:08,535 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 75 [2019-11-20 10:33:08,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:33:08,536 INFO L225 Difference]: With dead ends: 88 [2019-11-20 10:33:08,536 INFO L226 Difference]: Without dead ends: 87 [2019-11-20 10:33:08,541 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=1674, Invalid=7637, Unknown=1, NotChecked=0, Total=9312 [2019-11-20 10:33:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-11-20 10:33:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2019-11-20 10:33:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-20 10:33:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2019-11-20 10:33:08,547 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 75 [2019-11-20 10:33:08,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:33:08,547 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2019-11-20 10:33:08,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-11-20 10:33:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2019-11-20 10:33:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:33:08,548 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:33:08,549 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1] [2019-11-20 10:33:08,749 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:33:08,749 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:33:08,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:33:08,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1114726885, now seen corresponding path program 8 times [2019-11-20 10:33:08,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:33:08,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115544920] [2019-11-20 10:33:08,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:33:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:08,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115544920] [2019-11-20 10:33:08,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163973606] [2019-11-20 10:33:08,965 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:33:09,008 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 10:33:09,008 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:33:09,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 10:33:09,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:33:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:09,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:33:09,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 17 [2019-11-20 10:33:09,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977389035] [2019-11-20 10:33:09,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-20 10:33:09,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:33:09,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-20 10:33:09,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2019-11-20 10:33:09,027 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 19 states. [2019-11-20 10:33:09,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:33:09,462 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2019-11-20 10:33:09,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-20 10:33:09,463 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2019-11-20 10:33:09,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:33:09,464 INFO L225 Difference]: With dead ends: 90 [2019-11-20 10:33:09,464 INFO L226 Difference]: Without dead ends: 89 [2019-11-20 10:33:09,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=393, Invalid=867, Unknown=0, NotChecked=0, Total=1260 [2019-11-20 10:33:09,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-20 10:33:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2019-11-20 10:33:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-20 10:33:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2019-11-20 10:33:09,472 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 77 [2019-11-20 10:33:09,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:33:09,472 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2019-11-20 10:33:09,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-20 10:33:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2019-11-20 10:33:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 10:33:09,474 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:33:09,474 INFO L410 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1] [2019-11-20 10:33:09,686 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:33:09,686 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 10:33:09,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:33:09,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1874390347, now seen corresponding path program 9 times [2019-11-20 10:33:09,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:33:09,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020988507] [2019-11-20 