./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark08_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e19ca921 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_1.5.800.v20200727-1323.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/loop-zilu/benchmark08_conjunctive.i -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 58639ff425b05f7497b3d6ac8d1e0a9c9e2e7663b2f2f0cb8654fd8932f07edd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:31:22,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:31:22,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:31:22,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:31:22,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:31:22,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:31:22,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:31:22,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:31:22,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:31:22,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:31:22,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:31:22,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:31:22,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:31:22,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:31:22,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:31:22,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:31:22,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:31:22,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:31:22,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:31:22,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:31:22,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:31:22,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:31:22,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:31:22,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:31:22,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:31:22,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:31:22,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:31:22,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:31:22,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:31:22,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:31:22,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:31:22,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:31:22,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:31:22,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:31:22,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:31:22,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:31:22,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:31:22,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:31:22,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:31:22,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:31:22,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:31:22,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-22 19:31:22,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:31:22,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:31:22,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:31:22,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:31:22,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 19:31:22,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 19:31:22,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:31:22,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:31:22,226 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:31:22,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:31:22,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 19:31:22,227 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-22 19:31:22,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 19:31:22,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:31:22,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:31:22,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 19:31:22,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:31:22,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:31:22,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 19:31:22,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 19:31:22,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:31:22,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 19:31:22,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 19:31:22,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:31:22,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 19:31:22,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 19:31:22,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:31:22,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58639ff425b05f7497b3d6ac8d1e0a9c9e2e7663b2f2f0cb8654fd8932f07edd [2021-12-22 19:31:22,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:31:22,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:31:22,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:31:22,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:31:22,451 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:31:22,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark08_conjunctive.i [2021-12-22 19:31:22,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c5fecb2/737b5772436d4389841892998e487a8c/FLAG385ed5c8e [2021-12-22 19:31:22,811 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:31:22,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark08_conjunctive.i [2021-12-22 19:31:22,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c5fecb2/737b5772436d4389841892998e487a8c/FLAG385ed5c8e [2021-12-22 19:31:23,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c5fecb2/737b5772436d4389841892998e487a8c [2021-12-22 19:31:23,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:31:23,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:31:23,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:31:23,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:31:23,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:31:23,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea35538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23, skipping insertion in model container [2021-12-22 19:31:23,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:31:23,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:31:23,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark08_conjunctive.i[873,886] [2021-12-22 19:31:23,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:31:23,421 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:31:23,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark08_conjunctive.i[873,886] [2021-12-22 19:31:23,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:31:23,453 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:31:23,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23 WrapperNode [2021-12-22 19:31:23,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:31:23,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:31:23,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:31:23,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:31:23,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,491 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2021-12-22 19:31:23,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:31:23,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:31:23,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:31:23,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:31:23,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:31:23,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:31:23,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:31:23,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:31:23,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (1/1) ... [2021-12-22 19:31:23,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 19:31:23,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:23,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 19:31:23,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 19:31:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 19:31:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 19:31:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:31:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:31:23,653 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:31:23,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:31:23,782 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:31:23,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:31:23,787 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 19:31:23,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:31:23 BoogieIcfgContainer [2021-12-22 19:31:23,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:31:23,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 19:31:23,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 