./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 8e1064ca8851049d7703c5646c80faf613ee8a93 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:30:19,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:30:19,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:30:19,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:30:19,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:30:19,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:30:19,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:30:19,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:30:19,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:30:19,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:30:19,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:30:19,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:30:19,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:30:19,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:30:19,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:30:19,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:30:19,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:30:19,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:30:19,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:30:19,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:30:19,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:30:19,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:30:19,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:30:19,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:30:19,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:30:19,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:30:19,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:30:19,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:30:19,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:30:19,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:30:19,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:30:19,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:30:19,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:30:19,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:30:19,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:30:19,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:30:19,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:30:19,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:30:19,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:30:19,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:30:19,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:30:19,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-20 06:30:19,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:30:19,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:30:19,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:30:19,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:30:19,248 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:30:19,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:30:19,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:30:19,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:30:19,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:30:19,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:30:19,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:30:19,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:30:19,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:30:19,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:30:19,250 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:30:19,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:30:19,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:30:19,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:30:19,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:30:19,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:30:19,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:30:19,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:30:19,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:30:19,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:30:19,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:30:19,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:30:19,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:30:19,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:30:19,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:30:19,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:30:19,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:30:19,253 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e1064ca8851049d7703c5646c80faf613ee8a93 [2020-10-20 06:30:19,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:30:19,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:30:19,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:30:19,468 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:30:19,468 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:30:19,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2020-10-20 06:30:19,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5260edde9/dcb24441aefe4634a832d5169a5c4a6d/FLAG451371f32 [2020-10-20 06:30:20,022 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:30:20,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2020-10-20 06:30:20,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5260edde9/dcb24441aefe4634a832d5169a5c4a6d/FLAG451371f32 [2020-10-20 06:30:20,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5260edde9/dcb24441aefe4634a832d5169a5c4a6d [2020-10-20 06:30:20,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:30:20,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:30:20,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:30:20,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:30:20,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:30:20,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:20,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4216578d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20, skipping insertion in model container [2020-10-20 06:30:20,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:20,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:30:20,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:30:20,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:30:20,805 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:30:20,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:30:20,958 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:30:20,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20 WrapperNode [2020-10-20 06:30:20,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:30:20,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:30:20,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:30:20,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:30:20,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:20,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:30:21,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:30:21,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:30:21,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:30:21,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... [2020-10-20 