10:33:09,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:33:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:33:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:33:09,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020988507] [2019-11-20 10:33:09,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205435783] [2019-11-20 10:33:09,950 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:33:09,990 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-11-20 10:33:09,990 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 10:33:09,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 34 conjunts are in the unsatisfiable core [2019-11-20 10:33:09,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:33:13,813 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int)) (let ((.cse0 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (and (<= (+ .cse0 c_ULTIMATE.start_main_~x~0 4) v_ULTIMATE.start_main_~x~0_33) (<= (+ v_ULTIMATE.start_main_~x~0_33 c_ULTIMATE.start_main_~d2~0) 2147483648) (<= (+ .cse0 c_ULTIMATE.start_main_~d2~0 c_ULTIMATE.start_main_~x~0) 2147483644) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ v_ULTIMATE.start_main_~x~0_30 c_ULTIMATE.start_main_~x~0) 4294967290) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) (* .cse0 (- 1)) (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) c_ULTIMATE.start_main_~x~0 1) v_ULTIMATE.start_main_~x~0_33) (<= (+ .cse0 v_prenex_2 c_ULTIMATE.start_main_~x~0) 2147483640)))) is different from true [2019-11-20 10:33:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 145 proven. 278 refuted. 1 times theorem prover too weak. 9 trivial. 18 not checked. [2019-11-20 10:33:17,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:33:17,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 27] total 45 [2019-11-20 10:33:17,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628431023] [2019-11-20 10:33:17,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-11-20 10:33:17,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:33:17,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-11-20 10:33:17,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1826, Unknown=5, NotChecked=86, Total=2070 [2019-11-20 10:33:17,359 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 46 states. [2019-11-20 10:33:24,886 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 78 [2019-11-20 10:33:32,355 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2019-11-20 10:33:34,146 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 54 [2019-11-20 10:33:35,624 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2019-11-20 10:33:37,121 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 71 [2019-11-20 10:33:47,810 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 10:33:52,030 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-20 10:33:53,995 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 93 [2019-11-20 10:33:54,433 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 10:33:59,299 WARN L191 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 108 [2019-11-20 10:34:04,150 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 77 [2019-11-20 10:34:08,639 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 106 [2019-11-20 10:34:17,614 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-11-20 10:34:18,835 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 124 DAG size of output: 55 [2019-11-20 10:34:22,438 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 48 [2019-11-20 10:34:28,847 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2019-11-20 10:34:33,019 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 73 [2019-11-20 10:34:35,771 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 136 DAG size of output: 72 [2019-11-20 10:34:38,793 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 138 DAG size of output: 74 [2019-11-20 10:34:44,048 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 80 [2019-11-20 10:34:49,242 WARN L191 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 162 DAG size of output: 110 [2019-11-20 10:34:57,850 WARN L191 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 167 DAG size of output: 107 [2019-11-20 10:35:08,137 WARN L191 SmtUtils]: Spent 9.86 s on a formula simplification. DAG size of input: 168 DAG size of output: 104 [2019-11-20 10:35:18,969 WARN L191 SmtUtils]: Spent 10.35 s on a formula simplification. DAG size of input: 170 DAG size of output: 80 [2019-11-20 10:35:24,331 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-11-20 10:35:33,280 WARN L191 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 161 DAG size of output: 109 [2019-11-20 10:35:46,421 WARN L191 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 162 DAG size of output: 102 [2019-11-20 10:36:00,501 WARN L191 SmtUtils]: Spent 11.68 s on a formula simplification. DAG size of input: 163 DAG size of output: 101 [2019-11-20 10:36:12,057 WARN L191 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 