./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae 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/benchmark41_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 e8c2a2f5606e46c1a328e1728dc6cdf6823e5c50ed56fab8310a8cb7bd30fe62 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:08:25,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:08:25,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:08:25,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:08:25,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:08:25,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:08:25,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:08:25,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:08:25,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:08:25,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:08:25,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:08:25,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:08:25,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:08:25,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:08:25,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:08:25,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:08:25,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:08:25,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:08:25,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:08:25,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:08:25,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:08:25,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:08:25,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:08:25,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:08:25,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:08:25,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:08:25,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:08:25,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:08:25,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:08:25,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:08:25,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:08:25,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:08:25,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:08:25,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:08:25,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:08:25,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:08:25,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:08:25,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:08:25,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:08:25,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:08:25,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:08:25,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-16 04:08:25,172 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:08:25,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:08:25,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:08:25,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:08:25,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:08:25,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:08:25,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:08:25,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:08:25,176 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:08:25,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:08:25,176 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:08:25,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:08:25,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:08:25,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:08:25,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:08:25,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:08:25,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:08:25,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:08:25,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:08:25,180 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c2a2f5606e46c1a328e1728dc6cdf6823e5c50ed56fab8310a8cb7bd30fe62 [2023-02-16 04:08:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:08:25,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:08:25,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:08:25,360 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:08:25,360 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:08:25,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i [2023-02-16 04:08:26,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:08:26,476 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:08:26,476 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark41_conjunctive.i [2023-02-16 04:08:26,480 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dd41f68/2c809b89dce647cbaa940a0823ac74d6/FLAG5cf22b3b6 [2023-02-16 04:08:26,491 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dd41f68/2c809b89dce647cbaa940a0823ac74d6 [2023-02-16 04:08:26,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:08:26,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:08:26,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:08:26,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:08:26,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:08:26,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad047cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26, skipping insertion in model container [2023-02-16 04:08:26,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:08:26,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:08:26,599 WARN L237 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/benchmark41_conjunctive.i[873,886] [2023-02-16 04:08:26,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:08:26,612 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:08:26,619 WARN L237 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/benchmark41_conjunctive.i[873,886] [2023-02-16 04:08:26,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:08:26,630 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:08:26,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26 WrapperNode [2023-02-16 04:08:26,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:08:26,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:08:26,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:08:26,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:08:26,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,649 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-02-16 04:08:26,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:08:26,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:08:26,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:08:26,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:08:26,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:08:26,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:08:26,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:08:26,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:08:26,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (1/1) ... [2023-02-16 04:08:26,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:08:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:26,702 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) [2023-02-16 04:08:26,706 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 [2023-02-16 04:08:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 04:08:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 04:08:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:08:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:08:26,782 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:08:26,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:08:26,930 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:08:26,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:08:26,935 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-16 04:08:26,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:08:26 BoogieIcfgContainer [2023-02-16 04:08:26,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:08:26,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:08:26,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:08:26,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:08:26,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:08:26" (1/3) ... [2023-02-16 04:08:26,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cb918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:08:26, skipping insertion in model container [2023-02-16 04:08:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:08:26" (2/3) ... [2023-02-16 04:08:26,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cb918b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:08:26, skipping insertion in model container [2023-02-16 04:08:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:08:26" (3/3) ... [2023-02-16 04:08:26,942 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark41_conjunctive.i [2023-02-16 04:08:26,953 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:08:26,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-16 04:08:26,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:08:26,987 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44560b83, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:08:26,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-16 04:08:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 31 states have internal predecessors, (36), 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) [2023-02-16 04:08:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-16 04:08:26,999 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:26,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-16 04:08:27,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,008 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2023-02-16 04:08:27,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727208822] [2023-02-16 04:08:27,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727208822] [2023-02-16 04:08:27,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727208822] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:27,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234270794] [2023-02-16 04:08:27,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:27,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:27,235 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 31 states have internal predecessors, (36), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-16 04:08:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,289 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2023-02-16 04:08:27,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2023-02-16 04:08:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,296 INFO L225 Difference]: With dead ends: 48 [2023-02-16 04:08:27,296 INFO L226 Difference]: Without dead ends: 25 [2023-02-16 04:08:27,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,302 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 31 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 36 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-16 04:08:27,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-16 04:08:27,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.5625) internal successors, (25), 24 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) [2023-02-16 04:08:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-02-16 04:08:27,331 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 5 [2023-02-16 04:08:27,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,332 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-02-16 04:08:27,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-16 04:08:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-02-16 04:08:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-16 04:08:27,333 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:08:27,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,338 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2023-02-16 04:08:27,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245756766] [2023-02-16 04:08:27,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245756766] [2023-02-16 04:08:27,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245756766] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130775704] [2023-02-16 04:08:27,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:27,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:27,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:27,391 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2023-02-16 04:08:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,436 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2023-02-16 04:08:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:27,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2023-02-16 04:08:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,438 INFO L225 Difference]: With dead ends: 39 [2023-02-16 04:08:27,438 INFO L226 Difference]: Without dead ends: 38 [2023-02-16 04:08:27,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,443 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 39 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-16 04:08:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2023-02-16 04:08:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2023-02-16 04:08:27,455 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 6 [2023-02-16 04:08:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,456 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2023-02-16 04:08:27,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2023-02-16 04:08:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2023-02-16 04:08:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-16 04:08:27,459 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:08:27,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2023-02-16 04:08:27,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184669190] [2023-02-16 04:08:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184669190] [2023-02-16 04:08:27,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184669190] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:27,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627231814] [2023-02-16 04:08:27,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:27,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:27,557 INFO L87 Difference]: Start difference. First operand 28 states and 29 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) [2023-02-16 04:08:27,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,600 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2023-02-16 04:08:27,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:27,601 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 [2023-02-16 04:08:27,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,601 INFO L225 Difference]: With dead ends: 28 [2023-02-16 04:08:27,601 INFO L226 Difference]: Without dead ends: 27 [2023-02-16 04:08:27,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,602 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 20 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 24 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-16 04:08:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-02-16 04:08:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2023-02-16 04:08:27,611 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 7 [2023-02-16 04:08:27,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,611 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2023-02-16 04:08:27,611 INFO L496 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) [2023-02-16 04:08:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2023-02-16 04:08:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-16 04:08:27,611 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:08:27,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1806982231, now seen corresponding path program 1 times [2023-02-16 04:08:27,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975093295] [2023-02-16 04:08:27,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975093295] [2023-02-16 04:08:27,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975093295] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:27,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036254782] [2023-02-16 04:08:27,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:27,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:27,660 INFO L87 Difference]: Start difference. First operand 27 states and 28 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) [2023-02-16 04:08:27,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,701 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2023-02-16 04:08:27,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:08:27,702 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 [2023-02-16 04:08:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,703 INFO L225 Difference]: With dead ends: 37 [2023-02-16 04:08:27,703 INFO L226 Difference]: Without dead ends: 36 [2023-02-16 04:08:27,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,704 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 37 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-16 04:08:27,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2023-02-16 04:08:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2023-02-16 04:08:27,708 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 7 [2023-02-16 04:08:27,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,708 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2023-02-16 04:08:27,708 INFO L496 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) [2023-02-16 04:08:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2023-02-16 04:08:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-16 04:08:27,709 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:08:27,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,710 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2023-02-16 04:08:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387177999] [2023-02-16 04:08:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387177999] [2023-02-16 04:08:27,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387177999] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:27,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280716487] [2023-02-16 04:08:27,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:27,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:27,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:27,760 INFO L87 Difference]: Start difference. First operand 30 states and 31 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) [2023-02-16 04:08:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,789 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2023-02-16 04:08:27,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:27,790 