06:30:21,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:30:21,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:30:21,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:30:21,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:30:21,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:30:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:30:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:30:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:30:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:30:22,448 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:30:22,449 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-20 06:30:22,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:22 BoogieIcfgContainer [2020-10-20 06:30:22,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:30:22,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:30:22,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:30:22,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:30:22,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:30:20" (1/3) ... [2020-10-20 06:30:22,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d21122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:30:22, skipping insertion in model container [2020-10-20 06:30:22,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:20" (2/3) ... [2020-10-20 06:30:22,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d21122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:30:22, skipping insertion in model container [2020-10-20 06:30:22,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:22" (3/3) ... [2020-10-20 06:30:22,472 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2020-10-20 06:30:22,486 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:30:22,498 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 42 error locations. [2020-10-20 06:30:22,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-10-20 06:30:22,562 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:30:22,562 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:30:22,563 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:30:22,563 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:30:22,563 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:30:22,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:30:22,563 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:30:22,563 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:30:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-10-20 06:30:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 06:30:22,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:22,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:22,591 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:22,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:22,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1915241167, now seen corresponding path program 1 times [2020-10-20 06:30:22,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:22,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766212896] [2020-10-20 06:30:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:22,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766212896] [2020-10-20 06:30:22,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:22,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:30:22,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116145851] [2020-10-20 06:30:22,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:22,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:22,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:22,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:22,821 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 3 states. [2020-10-20 06:30:22,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:22,972 INFO L93 Difference]: Finished difference Result 393 states and 603 transitions. [2020-10-20 06:30:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:22,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-20 06:30:22,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:22,989 INFO L225 Difference]: With dead ends: 393 [2020-10-20 06:30:22,990 INFO L226 Difference]: Without dead ends: 168 [2020-10-20 06:30:22,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:23,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-20 06:30:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2020-10-20 06:30:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-10-20 06:30:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2020-10-20 06:30:23,050 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 11 [2020-10-20 06:30:23,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:23,050 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2020-10-20 06:30:23,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2020-10-20 06:30:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 06:30:23,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:23,052 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:23,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:30:23,052 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:23,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:23,053 INFO L82 PathProgramCache]: Analyzing trace with hash 101136252, now seen corresponding path program 1 times [2020-10-20 06:30:23,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:23,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335915815] [2020-10-20 06:30:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:23,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335915815] [2020-10-20 06:30:23,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:23,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:30:23,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158143719] [2020-10-20 06:30:23,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:23,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:23,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:23,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:23,204 INFO L87 Difference]: Start difference. First operand 168 states and 213 transitions. Second operand 3 states. [2020-10-20 06:30:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:23,444 INFO L93 Difference]: Finished difference Result 456 states and 625 transitions. [2020-10-20 06:30:23,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:23,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 06:30:23,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:23,448 INFO L225 Difference]: With dead ends: 456 [2020-10-20 06:30:23,448 INFO L226 Difference]: Without dead ends: 265 [2020-10-20 06:30:23,451 INFO L677 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 [2020-10-20 06:30:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-20 06:30:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 259. [2020-10-20 06:30:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-20 06:30:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 351 transitions. [2020-10-20 06:30:23,472 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 351 transitions. Word has length 17 [2020-10-20 06:30:23,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:23,473 