165 DAG size of output: 77 [2019-11-20 10:36:20,596 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-11-20 10:36:33,193 WARN L191 SmtUtils]: Spent 8.68 s on a formula simplification. DAG size of input: 162 DAG size of output: 110 [2019-11-20 10:36:45,566 WARN L191 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 167 DAG size of output: 107 [2019-11-20 10:36:57,134 WARN L191 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 168 DAG size of output: 104 [2019-11-20 10:37:10,275 WARN L191 SmtUtils]: Spent 12.27 s on a formula simplification. DAG size of input: 170 DAG size of output: 80 [2019-11-20 10:37:19,643 WARN L191 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-11-20 10:37:30,162 WARN L191 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 161 DAG size of output: 109 [2019-11-20 10:37:36,812 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 166 DAG size of output: 106 [2019-11-20 10:37:48,156 WARN L191 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 167 DAG size of output: 103 [2019-11-20 10:37:58,784 WARN L191 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2019-11-20 10:38:08,749 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 73 [2019-11-20 10:38:17,917 WARN L191 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 162 DAG size of output: 110 [2019-11-20 10:38:28,393 WARN L191 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2019-11-20 10:38:47,117 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 164 DAG size of output: 102 [2019-11-20 10:39:00,072 WARN L191 SmtUtils]: Spent 8.01 s on a formula simplification. DAG size of input: 166 DAG size of output: 78 [2019-11-20 10:39:10,107 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-11-20 10:39:21,551 WARN L191 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 161 DAG size of output: 109 [2019-11-20 10:39:48,828 WARN L191 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 167 DAG size of output: 135 [2019-11-20 10:40:13,258 WARN L191 SmtUtils]: Spent 15.24 s on a formula simplification. DAG size of input: 167 DAG size of output: 129 [2019-11-20 10:40:29,506 WARN L191 SmtUtils]: Spent 12.20 s on a formula simplification. DAG size of input: 169 DAG size of output: 108 [2019-11-20 10:40:38,735 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2019-11-20 10:40:51,945 WARN L191 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 161 DAG size of output: 148 [2019-11-20 10:41:26,381 WARN L191 SmtUtils]: Spent 13.98 s on a formula simplification. DAG size of input: 183 DAG size of output: 164 [2019-11-20 10:41:45,450 WARN L191 SmtUtils]: Spent 12.01 s on a formula simplification. DAG size of input: 183 DAG size of output: 158 [2019-11-20 10:42:17,167 WARN L191 SmtUtils]: Spent 21.40 s on a formula simplification. DAG size of input: 185 DAG size of output: 144 [2019-11-20 10:42:32,461 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-20 10:42:51,352 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 169 [2019-11-20 10:43:17,122 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 179 DAG size of output: 173 [2019-11-20 10:43:53,492 WARN L191 SmtUtils]: Spent 17.41 s on a formula simplification. DAG size of input: 181 DAG size of output: 171 [2019-11-20 10:44:25,805 WARN L191 SmtUtils]: Spent 19.86 s on a formula simplification. DAG size of input: 193 DAG size of output: 173 [2019-11-20 10:44:49,536 WARN L191 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 166 [2019-11-20 10:44:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:44:51,582 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2019-11-20 10:44:51,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-11-20 10:44:51,583 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 84 [2019-11-20 10:44:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:44:51,584 INFO L225 Difference]: With dead ends: 98 [2019-11-20 10:44:51,584 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:44:51,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2713 ImplicationChecksByTransitivity, 636.8s TimeCoverageRelationStatistics Valid=2003, Invalid=10361, Unknown=72, NotChecked=220, Total=12656 [2019-11-20 10:44:51,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:44:51,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:44:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:44:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:44:51,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2019-11-20 10:44:51,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:44:51,588 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:44:51,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-11-20 10:44:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:44:51,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:44:51,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:44:51,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:44:51,968 