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 [2023-02-16 04:08:27,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,790 INFO L225 Difference]: With dead ends: 39 [2023-02-16 04:08:27,790 INFO L226 Difference]: Without dead ends: 38 [2023-02-16 04:08:27,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,791 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 11 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 38 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-16 04:08:27,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2023-02-16 04:08:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.375) internal successors, (33), 31 states have internal predecessors, (33), 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) [2023-02-16 04:08:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2023-02-16 04:08:27,795 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 8 [2023-02-16 04:08:27,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,795 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2023-02-16 04:08:27,795 INFO L496 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) [2023-02-16 04:08:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2023-02-16 04:08:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-16 04:08:27,795 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-16 04:08:27,796 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,796 INFO L85 PathProgramCache]: Analyzing trace with hash 181874382, now seen corresponding path program 1 times [2023-02-16 04:08:27,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926776433] [2023-02-16 04:08:27,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926776433] [2023-02-16 04:08:27,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926776433] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175585128] [2023-02-16 04:08:27,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:27,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:27,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:27,836 INFO L87 Difference]: Start difference. First operand 32 states and 33 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) [2023-02-16 04:08:27,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,864 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2023-02-16 04:08:27,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:27,864 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 [2023-02-16 04:08:27,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,865 INFO L225 Difference]: With dead ends: 34 [2023-02-16 04:08:27,866 INFO L226 Difference]: Without dead ends: 33 [2023-02-16 04:08:27,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,867 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 34 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 25 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-02-16 04:08:27,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-02-16 04:08:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.36) internal successors, (34), 32 states have internal predecessors, (34), 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) [2023-02-16 04:08:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2023-02-16 04:08:27,876 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 8 [2023-02-16 04:08:27,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,877 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2023-02-16 04:08:27,877 INFO L496 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) [2023-02-16 04:08:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2023-02-16 04:08:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-16 04:08:27,877 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 04:08:27,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1387005865, now seen corresponding path program 1 times [2023-02-16 04:08:27,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601652689] [2023-02-16 04:08:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601652689] [2023-02-16 04:08:27,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601652689] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:08:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059283294] [2023-02-16 04:08:27,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:08:27,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:08:27,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:08:27,917 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:27,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:27,930 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2023-02-16 04:08:27,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:08:27,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-16 04:08:27,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:27,931 INFO L225 Difference]: With dead ends: 40 [2023-02-16 04:08:27,931 INFO L226 Difference]: Without dead ends: 39 [2023-02-16 04:08:27,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:08:27,931 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:27,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 33 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:27,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-16 04:08:27,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2023-02-16 04:08:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2023-02-16 04:08:27,939 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 9 [2023-02-16 04:08:27,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:27,939 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2023-02-16 04:08:27,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2023-02-16 04:08:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-16 04:08:27,940 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:27,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:27,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-16 04:08:27,940 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:27,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1343138617, now seen corresponding path program 1 times [2023-02-16 04:08:27,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:27,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881012833] [2023-02-16 04:08:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:27,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:27,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:27,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881012833] [2023-02-16 04:08:27,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881012833] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:27,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:27,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:08:27,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478345680] [2023-02-16 04:08:27,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:27,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:08:27,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:27,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:08:27,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:27,996 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:28,025 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2023-02-16 04:08:28,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:08:28,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-16 04:08:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:28,028 INFO L225 Difference]: With dead ends: 38 [2023-02-16 04:08:28,028 INFO L226 Difference]: Without dead ends: 37 [2023-02-16 04:08:28,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:08:28,029 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 21 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:28,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 31 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:28,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-16 04:08:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2023-02-16 04:08:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 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) [2023-02-16 04:08:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2023-02-16 04:08:28,031 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 9 [2023-02-16 04:08:28,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:28,032 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2023-02-16 04:08:28,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2023-02-16 04:08:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-16 04:08:28,035 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:28,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:28,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-16 04:08:28,036 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:28,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:28,036 INFO L85 PathProgramCache]: Analyzing trace with hash 47508913, now seen corresponding path program 1 times [2023-02-16 04:08:28,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:28,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910643225] [2023-02-16 04:08:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:28,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910643225] [2023-02-16 04:08:28,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910643225] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:28,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:28,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:08:28,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697143788] [2023-02-16 04:08:28,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:28,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:08:28,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:28,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:08:28,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:08:28,068 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-02-16 04:08:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:28,077 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2023-02-16 04:08:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:08:28,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 [2023-02-16 04:08:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:28,078 INFO L225 Difference]: With dead ends: 35 [2023-02-16 04:08:28,078 INFO L226 Difference]: Without dead ends: 34 [2023-02-16 04:08:28,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:08:28,080 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:28,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 17 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:28,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-16 04:08:28,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-02-16 04:08:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2023-02-16 04:08:28,083 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 10 [2023-02-16 04:08:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:28,083 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2023-02-16 04:08:28,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-02-16 04:08:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2023-02-16 04:08:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-16 04:08:28,084 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:28,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:28,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-16 04:08:28,084 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:28,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1312375760, now seen corresponding path program 1 times [2023-02-16 04:08:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:28,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972664959] [2023-02-16 04:08:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:28,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972664959] [2023-02-16 04:08:28,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972664959] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:28,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:28,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:08:28,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252748928] [2023-02-16 04:08:28,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:28,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:08:28,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:28,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:08:28,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:08:28,107 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-02-16 04:08:28,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:28,131 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2023-02-16 04:08:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:08:28,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 [2023-02-16 04:08:28,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:28,132 INFO L225 Difference]: With dead ends: 36 [2023-02-16 04:08:28,132 INFO L226 Difference]: Without dead ends: 29 [2023-02-16 04:08:28,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:08:28,133 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 30 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:28,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 20 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:28,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-16 04:08:28,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-16 04:08:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 28 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2023-02-16 04:08:28,135 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 10 [2023-02-16 04:08:28,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:28,135 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2023-02-16 04:08:28,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-02-16 04:08:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2023-02-16 04:08:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-16 04:08:28,136 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:28,136 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:28,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-16 04:08:28,136 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:28,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:28,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2001134753, now seen corresponding path program 1 times [2023-02-16 04:08:28,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:28,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22287749] [2023-02-16 04:08:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:28,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22287749] [2023-02-16 04:08:28,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22287749] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:28,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433529947] [2023-02-16 04:08:28,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:28,202 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) [2023-02-16 04:08:28,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 04:08:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:08:28,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433529947] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:28,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:28,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-16 04:08:28,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505895685] [2023-02-16 04:08:28,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:28,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-16 04:08:28,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:28,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-16 04:08:28,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-16 04:08:28,342 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:28,427 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2023-02-16 04:08:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-16 04:08:28,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-16 04:08:28,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:28,428 INFO L225 Difference]: With dead ends: 82 [2023-02-16 04:08:28,428 INFO L226 Difference]: Without dead ends: 81 [2023-02-16 04:08:28,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:08:28,429 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 74 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:28,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 67 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-02-16 04:08:28,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 47. [2023-02-16 04:08:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 40 states have (on average 1.35) internal successors, (54), 46 states have internal predecessors, (54), 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) [2023-02-16 04:08:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2023-02-16 04:08:28,441 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 13 [2023-02-16 04:08:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:28,441 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2023-02-16 04:08:28,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-02-16 04:08:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-16 04:08:28,442 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:28,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:28,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-16 04:08:28,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-16 04:08:28,643 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:28,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:28,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1905680795, now seen corresponding path program 1 times [2023-02-16 04:08:28,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:28,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732012956] [2023-02-16 04:08:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:28,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732012956] [2023-02-16 04:08:28,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732012956] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:28,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:28,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-16 04:08:28,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545396867] [2023-02-16 04:08:28,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:28,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-16 04:08:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:28,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:08:28,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:08:28,697 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 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) [2023-02-16 