19:31:23,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 19:31:23,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:31:23" (1/3) ... [2021-12-22 19:31:23,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17699c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:31:23, skipping insertion in model container [2021-12-22 19:31:23,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:23" (2/3) ... [2021-12-22 19:31:23,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17699c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:31:23, skipping insertion in model container [2021-12-22 19:31:23,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:31:23" (3/3) ... [2021-12-22 19:31:23,796 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark08_conjunctive.i [2021-12-22 19:31:23,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 19:31:23,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-22 19:31:23,836 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 19:31:23,841 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 19:31:23,841 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-22 19:31:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:23,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-22 19:31:23,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:23,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-22 19:31:23,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2021-12-22 19:31:23,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:23,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925591683] [2021-12-22 19:31:23,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:23,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:24,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925591683] [2021-12-22 19:31:24,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925591683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:24,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:24,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 19:31:24,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838060289] [2021-12-22 19:31:24,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:24,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:24,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:24,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:24,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:24,062 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:24,119 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2021-12-22 19:31:24,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:24,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-12-22 19:31:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:24,127 INFO L225 Difference]: With dead ends: 34 [2021-12-22 19:31:24,127 INFO L226 Difference]: Without dead ends: 15 [2021-12-22 19:31:24,129 INFO L932 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 [2021-12-22 19:31:24,132 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:24,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 23 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:24,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-12-22 19:31:24,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-12-22 19:31:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-12-22 19:31:24,186 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2021-12-22 19:31:24,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:24,186 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-12-22 19:31:24,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-12-22 19:31:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-22 19:31:24,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:24,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-22 19:31:24,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 19:31:24,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:24,189 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2021-12-22 19:31:24,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:24,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882559618] [2021-12-22 19:31:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:24,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:24,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882559618] [2021-12-22 19:31:24,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882559618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:24,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:24,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 19:31:24,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910850384] [2021-12-22 19:31:24,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:24,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:24,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:24,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:24,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:24,217 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:24,231 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-12-22 19:31:24,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:24,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-12-22 19:31:24,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:24,232 INFO L225 Difference]: With dead ends: 16 [2021-12-22 19:31:24,233 INFO L226 Difference]: Without dead ends: 15 [2021-12-22 19:31:24,233 INFO L932 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 [2021-12-22 19:31:24,234 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:24,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-12-22 19:31:24,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-22 19:31:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-12-22 19:31:24,238 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 6 [2021-12-22 19:31:24,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:24,239 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-12-22 19:31:24,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-12-22 19:31:24,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-12-22 19:31:24,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:24,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:24,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 19:31:24,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:24,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2021-12-22 19:31:24,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:24,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140355405] [2021-12-22 19:31:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:24,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:24,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140355405] [2021-12-22 19:31:24,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140355405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:24,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:24,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 19:31:24,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059060815] [2021-12-22 19:31:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:24,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 19:31:24,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 19:31:24,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 19:31:24,276 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:24,307 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-12-22 19:31:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 19:31:24,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-12-22 19:31:24,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:24,309 INFO L225 Difference]: With dead ends: 19 [2021-12-22 19:31:24,309 INFO L226 Difference]: Without dead ends: 18 [2021-12-22 19:31:24,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:31:24,310 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:24,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 14 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-12-22 19:31:24,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-12-22 19:31:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-12-22 19:31:24,315 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7 [2021-12-22 19:31:24,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:24,315 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-12-22 19:31:24,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-12-22 19:31:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-22 19:31:24,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:24,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:24,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 19:31:24,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:24,319 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2021-12-22 19:31:24,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:24,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967238735] [2021-12-22 