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2019-11-20 10:45:10,000 WARN L191 SmtUtils]: Spent 18.03 s on a formula simplification. DAG size of input: 314 DAG size of output: 138 [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-20 10:45:10,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2019-11-20 10:45:10,004 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:45:10,004 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-20 10:45:10,004 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:45:10,004 INFO L447 ceAbstractionStarter]: At program point L28(lines 16 29) the Hoare annotation is: true [2019-11-20 10:45:10,004 INFO L444 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2019-11-20 10:45:10,004 INFO L444 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2019-11-20 10:45:10,005 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (let ((.cse11 (+ ULTIMATE.start_main_~d1old~0 ULTIMATE.start_main_~x~0)) (.cse9 (+ ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0))) (let ((.cse2 (<= ULTIMATE.start_main_~d2~0 74)) (.cse3 (<= 75 ULTIMATE.start_main_~d1~0)) (.cse0 (<= 74 ULTIMATE.start_main_~d2~0)) (.cse1 (<= 73 ULTIMATE.start_main_~d1old~0)) (.cse4 (<= 1 .cse9)) (.cse5 (<= .cse11 2147483647))) (or (and .cse0 .cse1 (<= ULTIMATE.start_main_~d1~0 75) .cse2 .cse3 (<= ULTIMATE.start_main_~d1old~0 73) .cse4 .cse5) (and .cse0 (<= 73 ULTIMATE.start_main_~d1~0) .cse2 (<= ULTIMATE.start_main_~d1~0 73) (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~d1~0 2147483574))) (and (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int) (ULTIMATE.start_main_~x~0 Int)) (let ((.cse6 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (and (<= (+ .cse6 v_prenex_2 ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0) 2147483642) (<= ULTIMATE.start_main_~d1~0 (+ (div (+ (- .cse6) (- ULTIMATE.start_main_~x~0) 2147483645) 2) 2)) (<= (+ v_ULTIMATE.start_main_~x~0_30 ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0) 4294967292) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ ULTIMATE.start_main_~d1~0 v_ULTIMATE.start_main_~x~0_33) 2147483651) (<= (+ .cse6 ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0 2) v_ULTIMATE.start_main_~x~0_33) (<= 0 ULTIMATE.start_main_~x~0) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) (* .cse6 (- 1)) (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0) (+ v_ULTIMATE.start_main_~x~0_33 1))))) (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int)) (let ((.cse7 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (and (<= (+ ULTIMATE.start_main_~d1old~0 .cse7 v_prenex_2 ULTIMATE.start_main_~x~0) 2147483640) (<= ULTIMATE.start_main_~d1old~0 (div (+ (- .cse7) (- ULTIMATE.start_main_~x~0) 2147483645) 2)) (<= (+ ULTIMATE.start_main_~d1old~0 .cse7 ULTIMATE.start_main_~x~0 4) v_ULTIMATE.start_main_~x~0_33) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) (* .cse7 (- 1)) (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) ULTIMATE.start_main_~d1old~0 ULTIMATE.start_main_~x~0 1) v_ULTIMATE.start_main_~x~0_33) (<= (+ ULTIMATE.start_main_~d1old~0 v_ULTIMATE.start_main_~x~0_33) 2147483649) (<= (+ v_ULTIMATE.start_main_~x~0_30 ULTIMATE.start_main_~d1old~0 ULTIMATE.start_main_~x~0) 4294967290)))) (and (and .cse3 .cse0 (<= ULTIMATE.start_main_~x~0 2147483499) .cse1) (exists ((v_prenex_1 Int)) (let ((.cse8 (div (+ v_prenex_1 2147483644) (- 2)))) (and (<= ULTIMATE.start_main_~d2~0 (+ (div (+ (- ULTIMATE.start_main_~x~0) (- .cse8) 2147483647) 2) 1)) (<= (+ ULTIMATE.start_main_~d2~0 v_prenex_1 ULTIMATE.start_main_~x~0 .cse8) 2147483645)))) (<= .cse9 2147483648) (exists ((v_prenex_1 Int)) (let ((.cse10 (div (+ v_prenex_1 2147483644) (- 2)))) (and (<= (+ (* 2 ULTIMATE.start_main_~d1old~0) ULTIMATE.start_main_~x~0 .cse10) 2147483647) (<= (+ ULTIMATE.start_main_~d1old~0 v_prenex_1 ULTIMATE.start_main_~x~0 .cse10) 2147483644)))) (<= 0 .cse11) .cse4 .cse5 (exists ((v_prenex_1 Int)) (let ((.cse12 (div (+ v_prenex_1 2147483644) (- 2)))) (and (<= (+ v_prenex_1 .cse12 ULTIMATE.start_main_~x~0) 2147483644) (<= (+ ULTIMATE.start_main_~d1~0 .cse12 ULTIMATE.start_main_~x~0) 2147483647))))) (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int)) (let ((.cse13 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (and (<= (+ .cse13 ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0 3) v_ULTIMATE.start_main_~x~0_33) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ v_ULTIMATE.start_main_~x~0_33 ULTIMATE.start_main_~d2~0) 2147483650) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) (* .cse13 (- 1)) (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0) v_ULTIMATE.start_main_~x~0_33) (<= ULTIMATE.start_main_~d2~0 (+ (div (+ (- .cse13) (- ULTIMATE.start_main_~x~0) 2147483645) 2) 1)) (<= (+ .cse13 v_prenex_2 ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0) 2147483641) (<= (+ v_ULTIMATE.start_main_~x~0_30 ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0) 