04:08:28,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:28,751 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2023-02-16 04:08:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:08:28,752 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-16 04:08:28,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:28,753 INFO L225 Difference]: With dead ends: 47 [2023-02-16 04:08:28,753 INFO L226 Difference]: Without dead ends: 46 [2023-02-16 04:08:28,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-02-16 04:08:28,754 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 30 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:28,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 35 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:28,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-16 04:08:28,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-02-16 04:08:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2023-02-16 04:08:28,761 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 14 [2023-02-16 04:08:28,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:28,762 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2023-02-16 04:08:28,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 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) [2023-02-16 04:08:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-02-16 04:08:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-16 04:08:28,762 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:28,762 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:28,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-16 04:08:28,763 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:28,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1054852641, now seen corresponding path program 1 times [2023-02-16 04:08:28,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:28,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513895577] [2023-02-16 04:08:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:28,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513895577] [2023-02-16 04:08:28,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513895577] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:28,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35638696] [2023-02-16 04:08:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:28,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:28,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:28,822 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) [2023-02-16 04:08:28,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 04:08:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:28,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:08:28,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:28,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35638696] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:28,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:28,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-16 04:08:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57961398] [2023-02-16 04:08:28,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:28,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-16 04:08:28,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-16 04:08:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-16 04:08:28,923 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:28,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:28,992 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2023-02-16 04:08:28,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-16 04:08:28,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-16 04:08:28,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:28,993 INFO L225 Difference]: With dead ends: 78 [2023-02-16 04:08:28,993 INFO L226 Difference]: Without dead ends: 77 [2023-02-16 04:08:28,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:08:28,994 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:28,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 69 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-02-16 04:08:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 48. [2023-02-16 04:08:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2023-02-16 04:08:29,001 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 15 [2023-02-16 04:08:29,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:29,001 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-02-16 04:08:29,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-02-16 04:08:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-16 04:08:29,002 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:29,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:29,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-16 04:08:29,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-16 04:08:29,206 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:29,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:29,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1053437568, now seen corresponding path program 1 times [2023-02-16 04:08:29,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:29,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424875622] [2023-02-16 04:08:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:29,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:29,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:29,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424875622] [2023-02-16 04:08:29,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424875622] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:29,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577936287] [2023-02-16 04:08:29,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:29,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:29,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:29,253 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) [2023-02-16 04:08:29,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-16 04:08:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:29,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-16 04:08:29,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:29,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:29,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577936287] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:29,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:29,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2023-02-16 04:08:29,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348731087] [2023-02-16 04:08:29,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:29,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-16 04:08:29,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-16 04:08:29,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-02-16 04:08:29,390 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 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) [2023-02-16 04:08:29,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:29,467 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2023-02-16 04:08:29,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-16 04:08:29,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 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) Word has length 15 [2023-02-16 04:08:29,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:29,468 INFO L225 Difference]: With dead ends: 62 [2023-02-16 04:08:29,468 INFO L226 Difference]: Without dead ends: 61 [2023-02-16 04:08:29,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-02-16 04:08:29,469 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:29,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 65 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:29,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-02-16 04:08:29,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2023-02-16 04:08:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 51 states have internal predecessors, (57), 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) [2023-02-16 04:08:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2023-02-16 04:08:29,471 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 15 [2023-02-16 04:08:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:29,471 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2023-02-16 04:08:29,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 14 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) [2023-02-16 04:08:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-02-16 04:08:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-16 04:08:29,472 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:29,472 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:29,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-16 04:08:29,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:29,676 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:29,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:29,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1659306441, now seen corresponding path program 1 times [2023-02-16 04:08:29,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:29,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729778514] [2023-02-16 04:08:29,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:29,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:29,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:29,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729778514] [2023-02-16 04:08:29,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729778514] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:29,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978099628] [2023-02-16 04:08:29,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:29,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:29,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:29,704 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) [2023-02-16 04:08:29,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-16 04:08:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:29,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:08:29,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:29,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:29,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978099628] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:29,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:29,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-16 04:08:29,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947886073] [2023-02-16 04:08:29,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:29,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 04:08:29,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:29,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 04:08:29,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:08:29,776 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:29,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:29,801 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2023-02-16 04:08:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:08:29,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-02-16 04:08:29,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:29,801 INFO L225 Difference]: With dead ends: 75 [2023-02-16 04:08:29,801 INFO L226 Difference]: Without dead ends: 74 [2023-02-16 04:08:29,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:08:29,802 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 35 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:29,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 65 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:29,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-02-16 04:08:29,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 53. [2023-02-16 04:08:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 52 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) [2023-02-16 04:08:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2023-02-16 04:08:29,804 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 16 [2023-02-16 04:08:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:29,804 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2023-02-16 04:08:29,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2023-02-16 04:08:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-16 04:08:29,805 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:29,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:29,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-16 04:08:30,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-16 04:08:30,013 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:30,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:30,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1703173689, now seen corresponding path program 1 times [2023-02-16 04:08:30,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:30,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356635484] [2023-02-16 04:08:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:30,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356635484] [2023-02-16 04:08:30,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356635484] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:30,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948340058] [2023-02-16 04:08:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:30,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:30,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:30,085 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) [2023-02-16 04:08:30,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-16 04:08:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:30,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-16 04:08:30,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:30,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:08:30,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948340058] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:30,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-02-16 04:08:30,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 16 [2023-02-16 04:08:30,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394020275] [2023-02-16 04:08:30,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:30,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 04:08:30,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:30,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 04:08:30,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-02-16 04:08:30,269 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2023-02-16 04:08:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:30,312 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2023-02-16 04:08:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-16 04:08:30,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-02-16 04:08:30,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:30,313 INFO L225 Difference]: With dead ends: 53 [2023-02-16 04:08:30,313 INFO L226 Difference]: Without dead ends: 52 [2023-02-16 04:08:30,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2023-02-16 04:08:30,313 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:30,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 15 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:30,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-02-16 04:08:30,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-02-16 04:08:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 51 states have internal predecessors, (55), 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) [2023-02-16 04:08:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2023-02-16 04:08:30,317 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 16 [2023-02-16 04:08:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:30,317 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2023-02-16 04:08:30,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2023-02-16 04:08:30,317 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2023-02-16 04:08:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-16 04:08:30,319 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:30,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:30,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-02-16 04:08:30,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-16 04:08:30,524 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:30,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:30,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1258776734, now seen corresponding path program 1 times [2023-02-16 04:08:30,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:30,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079989581] [2023-02-16 04:08:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 04:08:30,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:30,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079989581] [2023-02-16 04:08:30,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079989581] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:08:30,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:08:30,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-16 04:08:30,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675068803] [2023-02-16 04:08:30,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:08:30,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 04:08:30,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:30,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 04:08:30,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:08:30,561 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:30,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:30,589 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2023-02-16 04:08:30,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:08:30,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-16 04:08:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:30,590 INFO L225 Difference]: With dead ends: 52 [2023-02-16 04:08:30,590 INFO L226 Difference]: Without dead ends: 45 [2023-02-16 04:08:30,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-02-16 04:08:30,591 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 13 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:30,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 12 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:30,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-02-16 04:08:30,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-02-16 04:08:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 44 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:30,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2023-02-16 04:08:30,598 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 17 [2023-02-16 