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 351 transitions. [2020-10-20 06:30:23,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 351 transitions. [2020-10-20 06:30:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 06:30:23,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:23,475 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:23,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:30:23,475 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:23,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2081470014, now seen corresponding path program 1 times [2020-10-20 06:30:23,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:23,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369527386] [2020-10-20 06:30:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:23,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369527386] [2020-10-20 06:30:23,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:23,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:30:23,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791967825] [2020-10-20 06:30:23,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:23,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:23,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:23,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:23,622 INFO L87 Difference]: Start difference. First operand 259 states and 351 transitions. Second operand 3 states. [2020-10-20 06:30:23,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:23,695 INFO L93 Difference]: Finished difference Result 364 states and 499 transitions. [2020-10-20 06:30:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:23,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 06:30:23,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:23,698 INFO L225 Difference]: With dead ends: 364 [2020-10-20 06:30:23,698 INFO L226 Difference]: Without dead ends: 356 [2020-10-20 06:30:23,699 INFO L677 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 [2020-10-20 06:30:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-10-20 06:30:23,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2020-10-20 06:30:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-20 06:30:23,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 484 transitions. [2020-10-20 06:30:23,721 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 484 transitions. Word has length 19 [2020-10-20 06:30:23,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:23,722 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 484 transitions. [2020-10-20 06:30:23,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 484 transitions. [2020-10-20 06:30:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 06:30:23,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:23,724 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:23,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 06:30:23,749 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:23,749 INFO L82 PathProgramCache]: Analyzing trace with hash 851576329, now seen corresponding path program 1 times [2020-10-20 06:30:23,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:23,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705208744] [2020-10-20 06:30:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 06:30:23,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705208744] [2020-10-20 06:30:23,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:23,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:30:23,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554610526] [2020-10-20 06:30:23,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:23,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:23,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:23,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:23,822 INFO L87 Difference]: Start difference. First operand 350 states and 484 transitions. Second operand 3 states. [2020-10-20 06:30:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:23,874 INFO L93 Difference]: Finished difference Result 724 states and 1011 transitions. [2020-10-20 06:30:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:23,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 06:30:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:23,877 INFO L225 Difference]: With dead ends: 724 [2020-10-20 06:30:23,878 INFO L226 Difference]: Without dead ends: 377 [2020-10-20 06:30:23,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:23,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-20 06:30:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2020-10-20 06:30:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-20 06:30:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 521 transitions. [2020-10-20 06:30:23,900 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 521 transitions. Word has length 28 [2020-10-20 06:30:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:23,901 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 521 transitions. [2020-10-20 06:30:23,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 521 transitions. [2020-10-20 06:30:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 06:30:23,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:23,907 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:23,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 06:30:23,910 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:23,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:23,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1974679586, now seen corresponding path program 1 times [2020-10-20 06:30:23,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:23,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385734552] [2020-10-20 06:30:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:24,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-20 06:30:24,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385734552] [2020-10-20 06:30:24,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:30:24,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:30:24,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493565636] [2020-10-20 06:30:24,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:24,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:24,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:24,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:30:24,038 INFO L87 Difference]: Start difference. First operand 377 states and 521 transitions. Second operand 3 states. [2020-10-20 06:30:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:24,153 INFO L93 Difference]: Finished difference Result 736 states and 1042 transitions. [2020-10-20 06:30:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:24,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-10-20 06:30:24,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:24,156 INFO L225 Difference]: With dead ends: 736 [2020-10-20 06:30:24,156 INFO L226 Difference]: Without dead ends: 362 [2020-10-20 06:30:24,157 INFO L677 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 [2020-10-20 06:30:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-10-20 06:30:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2020-10-20 