19:31:24,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:24,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:24,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967238735] [2021-12-22 19:31:24,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967238735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:24,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:24,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 19:31:24,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138433843] [2021-12-22 19:31:24,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:24,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 19:31:24,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:24,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 19:31:24,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 19:31:24,355 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:24,378 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-12-22 19:31:24,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 19:31:24,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-12-22 19:31:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:24,379 INFO L225 Difference]: With dead ends: 16 [2021-12-22 19:31:24,379 INFO L226 Difference]: Without dead ends: 15 [2021-12-22 19:31:24,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:31:24,381 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:24,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-12-22 19:31:24,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-22 19:31:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-12-22 19:31:24,385 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2021-12-22 19:31:24,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:24,385 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-12-22 19:31:24,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-12-22 19:31:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-22 19:31:24,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:24,386 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:24,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 19:31:24,387 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:24,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash 47508593, now seen corresponding path program 1 times [2021-12-22 19:31:24,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:24,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327768072] [2021-12-22 19:31:24,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:24,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:24,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327768072] [2021-12-22 19:31:24,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327768072] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:24,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701352139] [2021-12-22 19:31:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:24,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:24,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:24,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:31:24,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 19:31:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:24,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 19:31:24,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:31:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:24,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701352139] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:31:24,774 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:31:24,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2021-12-22 19:31:24,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595251450] [2021-12-22 19:31:24,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:31:24,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 19:31:24,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:24,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 19:31:24,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-22 19:31:24,780 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:24,876 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-12-22 19:31:24,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 19:31:24,878 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-22 19:31:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:24,880 INFO L225 Difference]: With dead ends: 26 [2021-12-22 19:31:24,880 INFO L226 Difference]: Without dead ends: 25 [2021-12-22 19:31:24,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-12-22 19:31:24,887 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 21 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:24,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 12 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 19:31:24,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-12-22 19:31:24,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2021-12-22 19:31:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2021-12-22 19:31:24,901 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2021-12-22 19:31:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:24,901 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2021-12-22 19:31:24,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.6) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-12-22 19:31:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-22 19:31:24,903 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:24,903 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:24,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 19:31:25,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:25,120 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:25,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1472766433, now seen corresponding path program 1 times [2021-12-22 19:31:25,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:25,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173300789] [2021-12-22 19:31:25,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:25,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:25,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:25,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173300789] [2021-12-22 19:31:25,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173300789] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:25,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291551562] [2021-12-22 19:31:25,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:25,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:25,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:25,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:31:25,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 19:31:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:25,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 19:31:25,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:25,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 19:31:25,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291551562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:25,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 19:31:25,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-12-22 19:31:25,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603546346] [2021-12-22 19:31:25,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:25,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 19:31:25,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:25,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 19:31:25,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-22 19:31:25,365 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:25,412 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-12-22 19:31:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 19:31:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-22 19:31:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:25,414 INFO L225 Difference]: With dead ends: 23 [2021-12-22 19:31:25,414 INFO L226 Difference]: Without dead ends: 22 [2021-12-22 19:31:25,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 19:31:25,421 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:25,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 6 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-22 19:31:25,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-22 19:31:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-12-22 19:31:25,430 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 11 [2021-12-22 19:31:25,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:25,430 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-12-22 19:31:25,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-12-22 19:31:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-22 