4294967291)))))))) [2019-11-20 10:45:10,005 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-20 10:45:10,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:45:10 BoogieIcfgContainer [2019-11-20 10:45:10,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:45:10,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:45:10,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:45:10,083 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:45:10,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:32" (3/4) ... [2019-11-20 10:45:10,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:45:10,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:45:10,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:45:10,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((74 <= d2 && 73 <= d1\old) && d1 <= 75) && d2 <= 74) && 75 <= d1) && d1\old <= 73) && 1 <= d2 + x) && d1\old + x <= 2147483647) || ((((74 <= d2 && 73 <= d1) && d2 <= 74) && d1 <= 73) && x <= d1 + 2147483574)) || ((((\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int, ULTIMATE.start_main_~x~0 : int :: (((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d1 + ULTIMATE.start_main_~x~0 <= 2147483642 && d1 <= (-((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2) + -ULTIMATE.start_main_~x~0 + 2147483645) / 2 + 2) && v_ULTIMATE.start_main_~x~0_30 + d1 + ULTIMATE.start_main_~x~0 <= 4294967292) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && d1 + v_ULTIMATE.start_main_~x~0_33 <= 2147483651) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d1 + ULTIMATE.start_main_~x~0 + 2 <= v_ULTIMATE.start_main_~x~0_33) && 0 <= ULTIMATE.start_main_~x~0) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1 + ULTIMATE.start_main_~x~0 <= v_ULTIMATE.start_main_~x~0_33 + 1) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: (((((d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + x <= 2147483640 && d1\old <= (-((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2) + -x + 2147483645) / 2) && d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + x + 4 <= v_ULTIMATE.start_main_~x~0_33) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1\old + x + 1 <= v_ULTIMATE.start_main_~x~0_33) && d1\old + v_ULTIMATE.start_main_~x~0_33 <= 2147483649) && v_ULTIMATE.start_main_~x~0_30 + d1\old + x <= 4294967290)) && (((((((((75 <= d1 && 74 <= d2) && x <= 2147483499) && 73 <= d1\old) && (\exists v_prenex_1 : int :: d2 <= (-x + -((v_prenex_1 + 2147483644) / -2) + 2147483647) / 2 + 1 && d2 + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483645)) && d2 + x <= 2147483648) && (\exists v_prenex_1 : int :: 2 * d1\old + x + (v_prenex_1 + 2147483644) / -2 <= 2147483647 && d1\old + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483644)) && 0 <= d1\old + x) && 1 <= d2 + x) && d1\old + x <= 2147483647) && (\exists v_prenex_1 : int :: v_prenex_1 + (v_prenex_1 + 2147483644) / -2 + x <= 2147483644 && d1 + (v_prenex_1 + 2147483644) / -2 + x <= 2147483647)) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: ((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d2 + x + 3 <= v_ULTIMATE.start_main_~x~0_33 && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && v_ULTIMATE.start_main_~x~0_33 + d2 <= 2147483650) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d2 + x <= v_ULTIMATE.start_main_~x~0_33) && d2 <= (-((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2) + -x + 2147483645) / 2 + 1) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d2 + x <= 2147483641) && v_ULTIMATE.start_main_~x~0_30 + d2 + x <= 4294967291)) [2019-11-20 10:45:10,134 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1226cf40-3a6d-4be8-b8e7-33933b0026be/bin/uautomizer/witness.graphml [2019-11-20 10:45:10,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:45:10,135 INFO L168 Benchmark]: Toolchain (without parser) took 758611.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 948.7 MB in the beginning and 929.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:45:10,136 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:45:10,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:45:10,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:45:10,136 INFO L168 Benchmark]: Boogie Preprocessor took 18.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:45:10,137 INFO L168 Benchmark]: RCFGBuilder took 264.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:45:10,137 INFO L168 Benchmark]: TraceAbstraction took 757835.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 931.5 MB in the end (delta: 190.6 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:45:10,138 INFO L168 Benchmark]: Witness Printer took 51.54 ms. Allocated memory is still 1.2 GB. Free memory was 931.5 MB in the beginning and 929.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:45:10,139 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 264.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 757835.