06:30:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-20 06:30:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 499 transitions. [2020-10-20 06:30:24,170 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 499 transitions. Word has length 31 [2020-10-20 06:30:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:24,171 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 499 transitions. [2020-10-20 06:30:24,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 499 transitions. [2020-10-20 06:30:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 06:30:24,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:24,174 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:24,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 06:30:24,174 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:24,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:24,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1085523680, now seen corresponding path program 1 times [2020-10-20 06:30:24,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:24,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798530287] [2020-10-20 06:30:24,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:24,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798530287] [2020-10-20 06:30:24,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648586445] [2020-10-20 06:30:24,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:30:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:24,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:30:24,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:30:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-20 06:30:24,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 06:30:24,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-20 06:30:24,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575434231] [2020-10-20 06:30:24,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:24,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:24,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:24,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:30:24,353 INFO L87 Difference]: Start difference. First operand 358 states and 499 transitions. Second operand 3 states. [2020-10-20 06:30:24,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:24,376 INFO L93 Difference]: Finished difference Result 716 states and 998 transitions. [2020-10-20 06:30:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:24,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-20 06:30:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:24,379 INFO L225 Difference]: With dead ends: 716 [2020-10-20 06:30:24,379 INFO L226 Difference]: Without dead ends: 358 [2020-10-20 06:30:24,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:30:24,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-10-20 06:30:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2020-10-20 06:30:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-20 06:30:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 496 transitions. [2020-10-20 06:30:24,391 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 496 transitions. Word has length 32 [2020-10-20 06:30:24,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:24,391 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 496 transitions. [2020-10-20 06:30:24,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:24,392 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 496 transitions. [2020-10-20 06:30:24,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 06:30:24,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:24,394 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:24,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 06:30:24,609 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:24,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:24,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1085525346, now seen corresponding path program 1 times [2020-10-20 06:30:24,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:24,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182841674] [2020-10-20 06:30:24,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:24,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182841674] [2020-10-20 06:30:24,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673335684] [2020-10-20 06:30:24,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:30:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:24,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 06:30:24,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:30:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:24,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 06:30:24,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 06:30:24,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59064959] [2020-10-20 06:30:24,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:30:24,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:24,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:30:24,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:24,827 INFO L87 Difference]: Start difference. First operand 358 states and 496 transitions. Second operand 4 states. [2020-10-20 06:30:25,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:25,050 INFO L93 Difference]: Finished difference Result 527 states and 708 transitions. [2020-10-20 06:30:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:30:25,051 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 06:30:25,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:25,054 INFO L225 Difference]: With dead ends: 527 [2020-10-20 06:30:25,054 INFO L226 Difference]: Without dead ends: 484 [2020-10-20 06:30:25,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-10-20 06:30:25,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 364. [2020-10-20 06:30:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-20 06:30:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 507 transitions. [2020-10-20 06:30:25,071 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 507 transitions. Word has length 32 [2020-10-20 06:30:25,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:25,071 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 507 transitions. [2020-10-20 06:30:25,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:30:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 507 transitions. [2020-10-20 06:30:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 06:30:25,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:25,073 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:25,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:30:25,283 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:25,284 INFO L82 PathProgramCache]: Analyzing trace with hash 384460768, now seen corresponding path program 1 times [2020-10-20 06:30:25,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:25,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707385404] [2020-10-20 06:30:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:25,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707385404] [2020-10-20 