04:08:30,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:30,598 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2023-02-16 04:08:30,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2023-02-16 04:08:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-16 04:08:30,599 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:30,599 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:30,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-16 04:08:30,599 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:30,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:30,600 INFO L85 PathProgramCache]: Analyzing trace with hash 179577536, now seen corresponding path program 2 times [2023-02-16 04:08:30,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:30,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186704929] [2023-02-16 04:08:30,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:30,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:30,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:30,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186704929] [2023-02-16 04:08:30,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186704929] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:30,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738762656] [2023-02-16 04:08:30,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:08:30,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:30,709 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) [2023-02-16 04:08:30,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-16 04:08:30,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:08:30,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:30,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjunts are in the unsatisfiable core [2023-02-16 04:08:30,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:30,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:31,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738762656] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:31,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:31,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 30 [2023-02-16 04:08:31,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403568247] [2023-02-16 04:08:31,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:31,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-02-16 04:08:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-02-16 04:08:31,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2023-02-16 04:08:31,004 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 31 states, 30 states have (on average 2.7666666666666666) internal successors, (83), 31 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:31,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:31,205 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2023-02-16 04:08:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-16 04:08:31,206 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.7666666666666666) internal successors, (83), 31 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-02-16 04:08:31,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:31,207 INFO L225 Difference]: With dead ends: 87 [2023-02-16 04:08:31,207 INFO L226 Difference]: Without dead ends: 70 [2023-02-16 04:08:31,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=370, Invalid=1610, Unknown=0, NotChecked=0, Total=1980 [2023-02-16 04:08:31,208 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 90 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:31,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 119 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-02-16 04:08:31,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 61. [2023-02-16 04:08:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 60 states have internal predecessors, (67), 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) [2023-02-16 04:08:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2023-02-16 04:08:31,212 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 29 [2023-02-16 04:08:31,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:31,212 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2023-02-16 04:08:31,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.7666666666666666) internal successors, (83), 31 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:08:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2023-02-16 04:08:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-16 04:08:31,212 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:31,212 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2023-02-16 04:08:31,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-16 04:08:31,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-16 04:08:31,417 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:31,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:31,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1492176557, now seen corresponding path program 2 times [2023-02-16 04:08:31,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:31,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765143124] [2023-02-16 04:08:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:31,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:31,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765143124] [2023-02-16 04:08:31,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765143124] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:31,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71680536] [2023-02-16 04:08:31,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:08:31,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:31,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:31,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-16 04:08:31,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:08:31,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:31,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:08:31,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:31,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:31,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71680536] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:31,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:31,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-02-16 04:08:31,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903186777] [2023-02-16 04:08:31,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:31,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-16 04:08:31,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:31,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-16 04:08:31,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-02-16 04:08:31,709 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 22 states, 21 states have (on average 3.142857142857143) internal successors, (66), 22 states have internal predecessors, (66), 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) [2023-02-16 04:08:31,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:31,835 INFO L93 Difference]: Finished difference Result 110 states and 115 transitions. [2023-02-16 04:08:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-16 04:08:31,835 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.142857142857143) internal successors, (66), 22 states have internal predecessors, (66), 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 34 [2023-02-16 04:08:31,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:31,835 INFO L225 Difference]: With dead ends: 110 [2023-02-16 04:08:31,836 INFO L226 Difference]: Without dead ends: 109 [2023-02-16 04:08:31,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-02-16 04:08:31,836 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 86 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:31,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 99 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:31,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-02-16 04:08:31,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 84. [2023-02-16 04:08:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.2125) internal successors, (97), 83 states have internal predecessors, (97), 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) [2023-02-16 04:08:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 97 transitions. [2023-02-16 04:08:31,840 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 97 transitions. Word has length 34 [2023-02-16 04:08:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:31,840 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 97 transitions. [2023-02-16 04:08:31,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.142857142857143) internal successors, (66), 22 states have internal predecessors, (66), 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) [2023-02-16 04:08:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2023-02-16 04:08:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-16 04:08:31,840 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:31,840 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-02-16 04:08:31,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:32,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:32,045 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:32,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:32,046 INFO L85 PathProgramCache]: Analyzing trace with hash -537403921, now seen corresponding path program 2 times [2023-02-16 04:08:32,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:32,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386918395] [2023-02-16 04:08:32,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:32,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:32,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:32,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386918395] [2023-02-16 04:08:32,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386918395] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:32,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013193929] [2023-02-16 04:08:32,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:08:32,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:32,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:32,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:32,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-16 04:08:32,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:08:32,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:32,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-16 04:08:32,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:32,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:32,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013193929] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:32,320 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:32,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-02-16 04:08:32,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463447064] [2023-02-16 04:08:32,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:32,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-16 04:08:32,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:32,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-16 04:08:32,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-02-16 04:08:32,321 INFO L87 Difference]: Start difference. First operand 84 states and 97 transitions. Second operand has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 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) [2023-02-16 04:08:32,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:32,446 INFO L93 Difference]: Finished difference Result 107 states and 112 transitions. [2023-02-16 04:08:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-16 04:08:32,447 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 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 36 [2023-02-16 04:08:32,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:32,447 INFO L225 Difference]: With dead ends: 107 [2023-02-16 04:08:32,447 INFO L226 Difference]: Without dead ends: 106 [2023-02-16 04:08:32,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-02-16 04:08:32,448 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 71 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:32,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 117 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:32,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-02-16 04:08:32,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 86. [2023-02-16 04:08:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 82 states have (on average 1.146341463414634) internal successors, (94), 85 states have internal predecessors, (94), 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) [2023-02-16 04:08:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2023-02-16 04:08:32,452 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 36 [2023-02-16 04:08:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:32,452 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2023-02-16 04:08:32,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 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) [2023-02-16 04:08:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-02-16 04:08:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-02-16 04:08:32,452 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:32,452 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2023-02-16 04:08:32,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:32,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:32,653 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:32,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash 520347689, now seen corresponding path program 2 times [2023-02-16 04:08:32,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:32,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962752051] [2023-02-16 04:08:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:32,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:32,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:32,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962752051] [2023-02-16 04:08:32,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962752051] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:32,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242936808] [2023-02-16 04:08:32,717 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 04:08:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:32,718 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:32,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-16 04:08:32,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 04:08:32,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:32,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 04:08:32,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:32,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:32,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242936808] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:32,855 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:32,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-16 04:08:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639118166] [2023-02-16 04:08:32,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:32,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 04:08:32,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 04:08:32,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:08:32,856 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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) [2023-02-16 04:08:32,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:32,877 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2023-02-16 04:08:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-16 04:08:32,878 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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 37 [2023-02-16 04:08:32,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:32,878 INFO L225 Difference]: With dead ends: 103 [2023-02-16 04:08:32,878 INFO L226 Difference]: Without dead ends: 102 [2023-02-16 04:08:32,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-16 04:08:32,879 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:32,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 102 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-16 04:08:32,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2023-02-16 04:08:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 86 states have internal predecessors, (90), 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) [2023-02-16 04:08:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2023-02-16 04:08:32,883 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 37 [2023-02-16 04:08:32,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:32,883 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2023-02-16 04:08:32,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 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) [2023-02-16 04:08:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2023-02-16 04:08:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-02-16 04:08:32,884 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:32,884 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:32,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:33,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:33,089 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:33,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:33,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1591035072, now seen corresponding path program 3 times [2023-02-16 04:08:33,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:33,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549976735] [2023-02-16 04:08:33,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:33,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:33,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:33,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549976735] [2023-02-16 04:08:33,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549976735] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:33,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380615574] [2023-02-16 04:08:33,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:08:33,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:33,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:33,261 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:33,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-16 04:08:33,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-02-16 04:08:33,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:33,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 31 conjunts are in the unsatisfiable core [2023-02-16 