19:31:25,432 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:25,432 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:25,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 19:31:25,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-22 19:31:25,656 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:25,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:25,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1588880781, now seen corresponding path program 1 times [2021-12-22 19:31:25,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:25,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478342858] [2021-12-22 19:31:25,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:25,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:25,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:25,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478342858] [2021-12-22 19:31:25,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478342858] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:25,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907566115] [2021-12-22 19:31:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:25,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:25,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:25,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:31:25,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 19:31:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:25,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 19:31:25,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:25,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:31:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:25,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907566115] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:31:25,838 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:31:25,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-12-22 19:31:25,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646367274] [2021-12-22 19:31:25,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:31:25,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 19:31:25,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:25,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 19:31:25,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-12-22 19:31:25,840 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:25,935 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2021-12-22 19:31:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 19:31:25,936 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-22 19:31:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:25,937 INFO L225 Difference]: With dead ends: 32 [2021-12-22 19:31:25,937 INFO L226 Difference]: Without dead ends: 31 [2021-12-22 19:31:25,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-22 19:31:25,939 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:25,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 15 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 19:31:25,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-22 19:31:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-12-22 19:31:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2021-12-22 19:31:25,950 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 12 [2021-12-22 19:31:25,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:25,951 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2021-12-22 19:31:25,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-12-22 19:31:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-22 19:31:25,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:25,955 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1] [2021-12-22 19:31:25,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 19:31:26,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:26,172 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:26,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:26,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1418773263, now seen corresponding path program 2 times [2021-12-22 19:31:26,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:26,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306238694] [2021-12-22 19:31:26,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:26,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:26,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:26,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306238694] [2021-12-22 19:31:26,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306238694] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:26,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336813842] [2021-12-22 19:31:26,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:31:26,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:26,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:26,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:31:26,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 19:31:26,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 19:31:26,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 19:31:26,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-22 19:31:26,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:26,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:31:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:26,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336813842] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:31:26,660 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:31:26,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2021-12-22 19:31:26,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759021330] [2021-12-22 19:31:26,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:31:26,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-22 19:31:26,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-22 19:31:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-12-22 19:31:26,662 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:26,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:26,941 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2021-12-22 19:31:26,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-22 19:31:26,942 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-22 19:31:26,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:26,942 INFO L225 Difference]: With dead ends: 45 [2021-12-22 19:31:26,942 INFO L226 Difference]: Without dead ends: 44 [2021-12-22 19:31:26,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=764, Unknown=0, NotChecked=0, Total=992 [2021-12-22 19:31:26,943 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 28 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:26,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 19 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 19:31:26,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-22 19:31:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2021-12-22 19:31:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2021-12-22 19:31:26,949 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 20 [2021-12-22 19:31:26,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:26,949 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2021-12-22 19:31:26,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.5454545454545454) internal successors, (56), 23 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-12-22 19:31:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-22 19:31:26,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:26,950 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1] [2021-12-22 19:31:26,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 19:31:27,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:27,151 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:27,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1410159193, now seen corresponding path program 2 times [2021-12-22 19:31:27,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:27,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965438050] [2021-12-22 19:31:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:27,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:27,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:27,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965438050] [2021-12-22 19:31:27,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965438050] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:27,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435485577] [2021-12-22 19:31:27,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:31:27,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:27,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:27,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:31:27,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 