06:30:25,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154850147] [2020-10-20 06:30:25,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:30:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:25,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:30:25,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:30:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-20 06:30:25,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 06:30:25,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-20 06:30:25,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992853133] [2020-10-20 06:30:25,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:30:25,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:25,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:30:25,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:25,460 INFO L87 Difference]: Start difference. First operand 364 states and 507 transitions. Second operand 3 states. [2020-10-20 06:30:25,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:25,630 INFO L93 Difference]: Finished difference Result 364 states and 507 transitions. [2020-10-20 06:30:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:30:25,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-20 06:30:25,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:25,633 INFO L225 Difference]: With dead ends: 364 [2020-10-20 06:30:25,633 INFO L226 Difference]: Without dead ends: 321 [2020-10-20 06:30:25,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-10-20 06:30:25,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 219. [2020-10-20 06:30:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-20 06:30:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 309 transitions. [2020-10-20 06:30:25,642 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 309 transitions. Word has length 32 [2020-10-20 06:30:25,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:25,642 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 309 transitions. [2020-10-20 06:30:25,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:30:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 309 transitions. [2020-10-20 06:30:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 06:30:25,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:30:25,644 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:30:25,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:30:25,860 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:30:25,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:30:25,860 INFO L82 PathProgramCache]: Analyzing trace with hash -487184860, now seen corresponding path program 1 times [2020-10-20 06:30:25,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:30:25,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516290701] [2020-10-20 06:30:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:30:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:25,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516290701] [2020-10-20 06:30:25,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976784840] [2020-10-20 06:30:25,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:30:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:30:25,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 06:30:25,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:30:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:30:25,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:30:25,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-10-20 06:30:25,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685970284] [2020-10-20 06:30:25,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:30:25,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:30:25,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:30:25,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:30:25,995 INFO L87 Difference]: Start difference. First operand 219 states and 309 transitions. Second operand 5 states. [2020-10-20 06:30:26,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:30:26,095 INFO L93 Difference]: Finished difference Result 225 states and 316 transitions. [2020-10-20 06:30:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:30:26,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 06:30:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:30:26,096 INFO L225 Difference]: With dead ends: 225 [2020-10-20 06:30:26,096 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:30:26,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:30:26,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:30:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:30:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:30:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:30:26,098 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-10-20 06:30:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:30:26,098 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:30:26,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:30:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:30:26,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:30:26,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:30:26,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 06:30:26,414 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,414 INFO L274 CegarLoopResult]: For program point L498(lines 498 513) no Hoare annotation was computed. [2020-10-20 06:30:26,414 INFO L274 CegarLoopResult]: For program point L465(lines 465 564) no Hoare annotation was computed. [2020-10-20 06:30:26,414 INFO L274 CegarLoopResult]: For program point L432(lines 432 443) no Hoare annotation was computed. [2020-10-20 06:30:26,414 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2020-10-20 06:30:26,415 INFO L274 CegarLoopResult]: For program point L366(lines 366 381) no Hoare annotation was computed. [2020-10-20 06:30:26,415 INFO L274 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-10-20 06:30:26,415 INFO L274 CegarLoopResult]: For program point L168(lines 168 179) no Hoare annotation was computed. [2020-10-20 06:30:26,415 INFO L274 CegarLoopResult]: For program point L532(lines 532 543) no Hoare annotation was computed. [2020-10-20 06:30:26,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L466(lines 466 481) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L400(lines 400 411) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L268(lines 268 279) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L136-1(line 136) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2020-10-20 06:30:26,416 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point L500(lines 500 511) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point L368(lines 368 379) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2020-10-20 06:30:26,417 INFO L274 CegarLoopResult]: For program point L104(lines 104 106) no Hoare annotation was computed. [2020-10-20 06:30:26,418 INFO L274 CegarLoopResult]: For program point L468(lines 468 479) no Hoare annotation was computed. [2020-10-20 06:30:26,418 INFO L274 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-10-20 06:30:26,418 INFO L274 CegarLoopResult]: For program point L336-1(line 336) no Hoare annotation was