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 931.5 MB in the end (delta: 190.6 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.54 ms. Allocated memory is still 1.2 GB. Free memory was 931.5 MB in the beginning and 929.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2019-11-20 10:45:10,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-11-20 10:45:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-11-20 10:45:10,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-11-20 10:45:10,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-11-20 10:45:10,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-11-20 10:45:10,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] Derived loop invariant: ((((((((74 <= d2 && 73 <= d1\old) && d1 <= 75) && d2 <= 74) && 75 <= d1) && d1\old <= 73) && 1 <= d2 + x) && d1\old + x <= 2147483647) || ((((74 <= d2 && 73 <= d1) && d2 <= 74) && d1 <= 73) && x <= d1 + 2147483574)) || ((((\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int, ULTIMATE.start_main_~x~0 : int :: (((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d1 + ULTIMATE.start_main_~x~0 <= 2147483642 && d1 <= (-((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2) + -ULTIMATE.start_main_~x~0 + 2147483645) / 2 + 2) && v_ULTIMATE.start_main_~x~0_30 + d1 + ULTIMATE.start_main_~x~0 <= 4294967292) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && d1 + v_ULTIMATE.start_main_~x~0_33 <= 2147483651) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d1 + ULTIMATE.start_main_~x~0 + 2 <= v_ULTIMATE.start_main_~x~0_33) && 0 <= ULTIMATE.start_main_~x~0) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1 + ULTIMATE.start_main_~x~0 <= v_ULTIMATE.start_main_~x~0_33 + 1) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: (((((d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + x <= 2147483640 && d1\old <= (-((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2) + -x + 2147483645) / 2) && d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + x + 4 <= v_ULTIMATE.start_main_~x~0_33) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1\old + x + 1 <= v_ULTIMATE.start_main_~x~0_33) && d1\old + v_ULTIMATE.start_main_~x~0_33 <= 2147483649) && v_ULTIMATE.start_main_~x~0_30 + d1\old + x <= 4294967290)) && (((((((((75 <= d1 && 74 <= d2) && x <= 2147483499) && 73 <= d1\old) && (\exists v_prenex_1 : int :: d2 <= (-x + -((v_prenex_1 + 2147483644) / -2) + 2147483647) / 2 + 1 && d2 + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483645)) && d2 + x <= 2147483648) && (\exists v_prenex_1 : int :: 2 * d1\old + x + (v_prenex_1 + 2147483644) / -2 <= 2147483647 && d1\old + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483644)) && 0 <= d1\old + x) && 1 <= d2 + x) && d1\old + x <= 2147483647) && (\exists v_prenex_1 : int :: v_prenex_1 + (v_prenex_1 + 2147483644) / -2 + x <= 2147483644 && d1 + (v_prenex_1 + 2147483644) / -2 + x <= 2147483647)) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: ((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d2 + x + 3 <= v_ULTIMATE.start_main_~x~0_33 && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && v_ULTIMATE.start_main_~x~0_33 + d2 <= 2147483650) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d2 + x <= v_ULTIMATE.start_main_~x~0_33) && d2 <= (-((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2) + -x + 2147483645) / 2 + 1) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d2 + x <= 2147483641) && v_ULTIMATE.start_main_~x~0_30 + d2 + x <= 4294967291)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 6 error locations. Result: SAFE, OverallTime: 757.6s, OverallIterations: 29, TraceHistogramMax: 12, AutomataDifference: 719.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.2s, HoareTripleCheckerStatistics: 189 SDtfs, 1488 SDslu, 499 SDs, 0 SdLazy, 3295 SolverSat, 898 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 66.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1427 GetRequests, 828 SyntacticMatches, 0 SemanticMatches, 599 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6246 ImplicationChecksByTransitivity, 663.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 29 MinimizatonAttempts, 114 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 17 NumberOfFragments, 410 HoareAnnotationTreeSize, 2 FomulaSimplifications, 25178 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 2 FomulaSimplificationsInter, 58722 FormulaSimplificationTreeSizeReductionInter, 18.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 1880 NumberOfCodeBlocks, 1859 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 1829 ConstructedInterpolants, 77 QuantifiedInterpolants, 580867 SizeOfPredicates, 191 NumberOfNonLiveVariables, 2070 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 51 InterpolantComputations, 8 PerfectInterpolantSequences, 402/6225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...