04:08:33,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:33,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:33,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380615574] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:33,988 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:33,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23, 23] total 62 [2023-02-16 04:08:33,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771562338] [2023-02-16 04:08:33,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:33,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-02-16 04:08:33,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:33,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-02-16 04:08:33,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=3315, Unknown=0, NotChecked=0, Total=3906 [2023-02-16 04:08:33,990 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand has 63 states, 62 states have (on average 2.693548387096774) internal successors, (167), 63 states have internal predecessors, (167), 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) [2023-02-16 04:08:34,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:34,498 INFO L93 Difference]: Finished difference Result 165 states and 172 transitions. [2023-02-16 04:08:34,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-02-16 04:08:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 2.693548387096774) internal successors, (167), 63 states have internal predecessors, (167), 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 57 [2023-02-16 04:08:34,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:34,501 INFO L225 Difference]: With dead ends: 165 [2023-02-16 04:08:34,501 INFO L226 Difference]: Without dead ends: 132 [2023-02-16 04:08:34,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3544 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1476, Invalid=7454, Unknown=0, NotChecked=0, Total=8930 [2023-02-16 04:08:34,504 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 240 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:34,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 153 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:34,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-02-16 04:08:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 117. [2023-02-16 04:08:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 113 states have (on average 1.1415929203539823) internal successors, (129), 116 states have internal predecessors, (129), 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) [2023-02-16 04:08:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2023-02-16 04:08:34,508 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 57 [2023-02-16 04:08:34,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:34,508 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2023-02-16 04:08:34,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 2.693548387096774) internal successors, (167), 63 states have internal predecessors, (167), 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) [2023-02-16 04:08:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2023-02-16 04:08:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-02-16 04:08:34,509 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:34,509 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2023-02-16 04:08:34,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:34,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-02-16 04:08:34,713 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:34,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1429047789, now seen corresponding path program 3 times [2023-02-16 04:08:34,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:34,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264226463] [2023-02-16 04:08:34,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:34,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:34,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:34,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264226463] [2023-02-16 04:08:34,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264226463] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:34,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104287370] [2023-02-16 04:08:34,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:08:34,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:34,992 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:34,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-16 04:08:35,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 04:08:35,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:35,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-16 04:08:35,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:35,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:35,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104287370] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:35,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:35,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-16 04:08:35,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111398840] [2023-02-16 04:08:35,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:35,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-16 04:08:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-16 04:08:35,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-02-16 04:08:35,517 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand has 46 states, 45 states have (on average 3.3333333333333335) internal successors, (150), 46 states have internal predecessors, (150), 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) [2023-02-16 04:08:35,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:35,882 INFO L93 Difference]: Finished difference Result 226 states and 237 transitions. [2023-02-16 04:08:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-16 04:08:35,883 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.3333333333333335) internal successors, (150), 46 states have internal predecessors, (150), 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 76 [2023-02-16 04:08:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:35,883 INFO L225 Difference]: With dead ends: 226 [2023-02-16 04:08:35,883 INFO L226 Difference]: Without dead ends: 225 [2023-02-16 04:08:35,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-02-16 04:08:35,885 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 264 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:35,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 215 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-02-16 04:08:35,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 168. [2023-02-16 04:08:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 164 states have (on average 1.201219512195122) internal successors, (197), 167 states have internal predecessors, (197), 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) [2023-02-16 04:08:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 197 transitions. [2023-02-16 04:08:35,890 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 197 transitions. Word has length 76 [2023-02-16 04:08:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:35,890 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 197 transitions. [2023-02-16 04:08:35,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.3333333333333335) internal successors, (150), 46 states have internal predecessors, (150), 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) [2023-02-16 04:08:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 197 transitions. [2023-02-16 04:08:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-02-16 04:08:35,891 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:35,891 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2023-02-16 04:08:35,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:36,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-02-16 04:08:36,093 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1074607825, now seen corresponding path program 3 times [2023-02-16 04:08:36,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:36,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492947978] [2023-02-16 04:08:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:36,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:36,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492947978] [2023-02-16 04:08:36,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492947978] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:36,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233435491] [2023-02-16 04:08:36,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:08:36,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:36,365 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:36,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-16 04:08:36,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 04:08:36,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:36,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-16 04:08:36,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:36,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:36,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233435491] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:36,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:36,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-16 04:08:36,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851843929] [2023-02-16 04:08:36,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:36,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-16 04:08:36,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:36,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-16 04:08:36,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-02-16 04:08:36,883 INFO L87 Difference]: Start difference. First operand 168 states and 197 transitions. Second operand has 46 states, 45 states have (on average 3.422222222222222) internal successors, (154), 46 states have internal predecessors, (154), 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) [2023-02-16 04:08:37,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:37,284 INFO L93 Difference]: Finished difference Result 217 states and 228 transitions. [2023-02-16 04:08:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-16 04:08:37,284 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.422222222222222) internal successors, (154), 46 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-02-16 04:08:37,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:37,285 INFO L225 Difference]: With dead ends: 217 [2023-02-16 04:08:37,285 INFO L226 Difference]: Without dead ends: 216 [2023-02-16 04:08:37,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-02-16 04:08:37,287 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 236 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:37,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 173 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:37,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-02-16 04:08:37,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2023-02-16 04:08:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 166 states have (on average 1.1325301204819278) internal successors, (188), 169 states have internal predecessors, (188), 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) [2023-02-16 04:08:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 188 transitions. [2023-02-16 04:08:37,291 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 188 transitions. Word has length 78 [2023-02-16 04:08:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:37,292 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 188 transitions. [2023-02-16 04:08:37,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.422222222222222) internal successors, (154), 46 states have internal predecessors, (154), 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) [2023-02-16 04:08:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 188 transitions. [2023-02-16 04:08:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-02-16 04:08:37,292 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:37,292 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2023-02-16 04:08:37,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:37,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-02-16 04:08:37,498 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1046895849, now seen corresponding path program 3 times [2023-02-16 04:08:37,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:37,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822523625] [2023-02-16 04:08:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:37,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:37,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:37,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822523625] [2023-02-16 04:08:37,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822523625] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:37,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996278268] [2023-02-16 04:08:37,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 04:08:37,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:37,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:37,621 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:37,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-16 04:08:37,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 04:08:37,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:37,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:08:37,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:37,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:37,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996278268] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:37,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:37,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-16 04:08:37,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023829172] [2023-02-16 04:08:37,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:37,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-16 04:08:37,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-16 04:08:37,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:08:37,946 INFO L87 Difference]: Start difference. First operand 170 states and 188 transitions. Second operand has 24 states, 23 states have (on average 6.782608695652174) internal successors, (156), 24 states have internal predecessors, (156), 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) [2023-02-16 04:08:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:37,998 INFO L93 Difference]: Finished difference Result 207 states and 218 transitions. [2023-02-16 04:08:37,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-16 04:08:38,003 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.782608695652174) internal successors, (156), 24 states have internal predecessors, (156), 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 79 [2023-02-16 04:08:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:38,004 INFO L225 Difference]: With dead ends: 207 [2023-02-16 04:08:38,004 INFO L226 Difference]: Without dead ends: 206 [2023-02-16 04:08:38,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-16 04:08:38,006 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 67 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:38,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 193 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:08:38,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-02-16 04:08:38,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 171. [2023-02-16 04:08:38,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 167 states have (on average 1.0658682634730539) internal successors, (178), 170 states have internal predecessors, (178), 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) [2023-02-16 04:08:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 178 transitions. [2023-02-16 04:08:38,012 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 178 transitions. Word has length 79 [2023-02-16 04:08:38,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:38,012 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 178 transitions. [2023-02-16 04:08:38,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.782608695652174) internal successors, (156), 24 states have internal predecessors, (156), 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) [2023-02-16 04:08:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 178 transitions. [2023-02-16 04:08:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-02-16 04:08:38,016 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:38,016 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:38,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:38,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-02-16 04:08:38,222 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:38,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:38,222 INFO L85 PathProgramCache]: Analyzing trace with hash 236104768, now seen corresponding path program 4 times [2023-02-16 04:08:38,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:38,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933185281] [2023-02-16 04:08:38,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:38,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:38,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:38,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933185281] [2023-02-16 04:08:38,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933185281] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:38,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390189551] [2023-02-16 04:08:38,803 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:08:38,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:38,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:38,804 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:38,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-16 04:08:38,854 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:08:38,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:38,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 63 conjunts are in the unsatisfiable core [2023-02-16 04:08:38,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:39,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:40,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390189551] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:40,923 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:40,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 47, 47] total 126 [2023-02-16 04:08:40,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698508292] [2023-02-16 