computed. [2020-10-20 06:30:26,418 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2020-10-20 06:30:26,419 INFO L274 CegarLoopResult]: For program point L204(lines 204 206) no Hoare annotation was computed. [2020-10-20 06:30:26,419 INFO L274 CegarLoopResult]: For program point L72(lines 72 74) no Hoare annotation was computed. [2020-10-20 06:30:26,419 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-20 06:30:26,419 INFO L274 CegarLoopResult]: For program point L436-1(line 436) no Hoare annotation was computed. [2020-10-20 06:30:26,420 INFO L274 CegarLoopResult]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2020-10-20 06:30:26,420 INFO L274 CegarLoopResult]: For program point L304(lines 304 306) no Hoare annotation was computed. [2020-10-20 06:30:26,420 INFO L274 CegarLoopResult]: For program point L172(lines 172 174) no Hoare annotation was computed. [2020-10-20 06:30:26,420 INFO L274 CegarLoopResult]: For program point L40(lines 40 42) no Hoare annotation was computed. [2020-10-20 06:30:26,420 INFO L274 CegarLoopResult]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2020-10-20 06:30:26,421 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-20 06:30:26,421 INFO L274 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-10-20 06:30:26,421 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2020-10-20 06:30:26,421 INFO L274 CegarLoopResult]: For program point L404(lines 404 406) no Hoare annotation was computed. [2020-10-20 06:30:26,421 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2020-10-20 06:30:26,421 INFO L274 CegarLoopResult]: For program point L272(lines 272 274) no Hoare annotation was computed. [2020-10-20 06:30:26,422 INFO L274 CegarLoopResult]: For program point L504(lines 504 506) no Hoare annotation was computed. [2020-10-20 06:30:26,422 INFO L274 CegarLoopResult]: For program point L372(lines 372 374) no Hoare annotation was computed. [2020-10-20 06:30:26,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2020-10-20 06:30:26,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2020-10-20 06:30:26,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,422 INFO L274 CegarLoopResult]: For program point L472(lines 472 474) no Hoare annotation was computed. [2020-10-20 06:30:26,423 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2020-10-20 06:30:26,423 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2020-10-20 06:30:26,423 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2020-10-20 06:30:26,423 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,423 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,424 INFO L274 CegarLoopResult]: For program point L78-2(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,424 INFO L274 CegarLoopResult]: For program point L78-3(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2020-10-20 06:30:26,424 INFO L274 CegarLoopResult]: For program point L46(lines 46 61) no Hoare annotation was computed. [2020-10-20 06:30:26,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,425 INFO L274 CegarLoopResult]: For program point L146(lines 146 161) no Hoare annotation was computed. [2020-10-20 06:30:26,425 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2020-10-20 06:30:26,425 INFO L274 CegarLoopResult]: For program point L246(lines 246 261) no Hoare annotation was computed. [2020-10-20 06:30:26,425 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,425 INFO L274 CegarLoopResult]: For program point L114(lines 114 129) no Hoare annotation was computed. [2020-10-20 06:30:26,426 INFO L274 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2020-10-20 06:30:26,426 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2020-10-20 06:30:26,426 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2020-10-20 06:30:26,426 INFO L274 CegarLoopResult]: For program point L346(lines 346 361) no Hoare annotation was computed. [2020-10-20 06:30:26,426 INFO L274 CegarLoopResult]: For program point L214(lines 214 229) no Hoare annotation was computed. [2020-10-20 06:30:26,427 INFO L274 CegarLoopResult]: For program point L148(lines 148 159) no Hoare annotation was computed. [2020-10-20 06:30:26,427 INFO L274 CegarLoopResult]: For program point L82(lines 82 97) no Hoare annotation was computed. [2020-10-20 06:30:26,427 INFO L277 CegarLoopResult]: At program point L16(lines 16 572) the Hoare annotation is: true [2020-10-20 06:30:26,427 INFO L274 CegarLoopResult]: For program point L446(lines 446 461) no Hoare annotation was computed. [2020-10-20 06:30:26,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2020-10-20 06:30:26,428 INFO L274 CegarLoopResult]: For program point L314(lines 314 329) no Hoare annotation was computed. [2020-10-20 06:30:26,428 INFO L274 CegarLoopResult]: For program point L248(lines 248 259) no Hoare annotation was computed. [2020-10-20 06:30:26,428 INFO L274 CegarLoopResult]: For program point L182(lines 182 197) no Hoare annotation was computed. [2020-10-20 06:30:26,428 INFO L274 CegarLoopResult]: For program point L116(lines 116 127) no Hoare annotation was computed. [2020-10-20 06:30:26,428 INFO L274 CegarLoopResult]: For program point L546(lines 546 561) no Hoare annotation was computed. [2020-10-20 06:30:26,428 INFO L274 CegarLoopResult]: For program point L414(lines 414 429) no Hoare annotation was computed. [2020-10-20 06:30:26,429 INFO L274 CegarLoopResult]: For program point L348(lines 348 359) no Hoare annotation was computed. [2020-10-20 06:30:26,429 INFO L274 CegarLoopResult]: For program point L282(lines 282 297) no Hoare annotation was computed. [2020-10-20 06:30:26,429 INFO L274 CegarLoopResult]: For program point L216(lines 216 227) no Hoare annotation was computed. [2020-10-20 06:30:26,429 INFO L274 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-10-20 06:30:26,429 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2020-10-20 06:30:26,429 INFO L274 CegarLoopResult]: For program point L514(lines 514 529) no Hoare annotation was computed. [2020-10-20 06:30:26,430 INFO L274 CegarLoopResult]: For program point L448(lines 448 459) no Hoare annotation was computed. [2020-10-20 06:30:26,430 INFO L274 CegarLoopResult]: For program point L382(lines 382 397) no Hoare annotation was computed. [2020-10-20 06:30:26,430 INFO L274 CegarLoopResult]: For program point L316(lines 316 327) no Hoare annotation was computed. [2020-10-20 06:30:26,430 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2020-10-20 06:30:26,430 INFO L274 CegarLoopResult]: For program point L184(lines 184 195) no Hoare annotation was computed. [2020-10-20 06:30:26,431 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2020-10-20 06:30:26,431 INFO L274 CegarLoopResult]: For program point L52(lines 52 54) no Hoare annotation was computed. [2020-10-20 06:30:26,431 INFO L274 CegarLoopResult]: For program point L548(lines 548 559) no Hoare annotation was computed. [2020-10-20 06:30:26,431 INFO L274 CegarLoopResult]: For program point L482(lines 482 497) no Hoare annotation was computed. [2020-10-20 06:30:26,431 INFO L274 CegarLoopResult]: For program point L416(lines 416 427) no Hoare annotation was computed. [2020-10-20 06:30:26,431 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:30:26,432 INFO L274 CegarLoopResult]: For program point L284(lines 284 295) no Hoare annotation was computed. [2020-10-20 06:30:26,432 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-20 06:30:26,432 INFO L274 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-10-20 06:30:26,432 INFO L274 CegarLoopResult]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2020-10-20 06:30:26,432 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2020-10-20 06:30:26,432 INFO L274 CegarLoopResult]: For program point L516(lines 516 527) no Hoare annotation was computed. [2020-10-20 06:30:26,433 INFO L274 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-10-20 06:30:26,433 INFO L274 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-10-20 06:30:26,433 INFO L274 CegarLoopResult]: For program point L252-1(line 252) no Hoare annotation was computed. [2020-10-20 06:30:26,433 INFO L274 CegarLoopResult]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2020-10-20 06:30:26,433 INFO L274 CegarLoopResult]: For program point L120(lines 120 122) no Hoare annotation was computed. [2020-10-20 06:30:26,433 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2020-10-20 06:30:26,434 INFO L274 CegarLoopResult]: For program point L484(lines 484 495) no Hoare annotation was computed. [2020-10-20 06:30:26,434 INFO L274 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-10-20 06:30:26,434 INFO L274 CegarLoopResult]: For program point L352-1(line 352) no Hoare annotation was computed. [2020-10-20 06:30:26,434 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2020-10-20 06:30:26,434 INFO L274 CegarLoopResult]: For program point L220(lines 220 222) no Hoare annotation was computed. [2020-10-20 06:30:26,434 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-20 06:30:26,435 INFO L274 CegarLoopResult]: For program point L88-1(line 88) no Hoare annotation was computed. [2020-10-20 06:30:26,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2020-10-20 06:30:26,435 INFO L274 CegarLoopResult]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2020-10-20 06:30:26,435 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-20 06:30:26,435 INFO L274 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-10-20 06:30:26,436 INFO L274 CegarLoopResult]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2020-10-20 06:30:26,436 INFO L274 CegarLoopResult]: For program point L320(lines 320 322) no Hoare annotation was computed. [2020-10-20 06:30:26,436 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-20 06:30:26,436 INFO L274 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-10-20 06:30:26,436 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2020-10-20 06:30:26,437 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2020-10-20 06:30:26,437 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-20 06:30:26,437 INFO L274 CegarLoopResult]: For program point L552-2(line 552) no Hoare annotation was computed. [2020-10-20 06:30:26,437 INFO L274 CegarLoopResult]: For program point L552-3(line 552) no Hoare annotation was computed. [2020-10-20 06:30:26,437 INFO L274 CegarLoopResult]: For program point L420(lines 420 422) no Hoare annotation was computed. [2020-10-20 06:30:26,438 INFO L274 CegarLoopResult]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2020-10-20 06:30:26,438 INFO L274 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-10-20 06:30:26,438 INFO L274 CegarLoopResult]: For program point L288-2(line 288) no Hoare annotation was computed. [2020-10-20 06:30:26,438 INFO L274 CegarLoopResult]: For program point L288-3(line 288) no Hoare annotation was computed. [2020-10-20 06:30:26,438 INFO L274 CegarLoopResult]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2020-10-20 06:30:26,439 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,439 INFO L277 CegarLoopResult]: At program point L553(lines 16 572) the Hoare annotation is: true [2020-10-20 06:30:26,439 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2020-10-20 06:30:26,439 INFO L274 CegarLoopResult]: For program point L520(lines 520 522) no Hoare annotation was computed. [2020-10-20 06:30:26,439 INFO L274 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-10-20 06:30:26,440 INFO L274 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-10-20 06:30:26,440 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2020-10-20 06:30:26,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:30:26,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2020-10-20 06:30:26,440 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-20 06:30:26,441 INFO L274 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-10-20 06:30:26,441 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2020-10-20 06:30:26,441 INFO L270 CegarLoopResult]: At program point L26-2(lines 26 567) the Hoare annotation is: (and (<= ULTIMATE.start_main_~this_buffer_empty~0 1) (<= 0 ULTIMATE.start_main_~this_buffer_empty~0) (<= ULTIMATE.start_main_~this_expect~0 16) (<= 0 (+ ULTIMATE.start_main_~this_expect~0 16))) [2020-10-20 06:30:26,441 INFO L274 CegarLoopResult]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2020-10-20 06:30:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2020-10-20 06:30:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2020-10-20 06:30:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2020-10-20 06:30:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:30:26,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-10-20 06:30:26,443 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-20 06:30:26,443 INFO L274 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-10-20 06:30:26,443 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,443 INFO L274 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,443 INFO L274 CegarLoopResult]: For program point L426-2(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,443 INFO L274 CegarLoopResult]: For program point L426-3(line 426) no Hoare annotation was computed. [2020-10-20 06:30:26,444 INFO L274 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-10-20 06:30:26,444 INFO L274 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-10-20 06:30:26,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2020-10-20 06:30:26,444 INFO L274 CegarLoopResult]: For program point L130(lines 130 145) no Hoare annotation was computed. [2020-10-20 06:30:26,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2020-10-20 06:30:26,445 INFO L274 CegarLoopResult]: For program point L230(lines 230 245) no Hoare annotation was computed. [2020-10-20 06:30:26,445 INFO L274 CegarLoopResult]: For program point L98(lines 98 113) no Hoare annotation was computed. [2020-10-20 06:30:26,445 INFO L274 CegarLoopResult]: For program point L65(lines 65 164) no Hoare annotation was computed. [2020-10-20 06:30:26,445 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 06:30:26,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2020-10-20 06:30:26,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2020-10-20 06:30:26,446 INFO L274 CegarLoopResult]: For program point L330(lines 330 345) no Hoare annotation was computed. [2020-10-20 06:30:26,446 INFO L274 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-10-20 06:30:26,446 INFO L274 CegarLoopResult]: For program point L165(lines 165 264) no Hoare annotation was computed. [2020-10-20 06:30:26,446 INFO L274 CegarLoopResult]: For program point L132(lines 132 143) no Hoare annotation was computed. [2020-10-20 06:30:26,446 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-10-20 06:30:26,446 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2020-10-20 06:30:26,447 INFO L274 CegarLoopResult]: For program point L430(lines 430 445) no Hoare annotation was computed. [2020-10-20 06:30:26,447 INFO L274 CegarLoopResult]: For program point L298(lines 298 313) no Hoare annotation was computed. [2020-10-20 06:30:26,447 INFO L274 CegarLoopResult]: For program point L265(lines 265 364) no Hoare annotation was computed. [2020-10-20 06:30:26,447 INFO L274 CegarLoopResult]: For program point L232(lines 232 243) no Hoare annotation was computed. [2020-10-20 06:30:26,447 INFO L274 CegarLoopResult]: For program point L166(lines 166 181) no Hoare annotation was computed. [2020-10-20 06:30:26,447 INFO L274 CegarLoopResult]: For program point L100(lines 100 111) no Hoare annotation was computed. [2020-10-20 06:30:26,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2020-10-20 06:30:26,448 INFO L270 CegarLoopResult]: At program point L563(lines 26 567) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~this_buffer_empty~0 1)) (.cse1 (<= 0 ULTIMATE.start_main_~this_buffer_empty~0)) (.cse2 (<= 0 (+ ULTIMATE.start_main_~this_expect~0 16)))) (or (and .cse0 .cse1 (<= 3 ULTIMATE.start_main_~q~0) .cse2) (and .cse0 .cse1 (<= ULTIMATE.start_main_~this_expect~0 16) .cse2))) [2020-10-20 06:30:26,448 INFO L274 CegarLoopResult]: For program point L530(lines 530 545) no Hoare annotation was computed. [2020-10-20 06:30:26,448 INFO L274 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-20 06:30:26,448 INFO L274 CegarLoopResult]: For program point L365(lines 365 464) no Hoare annotation was computed. [2020-10-20 06:30:26,449 INFO L274 CegarLoopResult]: For program point L332(lines 332 343) no Hoare annotation was computed. [2020-10-20 06:30:26,449 INFO L274 CegarLoopResult]: For program point L266(lines 266 281) no Hoare annotation was computed. [2020-10-20 06:30:26,449 INFO L274 CegarLoopResult]: For program point L200(lines 200 211) no Hoare annotation was computed. [2020-10-20 06:30:26,449 INFO L274 CegarLoopResult]: For program point L68(lines 68 79) no Hoare annotation was computed. [2020-10-20 06:30:26,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:30:26 BoogieIcfgContainer [2020-10-20 06:30:26,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:30:26,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:30:26,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:30:26,471 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:30:26,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:22" (3/4) ... [2020-10-20 06:30:26,476 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:30:26,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 06:30:26,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 06:30:26,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:30:26,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:30:26,539 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:30:26,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:30:26,543 INFO L168 Benchmark]: Toolchain (without parser) took 6191.82 ms. Allocated memory was 36.7 MB in the beginning and 83.9 MB in the end (delta: 47.2 MB). Free memory was 10.3 MB in the beginning and 21.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,543 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 36.7 MB. Free memory is still 15.5 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:30:26,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.87 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 9.4 MB in the beginning and 17.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.93 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 17.7 MB in the beginning and 27.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,546 INFO L168 Benchmark]: Boogie Preprocessor took 57.34 ms. Allocated memory is still 47.2 MB. Free memory was 27.2 MB in the beginning and 23.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,546 INFO L168 Benchmark]: RCFGBuilder took 1328.05 ms. Allocated memory was 47.2 MB in the beginning and 51.4 MB in the end (delta: 4.2 MB). Free memory was 23.8 MB in the beginning and 22.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,547 INFO L168 Benchmark]: TraceAbstraction took 4012.70 ms. Allocated memory was 51.4 MB in the beginning and 83.9 MB in the end (delta: 32.5 MB). Free memory was 21.3 MB in the beginning and 24.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,548 INFO L168 Benchmark]: Witness Printer took 69.12 ms. Allocated memory is still 83.9 MB. Free memory was 24.3 MB in the beginning and 21.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:26,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 36.7 MB. Free memory is still 15.5 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 602.87 ms. Allocated memory was 36.7 MB in the beginning and 45.1 MB in the end (delta: 8.4 MB). Free memory was 9.4 MB in the beginning and 17.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 110.93 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 17.7 MB in the beginning and 27.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 57.34 ms. Allocated memory is still 47.2 MB. Free memory was 27.2 MB in the beginning and 23.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1328.05 ms. Allocated memory was 47.2 MB in the beginning and 51.4 MB in the end (delta: 4.2 MB). Free memory was 23.8 MB in the beginning and 22.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4012.70 ms. Allocated memory was 51.4 MB in the beginning and 83.9 MB in the end (delta: 32.5 MB). Free memory was 21.3 MB in the beginning and 24.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 14.3 GB. * Witness Printer took 69.12 ms. Allocated memory is still 83.9 MB. Free memory was 24.3 MB in the beginning and 21.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((this_buffer_empty <= 1 && 0 <= this_buffer_empty) && 3 <= q) && 0 <= this_expect + 16) || (((this_buffer_empty <= 1 && 0 <= this_buffer_empty) && this_expect <= 16) && 0 <= this_expect + 16) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((this_buffer_empty <= 1 && 0 <= this_buffer_empty) && this_expect <= 16) && 0 <= this_expect + 16 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 196 locations, 42 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1787 SDtfs, 1519 SDslu, 1234 SDs, 0 SdLazy, 392 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 238 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 18 NumberOfFragments, 48 HoareAnnotationTreeSize, 4 FomulaSimplifications, 434 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 52 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 21390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 885 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 89/107 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...