19:31:27,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-22 19:31:27,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 19:31:27,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 19:31:27,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-22 19:31:27,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:31:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-22 19:31:27,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435485577] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:31:27,431 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:31:27,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2021-12-22 19:31:27,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434958711] [2021-12-22 19:31:27,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:31:27,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-22 19:31:27,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:27,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-22 19:31:27,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-22 19:31:27,433 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 15 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:27,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:27,601 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2021-12-22 19:31:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-22 19:31:27,601 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-12-22 19:31:27,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:27,602 INFO L225 Difference]: With dead ends: 42 [2021-12-22 19:31:27,602 INFO L226 Difference]: Without dead ends: 41 [2021-12-22 19:31:27,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2021-12-22 19:31:27,612 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 35 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:27,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 6 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:27,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-12-22 19:31:27,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-12-22 19:31:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2021-12-22 19:31:27,623 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 27 [2021-12-22 19:31:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:27,623 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2021-12-22 19:31:27,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:31:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2021-12-22 19:31:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-22 19:31:27,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:27,625 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 1, 1, 1, 1] [2021-12-22 19:31:27,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-22 19:31:27,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:27,840 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-12-22 19:31:27,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:27,840 INFO L85 PathProgramCache]: Analyzing trace with hash 915144177, now seen corresponding path program 3 times [2021-12-22 19:31:27,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:27,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327897926] [2021-12-22 19:31:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:27,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:28,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:28,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327897926] [2021-12-22 19:31:28,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327897926] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:28,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865012892] [2021-12-22 19:31:28,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 19:31:28,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:28,042 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:31:28,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 19:31:28,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-12-22 19:31:28,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 19:31:28,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-22 19:31:28,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:28,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:32:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:32:32,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865012892] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:32:32,685 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:32:32,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 17] total 47 [2021-12-22 19:32:32,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240047850] [2021-12-22 19:32:32,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:32:32,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-12-22 19:32:32,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:32:32,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-12-22 19:32:32,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=1885, Unknown=28, NotChecked=0, Total=2256 [2021-12-22 19:32:32,691 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 48 states, 47 states have (on average 2.4680851063829787) internal successors, (116), 48 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 19:32:34,876 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|))) (let ((.cse1 (* (- 1) |c_ULTIMATE.start_main_~i~0#1|)) (.cse14 (+ (div (+ .cse0 2147483639) 2) 1)) (.cse15 (+ |c_ULTIMATE.start_main_#t~post4#1| 1)) (.cse13 (* 2 |c_ULTIMATE.start_main_~i~0#1|))) (and (<= |c_ULTIMATE.start_main_#t~post4#1| (div (+ .cse0 (* (- 1) |c_ULTIMATE.start_main_#t~post4#1|) 2147483641) 2)) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ .cse0 2147483644 .cse1) 2)) (forall ((|aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63| Int)) (or (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63|) (<= (div (+ |c_ULTIMATE.start_main_~sum~0#1| (* 5 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63|) (- 2147483637)) (- 2)) 0) (<= (+ (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63|) 1) (div (+ (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|) (* (- 1) |c_ULTIMATE.start_main_#t~post4#1|) 2147483634) 2)))) (forall ((|aux_div_v_ULTIMATE.start_main_~sum~0#1_40_72| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| Int) (|aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| Int) (|aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| Int)) (let ((.cse6 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 2))) (let ((.cse5 (* |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 2)) (.cse4 (+ .cse6 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse10 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 4)) (.cse7 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 5)) (.cse9 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_40_72|)) (.cse11 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 5)) (.cse2 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 4)) (.cse3 (* 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse8 (* 5 |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|)) (.cse12 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 2))) (or (<= (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 1) |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|) (<= |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| (+ (div (+ .cse2 .cse3 (* (- 2) |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129|) 4) 4) 1)) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 1)) (< .cse4 .cse5) (<= (+ .cse6 |aux_div_v_ULTIMATE.start_main_~sum~0#1_40_72| 10 |c_ULTIMATE.start_main_#t~post4#1| |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) 0) (<= (+ 2 |c_ULTIMATE.start_main_#t~post4#1|) |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| |c_ULTIMATE.start_main_#t~post4#1| 1) (div (+ (* |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| (- 5)) (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|) 2147483630) 2)) (<= (+ 7 .cse7 .cse8 .cse9 .cse10) (+ .cse2 .cse3)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| |c_ULTIMATE.start_main_#t~post4#1|) (+ 2147483643 .cse9)) (<= (+ 2 .cse5) .cse4) (<= (+ .cse2 .cse3 4) (+ .cse7 .cse11 .cse9 .cse10)) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 0) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse7 .cse8 |c_ULTIMATE.start_main_#t~post4#1| .cse10) (+ .cse2 .cse3 2147483638)) (<= 0 (+ |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| .cse7 9 .cse12 .cse9)) (<= 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ .cse7 .cse12 17 .cse9 |c_ULTIMATE.start_main_#t~post4#1|) 0) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 1)) (< |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 0) (<= (+ 5 .cse8) .cse11) (<= (+ .cse2 .cse3 15 |c_ULTIMATE.start_main_#t~post4#1|) (+ .cse8 .cse12)))))) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ (- 1) (div (+ .cse0 .cse1 2147483639) 2)) 2)) (<= .cse13 .cse14) (<= .cse15 (div .cse14 2)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| |c_ULTIMATE.start_main_~i~0#1|) 2147483647) (<= .cse15 (div (+ .cse0 2147483646) 2)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| |c_ULTIMATE.start_main_#t~post4#1|) 2147483646) (<= (+ .cse13 |c_ULTIMATE.start_main_~sum~0#1|) 2147483646) (forall ((|aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| Int) (|aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| Int) (|aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| Int)) (let ((.cse24 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 2))) (let ((.cse21 (* |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 2)) (.cse20 (+ .cse24 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse16 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 4)) (.cse17 (* 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse23 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 4)) (.cse18 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 5)) (.cse19 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 2)) (.cse22 (* 5 |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|)) (.cse25 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 5))) (or (<= (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 1) |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|) (<= |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| (+ (div (+ .cse16 .cse17 (* (- 2) |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129|) 4) 4) 1)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse18 .cse19 |c_ULTIMATE.start_main_#t~post4#1|) 2147483630) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 1)) (< .cse20 .cse21) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse18 .cse22 .cse23) (+ .cse16 .cse17 2147483639)) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ .cse16 .cse17 14 |c_ULTIMATE.start_main_#t~post4#1|) (+ .cse22 .cse19)) (<= (+ 2 .cse21) .cse20) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 0) (<= (+ (div (+ (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|) 2147483646) (- 2)) 9 .cse24 |c_ULTIMATE.start_main_#t~post4#1| |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) 0) (<= (+ 2147483649 .cse16 .cse17) (+ |c_ULTIMATE.start_main_~sum~0#1| .cse18 .cse25 .cse23)) (<= 2147483636 (+ |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| |c_ULTIMATE.start_main_~sum~0#1| .cse18 .cse19)) (<= 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 1)) (< |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 0) (<= (+ 5 .cse22) .cse25)))))))) is different from false [2021-12-22 19:32:36,890 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse23 (+ |c_ULTIMATE.start_main_#t~post4#1| 1)) (.cse0 (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|))) (and (<= |c_ULTIMATE.start_main_#t~post4#1| (div (+ .cse0 (* (- 1) |c_ULTIMATE.start_main_#t~post4#1|) 2147483641) 2)) (forall ((|aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63| Int)) (or (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63|) (<= (div (+ |c_ULTIMATE.start_main_~sum~0#1| (* 5 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63|) (- 2147483637)) (- 2)) 0) (<= (+ (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_26_107_63|) 1) (div (+ (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|) (* (- 1) |c_ULTIMATE.start_main_#t~post4#1|) 2147483634) 2)))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141_165| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| Int) (|aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| Int) (|aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| Int)) (let ((.cse9 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 2))) (let ((.cse6 (* |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 2)) (.cse5 (+ .cse9 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse1 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 4)) (.cse2 (* 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse8 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 4)) (.cse3 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 5)) (.cse4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 2)) (.cse11 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141_165|)) (.cse7 (* 5 |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|)) (.cse10 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 5))) (or (<= |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| (+ (div (+ .cse1 .cse2 (* (- 2) |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129|) 4) 4) 1)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse3 .cse4 |c_ULTIMATE.start_main_#t~post4#1|) 2147483630) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 1)) (< .cse5 .cse6) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse3 .cse7 .cse8) (+ .cse1 .cse2 2147483639)) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ .cse1 .cse2 14 |c_ULTIMATE.start_main_#t~post4#1|) (+ .cse7 .cse4)) (<= (+ 2 .cse6) .cse5) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 0) (<= (+ (div (+ (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|) 2147483646) (- 2)) 9 .cse9 |c_ULTIMATE.start_main_#t~post4#1| |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) 0) (<= (+ 2147483649 .cse1 .cse2) (+ |c_ULTIMATE.start_main_~sum~0#1| .cse3 .cse10 .cse8)) (<= 2147483636 (+ |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| |c_ULTIMATE.start_main_~sum~0#1| .cse3 .cse4)) (<= 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ 5 .cse10) .cse11) (<= (+ 5 .cse11) .cse7) (< |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 0) (<= (+ 5 .cse7) .cse10) (<= |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141_165| (+ |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 1)))))) (forall ((|aux_div_v_ULTIMATE.start_main_~sum~0#1_40_72| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| Int) (|aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| Int) (|aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| Int)) (let ((.cse16 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 2))) (let ((.cse15 (* |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 2)) (.cse14 (+ .cse16 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse20 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 4)) (.cse17 (* |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 5)) (.cse19 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_40_72|)) (.cse21 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 5)) (.cse12 (* |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 4)) (.cse13 (* 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|)) (.cse18 (* 5 |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|)) (.cse22 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 2))) (or (<= (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| 1) |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399|) (<= |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399| (+ (div (+ .cse12 .cse13 (* (- 2) |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129|) 4) 4) 1)) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77| 1)) (< .cse14 .cse15) (<= (+ .cse16 |aux_div_v_ULTIMATE.start_main_~sum~0#1_40_72| 10 |c_ULTIMATE.start_main_#t~post4#1| |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) 0) (<= (+ 2 |c_ULTIMATE.start_main_#t~post4#1|) |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| |c_ULTIMATE.start_main_#t~post4#1| 1) (div (+ (* |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| (- 5)) (* (- 1) |c_ULTIMATE.start_main_~sum~0#1|) 2147483630) 2)) (<= (+ 7 .cse17 .cse18 .cse19 .cse20) (+ .cse12 .cse13)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| |c_ULTIMATE.start_main_#t~post4#1|) (+ 2147483643 .cse19)) (<= (+ 2 .cse15) .cse14) (<= (+ .cse12 .cse13 4) (+ .cse17 .cse21 .cse19 .cse20)) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_39_129| 0) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse17 .cse18 |c_ULTIMATE.start_main_#t~post4#1| .cse20) (+ .cse12 .cse13 2147483638)) (<= 0 (+ |aux_div_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| .cse17 9 .cse22 .cse19)) (<= 2 |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159|) (<= (+ .cse17 .cse22 17 .cse19 |c_ULTIMATE.start_main_#t~post4#1|) 0) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_27_165_399_141| (+ |aux_div_v_ULTIMATE.start_main_~i~0#1_27_165| 1)) (< |aux_mod_aux_mod_aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_39_129_240_77_159| 0) (<= (+ 5 .cse18) .cse21) (<= (+ .cse12 .cse13 15 |c_ULTIMATE.start_main_#t~post4#1|) (+ .cse18 .cse22)))))) (<= .cse23 (div (+ (div (+ .cse0 2147483639) 2) 1) 2)) (<= .cse23 (div (+ .cse0 2147483646) 2)) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| |c_ULTIMATE.start_main_#t~post4#1|) 2147483646))) is different from false