04:08:40,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:40,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2023-02-16 04:08:40,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:40,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2023-02-16 04:08:40,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2267, Invalid=13735, Unknown=0, NotChecked=0, Total=16002 [2023-02-16 04:08:40,928 INFO L87 Difference]: Start difference. First operand 171 states and 178 transitions. Second operand has 127 states, 126 states have (on average 2.6587301587301586) internal successors, (335), 127 states have internal predecessors, (335), 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) [2023-02-16 04:08:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:42,541 INFO L93 Difference]: Finished difference Result 321 states and 336 transitions. [2023-02-16 04:08:42,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-02-16 04:08:42,542 INFO L78 Accepts]: Start accepts. Automaton has has 127 states, 126 states have (on average 2.6587301587301586) internal successors, (335), 127 states have internal predecessors, (335), 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 113 [2023-02-16 04:08:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:42,542 INFO L225 Difference]: With dead ends: 321 [2023-02-16 04:08:42,542 INFO L226 Difference]: Without dead ends: 256 [2023-02-16 04:08:42,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16296 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5896, Invalid=31934, Unknown=0, NotChecked=0, Total=37830 [2023-02-16 04:08:42,546 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 620 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:42,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 228 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:08:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-02-16 04:08:42,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2023-02-16 04:08:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 225 states have (on average 1.1244444444444444) internal successors, (253), 228 states have internal predecessors, (253), 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) [2023-02-16 04:08:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 253 transitions. [2023-02-16 04:08:42,553 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 253 transitions. Word has length 113 [2023-02-16 04:08:42,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:42,553 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 253 transitions. [2023-02-16 04:08:42,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 126 states have (on average 2.6587301587301586) internal successors, (335), 127 states have internal predecessors, (335), 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) [2023-02-16 04:08:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 253 transitions. [2023-02-16 04:08:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-02-16 04:08:42,554 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:42,555 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2023-02-16 04:08:42,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:42,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:42,760 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:42,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1207906195, now seen corresponding path program 4 times [2023-02-16 04:08:42,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:42,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088968305] [2023-02-16 04:08:42,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:42,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:43,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:43,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088968305] [2023-02-16 04:08:43,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088968305] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:43,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746042896] [2023-02-16 04:08:43,692 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:08:43,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:43,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:43,693 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:43,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-02-16 04:08:43,758 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:08:43,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:43,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-16 04:08:43,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:43,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:45,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746042896] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:45,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:45,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2023-02-16 04:08:45,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174506391] [2023-02-16 04:08:45,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:45,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-16 04:08:45,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:45,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-16 04:08:45,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-02-16 04:08:45,286 INFO L87 Difference]: Start difference. First operand 229 states and 253 transitions. Second operand has 94 states, 93 states have (on average 3.4193548387096775) internal successors, (318), 94 states have internal predecessors, (318), 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) [2023-02-16 04:08:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:46,480 INFO L93 Difference]: Finished difference Result 458 states and 481 transitions. [2023-02-16 04:08:46,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-16 04:08:46,480 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.4193548387096775) internal successors, (318), 94 states have internal predecessors, (318), 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 160 [2023-02-16 04:08:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:46,486 INFO L225 Difference]: With dead ends: 458 [2023-02-16 04:08:46,486 INFO L226 Difference]: Without dead ends: 457 [2023-02-16 04:08:46,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-02-16 04:08:46,490 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 609 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:46,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 367 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:08:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-02-16 04:08:46,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 336. [2023-02-16 04:08:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 332 states have (on average 1.1957831325301205) internal successors, (397), 335 states have internal predecessors, (397), 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) [2023-02-16 04:08:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 397 transitions. [2023-02-16 04:08:46,498 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 397 transitions. Word has length 160 [2023-02-16 04:08:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:46,499 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 397 transitions. [2023-02-16 04:08:46,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.4193548387096775) internal successors, (318), 94 states have internal predecessors, (318), 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) [2023-02-16 04:08:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 397 transitions. [2023-02-16 04:08:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-02-16 04:08:46,500 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:46,500 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2023-02-16 04:08:46,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:46,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-02-16 04:08:46,705 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:46,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1156681809, now seen corresponding path program 4 times [2023-02-16 04:08:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:46,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094996532] [2023-02-16 04:08:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:47,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:47,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094996532] [2023-02-16 04:08:47,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094996532] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:47,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161261558] [2023-02-16 04:08:47,522 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:08:47,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:47,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:47,523 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:47,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-02-16 04:08:47,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:08:47,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:47,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-16 04:08:47,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:47,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1727 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:49,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161261558] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:49,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:49,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2023-02-16 04:08:49,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534452710] [2023-02-16 04:08:49,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:49,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-16 04:08:49,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:49,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-16 04:08:49,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-02-16 04:08:49,149 INFO L87 Difference]: Start difference. First operand 336 states and 397 transitions. Second operand has 94 states, 93 states have (on average 3.4623655913978495) internal successors, (322), 94 states have internal predecessors, (322), 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) [2023-02-16 04:08:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:50,339 INFO L93 Difference]: Finished difference Result 437 states and 460 transitions. [2023-02-16 04:08:50,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-16 04:08:50,340 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.4623655913978495) internal successors, (322), 94 states have internal predecessors, (322), 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 162 [2023-02-16 04:08:50,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:50,341 INFO L225 Difference]: With dead ends: 437 [2023-02-16 04:08:50,341 INFO L226 Difference]: Without dead ends: 436 [2023-02-16 04:08:50,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-02-16 04:08:50,342 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 519 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:50,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 316 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:08:50,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2023-02-16 04:08:50,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 338. [2023-02-16 04:08:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 334 states have (on average 1.125748502994012) internal successors, (376), 337 states have internal predecessors, (376), 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) [2023-02-16 04:08:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 376 transitions. [2023-02-16 04:08:50,355 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 376 transitions. Word has length 162 [2023-02-16 04:08:50,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:50,355 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 376 transitions. [2023-02-16 04:08:50,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.4623655913978495) internal successors, (322), 94 states have internal predecessors, (322), 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) [2023-02-16 04:08:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 376 transitions. [2023-02-16 04:08:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-02-16 04:08:50,356 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:50,357 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2023-02-16 04:08:50,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:50,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-02-16 04:08:50,562 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:50,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1497397655, now seen corresponding path program 4 times [2023-02-16 04:08:50,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:50,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966716001] [2023-02-16 04:08:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:50,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:50,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966716001] [2023-02-16 04:08:50,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966716001] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:50,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442654428] [2023-02-16 04:08:50,970 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-16 04:08:50,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:50,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:50,971 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:50,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-02-16 04:08:51,039 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-16 04:08:51,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:51,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-16 04:08:51,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:51,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:08:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:51,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442654428] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:08:51,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:08:51,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-16 04:08:51,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755633649] [2023-02-16 04:08:51,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:08:51,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-16 04:08:51,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:08:51,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-16 04:08:51,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:08:51,848 INFO L87 Difference]: Start difference. First operand 338 states and 376 transitions. Second operand has 48 states, 47 states have (on average 6.8936170212765955) internal successors, (324), 48 states have internal predecessors, (324), 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) [2023-02-16 04:08:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:08:51,966 INFO L93 Difference]: Finished difference Result 415 states and 438 transitions. [2023-02-16 04:08:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-16 04:08:51,967 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.8936170212765955) internal successors, (324), 48 states have internal predecessors, (324), 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 163 [2023-02-16 04:08:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:08:51,969 INFO L225 Difference]: With dead ends: 415 [2023-02-16 04:08:51,969 INFO L226 Difference]: Without dead ends: 414 [2023-02-16 04:08:51,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-16 04:08:51,970 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 227 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:08:51,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 366 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:08:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2023-02-16 04:08:51,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 339. [2023-02-16 04:08:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 335 states have (on average 1.0567164179104478) internal successors, (354), 338 states have internal predecessors, (354), 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) [2023-02-16 04:08:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 354 transitions. [2023-02-16 04:08:51,980 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 354 transitions. Word has length 163 [2023-02-16 04:08:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:08:51,981 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 354 transitions. [2023-02-16 04:08:51,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.8936170212765955) internal successors, (324), 48 states have internal predecessors, (324), 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) [2023-02-16 04:08:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 354 transitions. [2023-02-16 04:08:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-02-16 04:08:51,982 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:08:51,982 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:08:51,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-02-16 04:08:52,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-02-16 04:08:52,188 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:08:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:08:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1689416128, now seen corresponding path program 5 times [2023-02-16 04:08:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:08:52,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660898772] [2023-02-16 04:08:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:08:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:08:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:08:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3286 backedges. 0 proven. 3286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:53,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:08:53,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660898772] [2023-02-16 04:08:53,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660898772] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:08:53,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740501869] [2023-02-16 04:08:53,851 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:08:53,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:08:53,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:08:53,852 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:08:53,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-02-16 04:08:54,011 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2023-02-16 04:08:54,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:08:54,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 127 conjunts are in the unsatisfiable core [2023-02-16 04:08:54,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:08:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3286 backedges. 0 proven. 3286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:08:56,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:09:00,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3286 backedges. 0 proven. 3286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:00,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740501869] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:09:00,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:09:00,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 95, 95] total 254 [2023-02-16 04:09:00,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816712127] [2023-02-16 04:09:00,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:09:00,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2023-02-16 04:09:00,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:09:00,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2023-02-16 04:09:00,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8883, Invalid=55887, Unknown=0, NotChecked=0, Total=64770 [2023-02-16 04:09:00,459 INFO L87 Difference]: Start difference. First operand 339 states and 354 transitions. Second operand has 255 states, 254 states have (on average 2.641732283464567) internal successors, (671), 255 states have internal predecessors, (671), 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) [2023-02-16 04:09:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:09:05,948 INFO L93 Difference]: Finished difference Result 633 states and 664 transitions. [2023-02-16 04:09:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-02-16 04:09:05,948 INFO L78 Accepts]: Start accepts. Automaton has has 255 states, 254 states have (on average 2.641732283464567) internal successors, (671), 255 states have internal predecessors, (671), 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 225 [2023-02-16 04:09:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:09:05,957 INFO L225 Difference]: With dead ends: 633 [2023-02-16 04:09:05,957 INFO L226 Difference]: Without dead ends: 504 [2023-02-16 04:09:05,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 393 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69640 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=23568, Invalid=132062, Unknown=0, NotChecked=0, Total=155630 [2023-02-16 04:09:05,965 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1330 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-16 04:09:05,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 384 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-16 04:09:05,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2023-02-16 04:09:05,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 453. [2023-02-16 04:09:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 449 states have (on average 1.1158129175946547) internal successors, (501), 452 states have internal predecessors, (501), 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) [2023-02-16 04:09:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 501 transitions. [2023-02-16 04:09:05,981 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 501 transitions. Word has length 225 [2023-02-16 04:09:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:09:05,981 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 501 transitions. [2023-02-16 04:09:05,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 255 states, 254 states have (on average 2.641732283464567) internal successors, (671), 255 states have internal predecessors, (671), 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) [2023-02-16 04:09:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 501 transitions. [2023-02-16 04:09:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-02-16 04:09:05,983 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:09:05,984 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2023-02-16 04:09:05,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-02-16 04:09:06,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:09:06,190 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:09:06,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:09:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash -734093971, now seen corresponding path program 5 times [2023-02-16 04:09:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:09:06,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011292684] [2023-02-16 04:09:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:09:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:09:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:09:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:09,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:09:09,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011292684] [2023-02-16 04:09:09,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011292684] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:09:09,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289030877] [2023-02-16 04:09:09,694 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:09:09,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:09:09,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:09:09,695 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:09:09,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-02-16 04:09:10,083 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-16 04:09:10,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:09:10,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-16 04:09:10,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:09:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:10,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:09:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 0 proven. 7383 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:15,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289030877] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:09:15,572 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:09:15,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2023-02-16 04:09:15,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358462351] [2023-02-16 04:09:15,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:09:15,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-02-16 04:09:15,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:09:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-02-16 04:09:15,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2023-02-16 04:09:15,578 INFO L87 Difference]: Start difference. First operand 453 states and 501 transitions. Second operand has 190 states, 189 states have (on average 3.4603174603174605) internal successors, (654), 190 states have internal predecessors, (654), 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) [2023-02-16 04:09:20,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:09:20,214 INFO L93 Difference]: Finished difference Result 922 states and 969 transitions. [2023-02-16 04:09:20,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-16 04:09:20,214 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.4603174603174605) internal successors, (654), 190 states have internal predecessors, (654), 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 328 [2023-02-16 04:09:20,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:09:20,217 INFO L225 Difference]: With dead ends: 922 [2023-02-16 04:09:20,217 INFO L226 Difference]: Without dead ends: 921 [2023-02-16 04:09:20,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2023-02-16 04:09:20,220 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1637 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:09:20,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 625 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:09:20,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2023-02-16 04:09:20,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 672. [2023-02-16 04:09:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 668 states have (on average 1.1931137724550898) internal successors, (797), 671 states have internal predecessors, (797), 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) [2023-02-16 04:09:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 797 transitions. [2023-02-16 04:09:20,234 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 797 transitions. Word has length 328 [2023-02-16 04:09:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:09:20,235 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 797 transitions. [2023-02-16 04:09:20,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.4603174603174605) internal successors, (654), 190 states have internal predecessors, (654), 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) [2023-02-16 04:09:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 797 transitions. [2023-02-16 04:09:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-02-16 04:09:20,237 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:09:20,238 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2023-02-16 04:09:20,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-02-16 04:09:20,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:09:20,443 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:09:20,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:09:20,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1089667921, now seen corresponding path program 5 times [2023-02-16 04:09:20,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:09:20,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461224595] [2023-02-16 04:09:20,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:09:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:09:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:09:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 0 proven. 7475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:23,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:09:23,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461224595] [2023-02-16 04:09:23,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461224595] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:09:23,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782583759] [2023-02-16 04:09:23,792 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:09:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:09:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:09:23,793 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:09:23,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-02-16 04:09:24,170 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-16 04:09:24,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:09:24,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 95 conjunts are in the unsatisfiable core [2023-02-16 04:09:24,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:09:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 0 proven. 7475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:24,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:09:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 0 proven. 7475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:29,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782583759] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:09:29,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:09:29,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2023-02-16 04:09:29,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549750612] [2023-02-16 04:09:29,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:09:29,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-02-16 04:09:29,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:09:29,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-02-16 04:09:29,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2023-02-16 04:09:29,659 INFO L87 Difference]: Start difference. First operand 672 states and 797 transitions. Second operand has 190 states, 189 states have (on average 3.4814814814814814) internal successors, (658), 190 states have internal predecessors, (658), 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) [2023-02-16 04:09:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:09:34,318 INFO L93 Difference]: Finished difference Result 877 states and 924 transitions. [2023-02-16 04:09:34,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-16 04:09:34,318 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.4814814814814814) internal successors, (658), 190 states have internal predecessors, (658), 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 330 [2023-02-16 04:09:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:09:34,320 INFO L225 Difference]: With dead ends: 877 [2023-02-16 04:09:34,320 INFO L226 Difference]: Without dead ends: 876 [2023-02-16 04:09:34,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 847 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2023-02-16 04:09:34,324 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1215 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-16 04:09:34,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 590 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-16 04:09:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-02-16 04:09:34,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 674. [2023-02-16 04:09:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 670 states have (on average 1.1223880597014926) internal successors, (752), 673 states have internal predecessors, (752), 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) [2023-02-16 04:09:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 752 transitions. [2023-02-16 04:09:34,339 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 752 transitions. Word has length 330 [2023-02-16 04:09:34,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:09:34,339 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 752 transitions. [2023-02-16 04:09:34,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.4814814814814814) internal successors, (658), 190 states have internal predecessors, (658), 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) [2023-02-16 04:09:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 752 transitions. [2023-02-16 04:09:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-02-16 04:09:34,341 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:09:34,341 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2023-02-16 04:09:34,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-02-16 04:09:34,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-02-16 04:09:34,546 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:09:34,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:09:34,546 INFO L85 PathProgramCache]: Analyzing trace with hash 580032873, now seen corresponding path program 5 times [2023-02-16 04:09:34,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:09:34,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275038337] [2023-02-16 04:09:34,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:09:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:09:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:09:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 7521 backedges. 0 proven. 7521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:35,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:09:35,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275038337] [2023-02-16 04:09:35,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275038337] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:09:35,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207331927] [2023-02-16 04:09:35,783 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-16 04:09:35,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:09:35,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:09:35,784 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:09:35,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-02-16 04:09:36,143 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-16 04:09:36,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:09:36,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-16 04:09:36,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:09:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7521 backedges. 0 proven. 7521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:36,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:09:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7521 backedges. 0 proven. 7521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:38,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207331927] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:09:38,584 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:09:38,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-16 04:09:38,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65587190] [2023-02-16 04:09:38,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:09:38,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-16 04:09:38,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:09:38,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-16 04:09:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-16 04:09:38,588 INFO L87 Difference]: Start difference. First operand 674 states and 752 transitions. Second operand has 96 states, 95 states have (on average 6.947368421052632) internal successors, (660), 96 states have internal predecessors, (660), 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) [2023-02-16 04:09:38,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:09:38,871 INFO L93 Difference]: Finished difference Result 831 states and 878 transitions. [2023-02-16 04:09:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-02-16 04:09:38,872 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 6.947368421052632) internal successors, (660), 96 states have internal predecessors, (660), 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 331 [2023-02-16 04:09:38,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:09:38,874 INFO L225 Difference]: With dead ends: 831 [2023-02-16 04:09:38,874 INFO L226 Difference]: Without dead ends: 830 [2023-02-16 04:09:38,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-16 04:09:38,875 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 602 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:09:38,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 702 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:09:38,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2023-02-16 04:09:38,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 675. [2023-02-16 04:09:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 671 states have (on average 1.052160953800298) internal successors, (706), 674 states have internal predecessors, (706), 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) [2023-02-16 04:09:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 706 transitions. [2023-02-16 04:09:38,890 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 706 transitions. Word has length 331 [2023-02-16 04:09:38,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:09:38,891 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 706 transitions. [2023-02-16 04:09:38,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 6.947368421052632) internal successors, (660), 96 states have internal predecessors, (660), 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) [2023-02-16 04:09:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 706 transitions. [2023-02-16 04:09:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2023-02-16 04:09:38,892 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:09:38,892 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:09:38,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-02-16 04:09:39,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-02-16 04:09:39,098 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:09:39,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:09:39,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1620094400, now seen corresponding path program 6 times [2023-02-16 04:09:39,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:09:39,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030721277] [2023-02-16 04:09:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:09:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:09:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:09:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13734 backedges. 0 proven. 13734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:45,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:09:45,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030721277] [2023-02-16 04:09:45,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030721277] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:09:45,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896795081] [2023-02-16 04:09:45,444 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:09:45,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:09:45,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:09:45,445 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:09:45,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-02-16 04:09:46,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2023-02-16 04:09:46,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:09:46,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 130 conjunts are in the unsatisfiable core [2023-02-16 04:09:46,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:09:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13734 backedges. 0 proven. 13734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:09:54,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:10:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 13734 backedges. 0 proven. 13734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:10:08,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896795081] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:10:08,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:10:08,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130, 130] total 388 [2023-02-16 04:10:08,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712268691] [2023-02-16 04:10:08,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:10:08,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 389 states [2023-02-16 04:10:08,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:10:08,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 389 interpolants. [2023-02-16 04:10:08,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20889, Invalid=130043, Unknown=0, NotChecked=0, Total=150932 [2023-02-16 04:10:08,849 INFO L87 Difference]: Start difference. First operand 675 states and 706 transitions. Second operand has 389 states, 388 states have (on average 3.461340206185567) internal successors, (1343), 389 states have internal predecessors, (1343), 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) [2023-02-16 04:10:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:10:51,277 INFO L93 Difference]: Finished difference Result 1229 states and 1323 transitions. [2023-02-16 04:10:51,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 446 states. [2023-02-16 04:10:51,278 INFO L78 Accepts]: Start accepts. Automaton has has 389 states, 388 states have (on average 3.461340206185567) internal successors, (1343), 389 states have internal predecessors, (1343), 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 449 [2023-02-16 04:10:51,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:10:51,280 INFO L225 Difference]: With dead ends: 1229 [2023-02-16 04:10:51,280 INFO L226 Difference]: Without dead ends: 971 [2023-02-16 04:10:51,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1407 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 768 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166199 ImplicationChecksByTransitivity, 63.8s TimeCoverageRelationStatistics Valid=109693, Invalid=482437, Unknown=0, NotChecked=0, Total=592130 [2023-02-16 04:10:51,310 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 3274 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-16 04:10:51,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3274 Valid, 794 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-16 04:10:51,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2023-02-16 04:10:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 901. [2023-02-16 04:10:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 897 states have (on average 1.0758082497212933) internal successors, (965), 900 states have internal predecessors, (965), 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) [2023-02-16 04:10:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 965 transitions. [2023-02-16 04:10:51,329 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 965 transitions. Word has length 449 [2023-02-16 04:10:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:10:51,330 INFO L495 AbstractCegarLoop]: Abstraction has 901 states and 965 transitions. [2023-02-16 04:10:51,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 389 states, 388 states have (on average 3.461340206185567) internal successors, (1343), 389 states have internal predecessors, (1343), 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) [2023-02-16 04:10:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 965 transitions. [2023-02-16 04:10:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2023-02-16 04:10:51,333 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:10:51,333 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 1, 1, 1, 1] [2023-02-16 04:10:51,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-02-16 04:10:51,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:10:51,537 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:10:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:10:51,538 INFO L85 PathProgramCache]: Analyzing trace with hash -929613971, now seen corresponding path program 6 times [2023-02-16 04:10:51,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:10:51,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847299047] [2023-02-16 04:10:51,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:10:51,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:10:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:11:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:11:06,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:11:06,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847299047] [2023-02-16 04:11:06,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847299047] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:11:06,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054258962] [2023-02-16 04:11:06,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:11:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:11:06,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:11:06,891 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:11:06,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-02-16 04:11:08,426 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-16 04:11:08,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:11:08,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 192 conjunts are in the unsatisfiable core [2023-02-16 04:11:08,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:11:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:11:09,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:11:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30879 backedges. 0 proven. 30879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:11:29,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054258962] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:11:29,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:11:29,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2023-02-16 04:11:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117288583] [2023-02-16 04:11:29,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:11:29,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2023-02-16 04:11:29,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:11:29,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2023-02-16 04:11:29,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2023-02-16 04:11:29,853 INFO L87 Difference]: Start difference. First operand 901 states and 965 transitions. Second operand has 382 states, 381 states have (on average 3.4803149606299213) internal successors, (1326), 382 states have internal predecessors, (1326), 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) [2023-02-16 04:11:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:11:53,662 INFO L93 Difference]: Finished difference Result 1818 states and 1913 transitions. [2023-02-16 04:11:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2023-02-16 04:11:53,662 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 3.4803149606299213) internal successors, (1326), 382 states have internal predecessors, (1326), 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 664 [2023-02-16 04:11:53,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:11:53,666 INFO L225 Difference]: With dead ends: 1818 [2023-02-16 04:11:53,666 INFO L226 Difference]: Without dead ends: 1817 [2023-02-16 04:11:53,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1707 GetRequests, 1137 SyntacticMatches, 0 SemanticMatches, 570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71254 ImplicationChecksByTransitivity, 41.5s TimeCoverageRelationStatistics Valid=91296, Invalid=235316, Unknown=0, NotChecked=0, Total=326612 [2023-02-16 04:11:53,678 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3226 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-16 04:11:53,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 1138 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-16 04:11:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2023-02-16 04:11:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1344. [2023-02-16 04:11:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 1340 states have (on average 1.1679104477611941) internal successors, (1565), 1343 states have internal predecessors, (1565), 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) [2023-02-16 04:11:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1565 transitions. [2023-02-16 04:11:53,705 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1565 transitions. Word has length 664 [2023-02-16 04:11:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:11:53,706 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1565 transitions. [2023-02-16 04:11:53,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 3.4803149606299213) internal successors, (1326), 382 states have internal predecessors, (1326), 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) [2023-02-16 04:11:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1565 transitions. [2023-02-16 04:11:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2023-02-16 04:11:53,709 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:11:53,709 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 94, 94, 1, 1, 1, 1] [2023-02-16 04:11:53,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-02-16 04:11:53,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:11:53,916 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:11:53,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:11:53,917 INFO L85 PathProgramCache]: Analyzing trace with hash -180633751, now seen corresponding path program 6 times [2023-02-16 04:11:53,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:11:53,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955700396] [2023-02-16 04:11:53,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:11:53,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:11:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:11:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 31161 backedges. 0 proven. 31161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:11:59,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:11:59,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955700396] [2023-02-16 04:11:59,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955700396] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 04:11:59,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952155016] [2023-02-16 04:11:59,316 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-16 04:11:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 04:11:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:11:59,318 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 04:11:59,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-02-16 04:12:01,173 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-02-16 04:12:01,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 04:12:01,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 96 conjunts are in the unsatisfiable core [2023-02-16 04:12:01,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:12:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 31161 backedges. 0 proven. 31161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:12:01,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 04:12:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 31161 backedges. 0 proven. 31161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:12:09,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952155016] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 04:12:09,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 04:12:09,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-02-16 04:12:09,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159264944] [2023-02-16 04:12:09,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 04:12:09,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-02-16 04:12:09,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:12:09,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-02-16 04:12:09,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-16 04:12:09,985 INFO L87 Difference]: Start difference. First operand 1344 states and 1565 transitions. Second operand has 192 states, 191 states have (on average 6.973821989528796) internal successors, (1332), 192 states have internal predecessors, (1332), 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) [2023-02-16 04:12:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:12:11,262 INFO L93 Difference]: Finished difference Result 1727 states and 1822 transitions. [2023-02-16 04:12:11,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-02-16 04:12:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 6.973821989528796) internal successors, (1332), 192 states have internal predecessors, (1332), 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 667 [2023-02-16 04:12:11,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:12:11,268 INFO L225 Difference]: With dead ends: 1727 [2023-02-16 04:12:11,269 INFO L226 Difference]: Without dead ends: 1726 [2023-02-16 04:12:11,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1428 GetRequests, 1238 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-02-16 04:12:11,272 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1260 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:12:11,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 1383 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:12:11,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2023-02-16 04:12:11,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1347. [2023-02-16 04:12:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 1343 states have (on average 1.0975428145941921) internal successors, (1474), 1346 states have internal predecessors, (1474), 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) [2023-02-16 04:12:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1474 transitions. [2023-02-16 04:12:11,301 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1474 transitions. Word has length 667 [2023-02-16 04:12:11,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:12:11,301 INFO L495 AbstractCegarLoop]: Abstraction has 1347 states and 1474 transitions. [2023-02-16 04:12:11,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 6.973821989528796) internal successors, (1332), 192 states have internal predecessors, (1332), 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) [2023-02-16 04:12:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1474 transitions. [2023-02-16 04:12:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2023-02-16 04:12:11,306 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:12:11,306 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 126, 126, 126, 1, 1, 1, 1] [2023-02-16 04:12:11,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-02-16 04:12:11,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-02-16 04:12:11,517 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-16 04:12:11,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:12:11,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1159320239, now seen corresponding path program 6 times [2023-02-16 04:12:11,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:12:11,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22154264] [2023-02-16 04:12:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:12:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:12:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat