./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 35987657 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/termination-numeric/Parts.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 00:38:24,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 00:38:24,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 00:38:24,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 00:38:24,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 00:38:24,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 00:38:24,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 00:38:24,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 00:38:24,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 00:38:24,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 00:38:24,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 00:38:24,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 00:38:24,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 00:38:24,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 00:38:24,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 00:38:24,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 00:38:24,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 00:38:24,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 00:38:24,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 00:38:24,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 00:38:24,299 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 00:38:24,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 00:38:24,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 00:38:24,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 00:38:24,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 00:38:24,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 00:38:24,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 00:38:24,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 00:38:24,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 00:38:24,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 00:38:24,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 00:38:24,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 00:38:24,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 00:38:24,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 00:38:24,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 00:38:24,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 00:38:24,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 00:38:24,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 00:38:24,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 00:38:24,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 00:38:24,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 00:38:24,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 00:38:24,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-22 00:38:24,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 00:38:24,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 00:38:24,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 00:38:24,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 00:38:24,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 00:38:24,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 00:38:24,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 00:38:24,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 00:38:24,365 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 00:38:24,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 00:38:24,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 00:38:24,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 00:38:24,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 00:38:24,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 00:38:24,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 00:38:24,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 00:38:24,367 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-22 00:38:24,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 00:38:24,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 00:38:24,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 00:38:24,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 00:38:24,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 00:38:24,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 00:38:24,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:38:24,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 00:38:24,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 00:38:24,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 00:38:24,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 00:38:24,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 00:38:24,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 00:38:24,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2022-07-22 00:38:24,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 00:38:24,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 00:38:24,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 00:38:24,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 00:38:24,703 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 00:38:24,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2022-07-22 00:38:24,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea968089/40d94fa2aecf43c48deb99394b4aa51f/FLAG1b81bdefe [2022-07-22 00:38:25,159 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 00:38:25,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2022-07-22 00:38:25,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea968089/40d94fa2aecf43c48deb99394b4aa51f/FLAG1b81bdefe [2022-07-22 00:38:25,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea968089/40d94fa2aecf43c48deb99394b4aa51f [2022-07-22 00:38:25,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 00:38:25,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 00:38:25,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 00:38:25,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 00:38:25,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 00:38:25,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16624d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25, skipping insertion in model container [2022-07-22 00:38:25,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 00:38:25,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 00:38:25,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 00:38:25,741 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 00:38:25,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 00:38:25,761 INFO L208 MainTranslator]: Completed translation [2022-07-22 00:38:25,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25 WrapperNode [2022-07-22 00:38:25,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 00:38:25,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 00:38:25,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 00:38:25,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 00:38:25,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,783 INFO L137 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2022-07-22 00:38:25,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 00:38:25,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 00:38:25,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 00:38:25,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 00:38:25,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 00:38:25,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 00:38:25,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 00:38:25,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 00:38:25,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (1/1) ... [2022-07-22 00:38:25,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 00:38:25,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:25,872 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) [2022-07-22 00:38:25,898 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 [2022-07-22 00:38:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2022-07-22 00:38:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2022-07-22 00:38:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 00:38:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 00:38:25,955 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 00:38:25,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 00:38:26,134 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 00:38:26,140 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 00:38:26,140 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 00:38:26,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:38:26 BoogieIcfgContainer [2022-07-22 00:38:26,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 00:38:26,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 00:38:26,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 00:38:26,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 00:38:26,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:38:25" (1/3) ... [2022-07-22 00:38:26,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e99477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:38:26, skipping insertion in model container [2022-07-22 00:38:26,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:38:25" (2/3) ... [2022-07-22 00:38:26,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e99477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:38:26, skipping insertion in model container [2022-07-22 00:38:26,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:38:26" (3/3) ... [2022-07-22 00:38:26,148 INFO L111 eAbstractionObserver]: Analyzing ICFG Parts.c [2022-07-22 00:38:26,159 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 00:38:26,175 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-07-22 00:38:26,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 00:38:26,236 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1a3949d5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3c2ae6b6 [2022-07-22 00:38:26,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-07-22 00:38:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 39 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-07-22 00:38:26,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:26,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:26,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:26,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash -602953989, now seen corresponding path program 1 times [2022-07-22 00:38:26,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:26,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862709282] [2022-07-22 00:38:26,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:26,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:26,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:26,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862709282] [2022-07-22 00:38:26,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862709282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:26,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:26,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 00:38:26,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542053035] [2022-07-22 00:38:26,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:26,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 00:38:26,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:26,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 00:38:26,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 00:38:26,437 INFO L87 Difference]: Start difference. First operand has 45 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 39 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:38:26,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:26,466 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-07-22 00:38:26,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 00:38:26,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-07-22 00:38:26,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:26,478 INFO L225 Difference]: With dead ends: 86 [2022-07-22 00:38:26,479 INFO L226 Difference]: Without dead ends: 42 [2022-07-22 00:38:26,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 00:38:26,486 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:26,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-07-22 00:38:26,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-07-22 00:38:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 36 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2022-07-22 00:38:26,530 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 8 [2022-07-22 00:38:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:26,531 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2022-07-22 00:38:26,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:38:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-07-22 00:38:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-07-22 00:38:26,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:26,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:26,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 00:38:26,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:26,535 INFO L85 PathProgramCache]: Analyzing trace with hash -602965521, now seen corresponding path program 1 times [2022-07-22 00:38:26,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:26,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231650503] [2022-07-22 00:38:26,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:26,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:26,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:26,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231650503] [2022-07-22 00:38:26,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231650503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:26,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:26,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 00:38:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240767864] [2022-07-22 00:38:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:26,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:38:26,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:26,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:38:26,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:38:26,613 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 4 states, 4 states have (on average 2.0) 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) [2022-07-22 00:38:26,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:26,673 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2022-07-22 00:38:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 00:38:26,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) 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 [2022-07-22 00:38:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:26,676 INFO L225 Difference]: With dead ends: 81 [2022-07-22 00:38:26,676 INFO L226 Difference]: Without dead ends: 43 [2022-07-22 00:38:26,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:26,681 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 21 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:26,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 111 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-07-22 00:38:26,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-07-22 00:38:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.5) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-07-22 00:38:26,694 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 8 [2022-07-22 00:38:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:26,695 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-07-22 00:38:26,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) 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) [2022-07-22 00:38:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-07-22 00:38:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 00:38:26,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:26,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:26,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 00:38:26,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:26,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:26,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1944725597, now seen corresponding path program 1 times [2022-07-22 00:38:26,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:26,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043054799] [2022-07-22 00:38:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:26,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:26,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:26,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043054799] [2022-07-22 00:38:26,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043054799] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:26,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:26,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 00:38:26,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018717366] [2022-07-22 00:38:26,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:26,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:38:26,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:26,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:38:26,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:26,786 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:38:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:26,859 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2022-07-22 00:38:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:38:26,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-22 00:38:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:26,862 INFO L225 Difference]: With dead ends: 103 [2022-07-22 00:38:26,862 INFO L226 Difference]: Without dead ends: 64 [2022-07-22 00:38:26,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:38:26,864 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 17 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:26,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 150 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:26,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-07-22 00:38:26,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2022-07-22 00:38:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-22 00:38:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2022-07-22 00:38:26,883 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 12 [2022-07-22 00:38:26,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:26,883 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2022-07-22 00:38:26,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 00:38:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-07-22 00:38:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-22 00:38:26,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:26,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:26,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 00:38:26,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash 565418330, now seen corresponding path program 1 times [2022-07-22 00:38:26,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:26,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135734535] [2022-07-22 00:38:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:26,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135734535] [2022-07-22 00:38:26,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135734535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:26,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:26,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 00:38:26,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794660080] [2022-07-22 00:38:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:26,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:38:26,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:38:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:38:26,936 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:26,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:26,963 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2022-07-22 00:38:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:38:26,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-07-22 00:38:26,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:26,965 INFO L225 Difference]: With dead ends: 67 [2022-07-22 00:38:26,965 INFO L226 Difference]: Without dead ends: 66 [2022-07-22 00:38:26,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:26,966 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 5 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:26,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 129 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:26,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-07-22 00:38:26,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2022-07-22 00:38:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 53 states have internal predecessors, (61), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 00:38:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2022-07-22 00:38:26,976 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 14 [2022-07-22 00:38:26,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:26,977 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2022-07-22 00:38:26,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-07-22 00:38:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-22 00:38:26,978 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:26,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:26,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 00:38:26,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:26,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:26,979 INFO L85 PathProgramCache]: Analyzing trace with hash 348099144, now seen corresponding path program 1 times [2022-07-22 00:38:26,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:26,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474696792] [2022-07-22 00:38:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:26,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:27,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:27,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474696792] [2022-07-22 00:38:27,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474696792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:27,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:27,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 00:38:27,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336396306] [2022-07-22 00:38:27,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:27,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:38:27,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:27,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:38:27,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:38:27,020 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:27,040 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2022-07-22 00:38:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 00:38:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-22 00:38:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:27,042 INFO L225 Difference]: With dead ends: 63 [2022-07-22 00:38:27,042 INFO L226 Difference]: Without dead ends: 62 [2022-07-22 00:38:27,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:27,043 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 116 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 [2022-07-22 00:38:27,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 116 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:27,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-07-22 00:38:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-07-22 00:38:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 52 states have internal predecessors, (59), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 00:38:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2022-07-22 00:38:27,059 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 15 [2022-07-22 00:38:27,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:27,059 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2022-07-22 00:38:27,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2022-07-22 00:38:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-22 00:38:27,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:27,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:27,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 00:38:27,064 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:27,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2124333102, now seen corresponding path program 1 times [2022-07-22 00:38:27,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:27,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911886419] [2022-07-22 00:38:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 00:38:27,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:27,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911886419] [2022-07-22 00:38:27,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911886419] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:27,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:27,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 00:38:27,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889744679] [2022-07-22 00:38:27,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:27,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:38:27,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:38:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:38:27,111 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:27,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:27,139 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2022-07-22 00:38:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:38:27,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-07-22 00:38:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:27,141 INFO L225 Difference]: With dead ends: 68 [2022-07-22 00:38:27,141 INFO L226 Difference]: Without dead ends: 67 [2022-07-22 00:38:27,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:27,142 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:27,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 127 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:27,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-22 00:38:27,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2022-07-22 00:38:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.326086956521739) internal successors, (61), 54 states have internal predecessors, (61), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 00:38:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2022-07-22 00:38:27,150 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 18 [2022-07-22 00:38:27,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:27,150 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2022-07-22 00:38:27,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2022-07-22 00:38:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-22 00:38:27,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:27,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:27,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 00:38:27,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:27,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:27,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1429816616, now seen corresponding path program 1 times [2022-07-22 00:38:27,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:27,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547093404] [2022-07-22 00:38:27,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:27,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 00:38:27,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:27,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547093404] [2022-07-22 00:38:27,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547093404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:27,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:27,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 00:38:27,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356972304] [2022-07-22 00:38:27,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:27,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 00:38:27,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 00:38:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 00:38:27,190 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:27,207 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2022-07-22 00:38:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 00:38:27,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-07-22 00:38:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:27,208 INFO L225 Difference]: With dead ends: 64 [2022-07-22 00:38:27,208 INFO L226 Difference]: Without dead ends: 63 [2022-07-22 00:38:27,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:27,209 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 5 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:27,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 113 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:27,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-22 00:38:27,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-22 00:38:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 53 states have internal predecessors, (60), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 00:38:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2022-07-22 00:38:27,216 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 19 [2022-07-22 00:38:27,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:27,216 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2022-07-22 00:38:27,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-07-22 00:38:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-22 00:38:27,217 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:27,217 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:27,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 00:38:27,218 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:27,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:27,218 INFO L85 PathProgramCache]: Analyzing trace with hash -637261571, now seen corresponding path program 1 times [2022-07-22 00:38:27,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:27,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766560307] [2022-07-22 00:38:27,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:27,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 00:38:27,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:27,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766560307] [2022-07-22 00:38:27,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766560307] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:27,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540139951] [2022-07-22 00:38:27,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:27,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:27,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:27,275 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) [2022-07-22 00:38:27,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 00:38:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 00:38:27,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 00:38:27,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 00:38:27,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540139951] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:27,455 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:27,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-07-22 00:38:27,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491965356] [2022-07-22 00:38:27,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:27,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 00:38:27,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 00:38:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-22 00:38:27,458 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:27,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:27,550 INFO L93 Difference]: Finished difference Result 123 states and 151 transitions. [2022-07-22 00:38:27,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 00:38:27,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 24 [2022-07-22 00:38:27,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:27,554 INFO L225 Difference]: With dead ends: 123 [2022-07-22 00:38:27,554 INFO L226 Difference]: Without dead ends: 122 [2022-07-22 00:38:27,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:38:27,555 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 36 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:27,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 258 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:27,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-07-22 00:38:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 99. [2022-07-22 00:38:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.263157894736842) internal successors, (96), 83 states have internal predecessors, (96), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 00:38:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 122 transitions. [2022-07-22 00:38:27,573 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 122 transitions. Word has length 24 [2022-07-22 00:38:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:27,574 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 122 transitions. [2022-07-22 00:38:27,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2022-07-22 00:38:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-22 00:38:27,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:27,575 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:27,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 00:38:27,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:27,793 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:27,793 INFO L85 PathProgramCache]: Analyzing trace with hash 21903950, now seen corresponding path program 1 times [2022-07-22 00:38:27,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:27,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466929799] [2022-07-22 00:38:27,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:27,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:27,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:27,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466929799] [2022-07-22 00:38:27,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466929799] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:27,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718304813] [2022-07-22 00:38:27,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:27,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:27,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:27,890 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) [2022-07-22 00:38:27,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 00:38:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:27,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 00:38:27,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:28,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 00:38:28,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718304813] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:28,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:28,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2022-07-22 00:38:28,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350179702] [2022-07-22 00:38:28,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 00:38:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 00:38:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:38:28,144 INFO L87 Difference]: Start difference. First operand 99 states and 122 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 00:38:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:28,279 INFO L93 Difference]: Finished difference Result 164 states and 200 transitions. [2022-07-22 00:38:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 00:38:28,280 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-07-22 00:38:28,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:28,282 INFO L225 Difference]: With dead ends: 164 [2022-07-22 00:38:28,282 INFO L226 Difference]: Without dead ends: 101 [2022-07-22 00:38:28,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-07-22 00:38:28,289 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 27 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:28,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 308 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:28,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-22 00:38:28,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2022-07-22 00:38:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.25) internal successors, (95), 83 states have internal predecessors, (95), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 00:38:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2022-07-22 00:38:28,320 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 27 [2022-07-22 00:38:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:28,322 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2022-07-22 00:38:28,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 00:38:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2022-07-22 00:38:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 00:38:28,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:28,324 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:28,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-22 00:38:28,539 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,SelfDestructingSolverStorable8 [2022-07-22 00:38:28,540 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:28,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:28,541 INFO L85 PathProgramCache]: Analyzing trace with hash -19567733, now seen corresponding path program 2 times [2022-07-22 00:38:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:28,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851280014] [2022-07-22 00:38:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:28,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-22 00:38:28,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:28,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851280014] [2022-07-22 00:38:28,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851280014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:28,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:28,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 00:38:28,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941457136] [2022-07-22 00:38:28,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:28,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:38:28,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:28,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:38:28,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:28,612 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:28,657 INFO L93 Difference]: Finished difference Result 169 states and 212 transitions. [2022-07-22 00:38:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:38:28,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-07-22 00:38:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:28,659 INFO L225 Difference]: With dead ends: 169 [2022-07-22 00:38:28,659 INFO L226 Difference]: Without dead ends: 110 [2022-07-22 00:38:28,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:38:28,660 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 12 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:28,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 159 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:28,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-07-22 00:38:28,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2022-07-22 00:38:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 83 states have (on average 1.2409638554216869) internal successors, (103), 90 states have internal predecessors, (103), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 00:38:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 129 transitions. [2022-07-22 00:38:28,670 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 129 transitions. Word has length 37 [2022-07-22 00:38:28,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:28,670 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 129 transitions. [2022-07-22 00:38:28,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2022-07-22 00:38:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-22 00:38:28,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:28,671 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:28,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 00:38:28,672 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:28,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:28,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1293096832, now seen corresponding path program 1 times [2022-07-22 00:38:28,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:28,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071902901] [2022-07-22 00:38:28,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 00:38:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:28,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071902901] [2022-07-22 00:38:28,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071902901] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:28,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888809695] [2022-07-22 00:38:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:28,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:28,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:28,754 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) [2022-07-22 00:38:28,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 00:38:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:28,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 00:38:28,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-22 00:38:28,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:38:28,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888809695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:28,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:38:28,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-22 00:38:28,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935308429] [2022-07-22 00:38:28,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:28,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 00:38:28,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:28,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 00:38:28,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:38:28,906 INFO L87 Difference]: Start difference. First operand 108 states and 129 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 00:38:29,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:29,029 INFO L93 Difference]: Finished difference Result 184 states and 224 transitions. [2022-07-22 00:38:29,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 00:38:29,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2022-07-22 00:38:29,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:29,031 INFO L225 Difference]: With dead ends: 184 [2022-07-22 00:38:29,031 INFO L226 Difference]: Without dead ends: 118 [2022-07-22 00:38:29,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-22 00:38:29,032 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 48 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:29,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 161 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-07-22 00:38:29,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2022-07-22 00:38:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 94 states have internal predecessors, (109), 13 states have call successors, (13), 4 states have call predecessors, (13), 5 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2022-07-22 00:38:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 138 transitions. [2022-07-22 00:38:29,043 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 138 transitions. Word has length 43 [2022-07-22 00:38:29,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:29,043 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 138 transitions. [2022-07-22 00:38:29,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 00:38:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2022-07-22 00:38:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-22 00:38:29,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:29,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:29,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-22 00:38:29,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:29,267 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:29,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:29,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1218630964, now seen corresponding path program 1 times [2022-07-22 00:38:29,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:29,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489497344] [2022-07-22 00:38:29,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:29,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 00:38:29,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:29,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489497344] [2022-07-22 00:38:29,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489497344] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:29,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172319706] [2022-07-22 00:38:29,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:29,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:29,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:29,364 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) [2022-07-22 00:38:29,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 00:38:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:29,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 00:38:29,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 00:38:29,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 00:38:29,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172319706] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:29,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:29,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-22 00:38:29,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112227254] [2022-07-22 00:38:29,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:29,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 00:38:29,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:29,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 00:38:29,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-07-22 00:38:29,549 INFO L87 Difference]: Start difference. First operand 114 states and 138 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:29,733 INFO L93 Difference]: Finished difference Result 184 states and 225 transitions. [2022-07-22 00:38:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 00:38:29,734 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2022-07-22 00:38:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:29,735 INFO L225 Difference]: With dead ends: 184 [2022-07-22 00:38:29,735 INFO L226 Difference]: Without dead ends: 114 [2022-07-22 00:38:29,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2022-07-22 00:38:29,736 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 33 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:29,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 278 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-07-22 00:38:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-07-22 00:38:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 94 states have internal predecessors, (108), 13 states have call successors, (13), 4 states have call predecessors, (13), 5 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2022-07-22 00:38:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 137 transitions. [2022-07-22 00:38:29,750 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 137 transitions. Word has length 44 [2022-07-22 00:38:29,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:29,751 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 137 transitions. [2022-07-22 00:38:29,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 137 transitions. [2022-07-22 00:38:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 00:38:29,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:29,752 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:29,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:29,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:29,967 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:29,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:29,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1696880930, now seen corresponding path program 1 times [2022-07-22 00:38:29,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:29,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354314183] [2022-07-22 00:38:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:29,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:38:30,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:30,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354314183] [2022-07-22 00:38:30,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354314183] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:30,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065668645] [2022-07-22 00:38:30,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:30,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:30,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:30,043 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) [2022-07-22 00:38:30,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 00:38:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 00:38:30,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:38:30,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-22 00:38:30,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065668645] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:30,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:30,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-07-22 00:38:30,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090535254] [2022-07-22 00:38:30,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:30,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 00:38:30,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:30,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 00:38:30,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:38:30,269 INFO L87 Difference]: Start difference. First operand 114 states and 137 transitions. Second operand has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:30,598 INFO L93 Difference]: Finished difference Result 197 states and 260 transitions. [2022-07-22 00:38:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 00:38:30,599 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2022-07-22 00:38:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:30,601 INFO L225 Difference]: With dead ends: 197 [2022-07-22 00:38:30,601 INFO L226 Difference]: Without dead ends: 195 [2022-07-22 00:38:30,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-07-22 00:38:30,602 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 164 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:30,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 206 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:38:30,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-22 00:38:30,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 173. [2022-07-22 00:38:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 141 states have internal predecessors, (169), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-22 00:38:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 217 transitions. [2022-07-22 00:38:30,618 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 217 transitions. Word has length 48 [2022-07-22 00:38:30,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:30,619 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 217 transitions. [2022-07-22 00:38:30,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 13 states have internal predecessors, (55), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 00:38:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2022-07-22 00:38:30,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-22 00:38:30,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:30,620 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:30,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:30,848 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,SelfDestructingSolverStorable12 [2022-07-22 00:38:30,848 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:30,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1063701326, now seen corresponding path program 1 times [2022-07-22 00:38:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:30,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067522340] [2022-07-22 00:38:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-22 00:38:30,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:30,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067522340] [2022-07-22 00:38:30,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067522340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:30,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:30,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 00:38:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435708404] [2022-07-22 00:38:30,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:30,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 00:38:30,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:30,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 00:38:30,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:38:30,905 INFO L87 Difference]: Start difference. First operand 173 states and 217 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:30,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:30,933 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2022-07-22 00:38:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 00:38:30,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-07-22 00:38:30,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:30,937 INFO L225 Difference]: With dead ends: 181 [2022-07-22 00:38:30,937 INFO L226 Difference]: Without dead ends: 180 [2022-07-22 00:38:30,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 00:38:30,938 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:30,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 63 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:30,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-07-22 00:38:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2022-07-22 00:38:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 137 states have (on average 1.218978102189781) internal successors, (167), 140 states have internal predecessors, (167), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-22 00:38:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 215 transitions. [2022-07-22 00:38:30,957 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 215 transitions. Word has length 49 [2022-07-22 00:38:30,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:30,958 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 215 transitions. [2022-07-22 00:38:30,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 00:38:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 215 transitions. [2022-07-22 00:38:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-22 00:38:30,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:30,962 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:30,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 00:38:30,962 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:30,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:30,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2029586074, now seen corresponding path program 2 times [2022-07-22 00:38:30,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:30,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410820701] [2022-07-22 00:38:30,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:30,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:38:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 00:38:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 00:38:31,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:31,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410820701] [2022-07-22 00:38:31,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410820701] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:31,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991203587] [2022-07-22 00:38:31,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:31,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:31,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:31,073 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) [2022-07-22 00:38:31,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 00:38:31,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:31,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:31,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 00:38:31,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 00:38:31,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 00:38:31,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991203587] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:31,335 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:31,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2022-07-22 00:38:31,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184089894] [2022-07-22 00:38:31,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:31,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-22 00:38:31,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:31,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-22 00:38:31,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2022-07-22 00:38:31,337 INFO L87 Difference]: Start difference. First operand 172 states and 215 transitions. Second operand has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 22 states have internal predecessors, (57), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-22 00:38:31,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:31,535 INFO L93 Difference]: Finished difference Result 356 states and 452 transitions. [2022-07-22 00:38:31,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-22 00:38:31,536 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 22 states have internal predecessors, (57), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 54 [2022-07-22 00:38:31,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:31,539 INFO L225 Difference]: With dead ends: 356 [2022-07-22 00:38:31,539 INFO L226 Difference]: Without dead ends: 355 [2022-07-22 00:38:31,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2022-07-22 00:38:31,541 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 149 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:31,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 370 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:31,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-07-22 00:38:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 280. [2022-07-22 00:38:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 227 states have (on average 1.2114537444933922) internal successors, (275), 230 states have internal predecessors, (275), 39 states have call successors, (39), 6 states have call predecessors, (39), 8 states have return successors, (45), 43 states have call predecessors, (45), 39 states have call successors, (45) [2022-07-22 00:38:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2022-07-22 00:38:31,564 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 54 [2022-07-22 00:38:31,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:31,564 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2022-07-22 00:38:31,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 22 states have internal predecessors, (57), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-22 00:38:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2022-07-22 00:38:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 00:38:31,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:31,565 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:31,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:31,782 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,SelfDestructingSolverStorable14 [2022-07-22 00:38:31,783 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1963933763, now seen corresponding path program 2 times [2022-07-22 00:38:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:31,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441693852] [2022-07-22 00:38:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 00:38:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 00:38:31,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:31,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441693852] [2022-07-22 00:38:31,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441693852] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:31,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458354497] [2022-07-22 00:38:31,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:31,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:31,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:31,854 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) [2022-07-22 00:38:31,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 00:38:31,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:31,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:31,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 00:38:31,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 00:38:31,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 39 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 00:38:32,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458354497] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:32,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:32,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2022-07-22 00:38:32,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026317155] [2022-07-22 00:38:32,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:32,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-22 00:38:32,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:32,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-22 00:38:32,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-07-22 00:38:32,082 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-22 00:38:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:32,638 INFO L93 Difference]: Finished difference Result 431 states and 554 transitions. [2022-07-22 00:38:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-07-22 00:38:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 55 [2022-07-22 00:38:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:32,641 INFO L225 Difference]: With dead ends: 431 [2022-07-22 00:38:32,641 INFO L226 Difference]: Without dead ends: 429 [2022-07-22 00:38:32,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=627, Invalid=2235, Unknown=0, NotChecked=0, Total=2862 [2022-07-22 00:38:32,643 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 125 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:32,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 408 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:38:32,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-07-22 00:38:32,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 175. [2022-07-22 00:38:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 141 states have (on average 1.2056737588652482) internal successors, (170), 143 states have internal predecessors, (170), 21 states have call successors, (21), 6 states have call predecessors, (21), 8 states have return successors, (27), 25 states have call predecessors, (27), 21 states have call successors, (27) [2022-07-22 00:38:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2022-07-22 00:38:32,659 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 55 [2022-07-22 00:38:32,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:32,659 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2022-07-22 00:38:32,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-22 00:38:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2022-07-22 00:38:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-22 00:38:32,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:32,661 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:32,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:32,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:32,882 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:32,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1328814042, now seen corresponding path program 1 times [2022-07-22 00:38:32,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:32,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475497572] [2022-07-22 00:38:32,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-22 00:38:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-22 00:38:32,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:32,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475497572] [2022-07-22 00:38:32,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475497572] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:32,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650034059] [2022-07-22 00:38:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:32,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:32,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:32,954 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) [2022-07-22 00:38:32,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 00:38:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 00:38:33,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-07-22 00:38:33,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 00:38:33,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650034059] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:33,114 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:33,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2022-07-22 00:38:33,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868585059] [2022-07-22 00:38:33,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:33,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 00:38:33,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:33,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 00:38:33,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:38:33,116 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 12 states have internal predecessors, (69), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-07-22 00:38:33,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:33,581 INFO L93 Difference]: Finished difference Result 362 states and 491 transitions. [2022-07-22 00:38:33,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 00:38:33,582 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 12 states have internal predecessors, (69), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 61 [2022-07-22 00:38:33,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:33,584 INFO L225 Difference]: With dead ends: 362 [2022-07-22 00:38:33,584 INFO L226 Difference]: Without dead ends: 277 [2022-07-22 00:38:33,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2022-07-22 00:38:33,586 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 205 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:33,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 210 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:38:33,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-07-22 00:38:33,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2022-07-22 00:38:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.2275132275132274) internal successors, (232), 193 states have internal predecessors, (232), 29 states have call successors, (29), 10 states have call predecessors, (29), 13 states have return successors, (36), 32 states have call predecessors, (36), 29 states have call successors, (36) [2022-07-22 00:38:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 297 transitions. [2022-07-22 00:38:33,607 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 297 transitions. Word has length 61 [2022-07-22 00:38:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:33,607 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 297 transitions. [2022-07-22 00:38:33,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 12 states have internal predecessors, (69), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-07-22 00:38:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 297 transitions. [2022-07-22 00:38:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-22 00:38:33,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:33,609 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:33,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:33,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-22 00:38:33,826 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1961639078, now seen corresponding path program 1 times [2022-07-22 00:38:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:33,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725361850] [2022-07-22 00:38:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 00:38:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:38:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-22 00:38:33,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:33,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725361850] [2022-07-22 00:38:33,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725361850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:33,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:33,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 00:38:33,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713626451] [2022-07-22 00:38:33,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:33,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:38:33,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:33,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:38:33,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:33,871 INFO L87 Difference]: Start difference. First operand 236 states and 297 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 00:38:33,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:33,912 INFO L93 Difference]: Finished difference Result 331 states and 457 transitions. [2022-07-22 00:38:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 00:38:33,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2022-07-22 00:38:33,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:33,917 INFO L225 Difference]: With dead ends: 331 [2022-07-22 00:38:33,917 INFO L226 Difference]: Without dead ends: 330 [2022-07-22 00:38:33,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 00:38:33,918 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:33,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 147 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:33,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-07-22 00:38:33,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 288. [2022-07-22 00:38:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 229 states have (on average 1.2008733624454149) internal successors, (275), 231 states have internal predecessors, (275), 34 states have call successors, (34), 10 states have call predecessors, (34), 20 states have return successors, (76), 46 states have call predecessors, (76), 34 states have call successors, (76) [2022-07-22 00:38:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 385 transitions. [2022-07-22 00:38:33,935 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 385 transitions. Word has length 64 [2022-07-22 00:38:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:33,935 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 385 transitions. [2022-07-22 00:38:33,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 00:38:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 385 transitions. [2022-07-22 00:38:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-22 00:38:33,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:33,937 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:33,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 00:38:33,937 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:33,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:33,938 INFO L85 PathProgramCache]: Analyzing trace with hash -681269214, now seen corresponding path program 1 times [2022-07-22 00:38:33,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:33,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175623831] [2022-07-22 00:38:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 00:38:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:38:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-22 00:38:34,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:34,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175623831] [2022-07-22 00:38:34,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175623831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:34,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 00:38:34,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 00:38:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750573122] [2022-07-22 00:38:34,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:34,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:38:34,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:34,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:38:34,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 00:38:34,016 INFO L87 Difference]: Start difference. First operand 288 states and 385 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 00:38:34,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:34,073 INFO L93 Difference]: Finished difference Result 451 states and 647 transitions. [2022-07-22 00:38:34,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:38:34,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2022-07-22 00:38:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:34,076 INFO L225 Difference]: With dead ends: 451 [2022-07-22 00:38:34,076 INFO L226 Difference]: Without dead ends: 261 [2022-07-22 00:38:34,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:38:34,078 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:34,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 96 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:34,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-07-22 00:38:34,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-07-22 00:38:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 205 states have (on average 1.1853658536585365) internal successors, (243), 213 states have internal predecessors, (243), 34 states have call successors, (34), 10 states have call predecessors, (34), 17 states have return successors, (59), 37 states have call predecessors, (59), 34 states have call successors, (59) [2022-07-22 00:38:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 336 transitions. [2022-07-22 00:38:34,096 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 336 transitions. Word has length 65 [2022-07-22 00:38:34,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:34,096 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 336 transitions. [2022-07-22 00:38:34,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 00:38:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 336 transitions. [2022-07-22 00:38:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-22 00:38:34,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:34,098 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:34,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 00:38:34,098 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:34,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:34,099 INFO L85 PathProgramCache]: Analyzing trace with hash 505993054, now seen corresponding path program 2 times [2022-07-22 00:38:34,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:34,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224950266] [2022-07-22 00:38:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 00:38:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:38:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-22 00:38:34,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224950266] [2022-07-22 00:38:34,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224950266] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909356837] [2022-07-22 00:38:34,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:34,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:34,163 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) [2022-07-22 00:38:34,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 00:38:34,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:34,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:34,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:38:34,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-22 00:38:34,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:38:34,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909356837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:34,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:38:34,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-07-22 00:38:34,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852999451] [2022-07-22 00:38:34,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:34,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:38:34,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:34,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:38:34,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 00:38:34,245 INFO L87 Difference]: Start difference. First operand 261 states and 336 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 00:38:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:34,274 INFO L93 Difference]: Finished difference Result 280 states and 363 transitions. [2022-07-22 00:38:34,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:38:34,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 66 [2022-07-22 00:38:34,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:34,276 INFO L225 Difference]: With dead ends: 280 [2022-07-22 00:38:34,276 INFO L226 Difference]: Without dead ends: 279 [2022-07-22 00:38:34,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 00:38:34,277 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 106 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 [2022-07-22 00:38:34,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 106 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:34,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-07-22 00:38:34,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2022-07-22 00:38:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 220 states have (on average 1.1954545454545455) internal successors, (263), 223 states have internal predecessors, (263), 34 states have call successors, (34), 10 states have call predecessors, (34), 17 states have return successors, (59), 42 states have call predecessors, (59), 34 states have call successors, (59) [2022-07-22 00:38:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 356 transitions. [2022-07-22 00:38:34,297 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 356 transitions. Word has length 66 [2022-07-22 00:38:34,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:34,297 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 356 transitions. [2022-07-22 00:38:34,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 00:38:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 356 transitions. [2022-07-22 00:38:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-22 00:38:34,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:34,299 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:34,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:34,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:34,513 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:34,514 INFO L85 PathProgramCache]: Analyzing trace with hash 924442603, now seen corresponding path program 1 times [2022-07-22 00:38:34,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:34,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082488557] [2022-07-22 00:38:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 00:38:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-22 00:38:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 00:38:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 73 proven. 43 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-22 00:38:34,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:34,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082488557] [2022-07-22 00:38:34,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082488557] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:34,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916192953] [2022-07-22 00:38:34,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:34,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:34,590 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) [2022-07-22 00:38:34,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-22 00:38:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:34,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 00:38:34,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-22 00:38:34,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:38:34,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916192953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:34,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:38:34,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2022-07-22 00:38:34,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872631297] [2022-07-22 00:38:34,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:34,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 00:38:34,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:34,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 00:38:34,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-22 00:38:34,675 INFO L87 Difference]: Start difference. First operand 276 states and 356 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:38:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:34,794 INFO L93 Difference]: Finished difference Result 545 states and 750 transitions. [2022-07-22 00:38:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 00:38:34,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 101 [2022-07-22 00:38:34,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:34,797 INFO L225 Difference]: With dead ends: 545 [2022-07-22 00:38:34,797 INFO L226 Difference]: Without dead ends: 364 [2022-07-22 00:38:34,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-22 00:38:34,799 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 43 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:34,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 122 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:34,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-07-22 00:38:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 361. [2022-07-22 00:38:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 291 states have (on average 1.2096219931271477) internal successors, (352), 284 states have internal predecessors, (352), 44 states have call successors, (44), 10 states have call predecessors, (44), 21 states have return successors, (102), 66 states have call predecessors, (102), 44 states have call successors, (102) [2022-07-22 00:38:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 498 transitions. [2022-07-22 00:38:34,823 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 498 transitions. Word has length 101 [2022-07-22 00:38:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:34,823 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 498 transitions. [2022-07-22 00:38:34,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-22 00:38:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 498 transitions. [2022-07-22 00:38:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-22 00:38:34,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:34,825 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:34,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:35,039 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,SelfDestructingSolverStorable20 [2022-07-22 00:38:35,040 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:35,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1778803619, now seen corresponding path program 1 times [2022-07-22 00:38:35,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:35,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432925341] [2022-07-22 00:38:35,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:35,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 00:38:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 00:38:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-22 00:38:35,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432925341] [2022-07-22 00:38:35,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432925341] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463051058] [2022-07-22 00:38:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:35,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:35,131 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) [2022-07-22 00:38:35,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-22 00:38:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 00:38:35,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-22 00:38:35,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-22 00:38:35,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463051058] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:35,354 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:35,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 12 [2022-07-22 00:38:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820257846] [2022-07-22 00:38:35,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:35,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 00:38:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 00:38:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-07-22 00:38:35,356 INFO L87 Difference]: Start difference. First operand 361 states and 498 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:38:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:35,544 INFO L93 Difference]: Finished difference Result 608 states and 871 transitions. [2022-07-22 00:38:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 00:38:35,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 85 [2022-07-22 00:38:35,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:35,546 INFO L225 Difference]: With dead ends: 608 [2022-07-22 00:38:35,546 INFO L226 Difference]: Without dead ends: 339 [2022-07-22 00:38:35,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 180 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-07-22 00:38:35,549 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 113 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:35,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 150 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-07-22 00:38:35,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 330. [2022-07-22 00:38:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 266 states have (on average 1.1541353383458646) internal successors, (307), 264 states have internal predecessors, (307), 40 states have call successors, (40), 16 states have call predecessors, (40), 20 states have return successors, (57), 49 states have call predecessors, (57), 40 states have call successors, (57) [2022-07-22 00:38:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 404 transitions. [2022-07-22 00:38:35,567 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 404 transitions. Word has length 85 [2022-07-22 00:38:35,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:35,568 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 404 transitions. [2022-07-22 00:38:35,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 6 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2022-07-22 00:38:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 404 transitions. [2022-07-22 00:38:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-22 00:38:35,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:35,569 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:35,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:35,791 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,SelfDestructingSolverStorable21 [2022-07-22 00:38:35,791 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:35,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:35,792 INFO L85 PathProgramCache]: Analyzing trace with hash 804951081, now seen corresponding path program 2 times [2022-07-22 00:38:35,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:35,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603434652] [2022-07-22 00:38:35,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:35,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 00:38:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 00:38:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 27 proven. 41 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-07-22 00:38:35,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:35,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603434652] [2022-07-22 00:38:35,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603434652] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:35,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184197372] [2022-07-22 00:38:35,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:35,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:35,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:35,888 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) [2022-07-22 00:38:35,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-22 00:38:35,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:35,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:35,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:38:35,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-22 00:38:35,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 00:38:35,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184197372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 00:38:35,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 00:38:35,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 14 [2022-07-22 00:38:35,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038174864] [2022-07-22 00:38:35,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 00:38:35,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 00:38:35,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:35,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 00:38:35,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:38:35,977 INFO L87 Difference]: Start difference. First operand 330 states and 404 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 00:38:36,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:36,020 INFO L93 Difference]: Finished difference Result 331 states and 404 transitions. [2022-07-22 00:38:36,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:38:36,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2022-07-22 00:38:36,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:36,022 INFO L225 Difference]: With dead ends: 331 [2022-07-22 00:38:36,022 INFO L226 Difference]: Without dead ends: 330 [2022-07-22 00:38:36,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:38:36,023 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:36,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 146 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:36,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-07-22 00:38:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 286. [2022-07-22 00:38:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 230 states have (on average 1.1434782608695653) internal successors, (263), 234 states have internal predecessors, (263), 33 states have call successors, (33), 16 states have call predecessors, (33), 19 states have return successors, (44), 35 states have call predecessors, (44), 33 states have call successors, (44) [2022-07-22 00:38:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 340 transitions. [2022-07-22 00:38:36,040 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 340 transitions. Word has length 86 [2022-07-22 00:38:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:36,040 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 340 transitions. [2022-07-22 00:38:36,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 00:38:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 340 transitions. [2022-07-22 00:38:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-22 00:38:36,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:36,042 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:36,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:36,265 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,SelfDestructingSolverStorable22 [2022-07-22 00:38:36,265 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:36,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:36,266 INFO L85 PathProgramCache]: Analyzing trace with hash -793317901, now seen corresponding path program 3 times [2022-07-22 00:38:36,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:36,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039013043] [2022-07-22 00:38:36,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:36,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 00:38:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 00:38:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 00:38:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 00:38:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 40 proven. 55 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-22 00:38:36,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:36,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039013043] [2022-07-22 00:38:36,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039013043] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:36,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377890715] [2022-07-22 00:38:36,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:38:36,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:36,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:36,382 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) [2022-07-22 00:38:36,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-22 00:38:36,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-22 00:38:36,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:36,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 00:38:36,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 159 proven. 32 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-22 00:38:36,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 37 proven. 50 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-22 00:38:36,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377890715] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:36,868 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:36,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 30 [2022-07-22 00:38:36,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029509257] [2022-07-22 00:38:36,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:36,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-07-22 00:38:36,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:36,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-07-22 00:38:36,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2022-07-22 00:38:36,870 INFO L87 Difference]: Start difference. First operand 286 states and 340 transitions. Second operand has 30 states, 30 states have (on average 3.5) internal successors, (105), 28 states have internal predecessors, (105), 13 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) [2022-07-22 00:38:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:37,874 INFO L93 Difference]: Finished difference Result 486 states and 581 transitions. [2022-07-22 00:38:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-22 00:38:37,875 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 28 states have internal predecessors, (105), 13 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) Word has length 116 [2022-07-22 00:38:37,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:37,876 INFO L225 Difference]: With dead ends: 486 [2022-07-22 00:38:37,876 INFO L226 Difference]: Without dead ends: 298 [2022-07-22 00:38:37,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=506, Invalid=3034, Unknown=0, NotChecked=0, Total=3540 [2022-07-22 00:38:37,879 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 246 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:37,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 899 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 00:38:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-07-22 00:38:37,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 283. [2022-07-22 00:38:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 229 states have (on average 1.1266375545851528) internal successors, (258), 232 states have internal predecessors, (258), 31 states have call successors, (31), 16 states have call predecessors, (31), 19 states have return successors, (40), 34 states have call predecessors, (40), 31 states have call successors, (40) [2022-07-22 00:38:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 329 transitions. [2022-07-22 00:38:37,905 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 329 transitions. Word has length 116 [2022-07-22 00:38:37,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:37,905 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 329 transitions. [2022-07-22 00:38:37,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.5) internal successors, (105), 28 states have internal predecessors, (105), 13 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 11 states have call predecessors, (15), 11 states have call successors, (15) [2022-07-22 00:38:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 329 transitions. [2022-07-22 00:38:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-22 00:38:37,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:37,907 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:37,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:38,130 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,SelfDestructingSolverStorable23 [2022-07-22 00:38:38,131 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:38,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash 895586552, now seen corresponding path program 3 times [2022-07-22 00:38:38,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:38,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437996781] [2022-07-22 00:38:38,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:38,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:38:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 00:38:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:38:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 00:38:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 00:38:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 00:38:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 00:38:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 00:38:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-22 00:38:38,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:38,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437996781] [2022-07-22 00:38:38,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437996781] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:38,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298999569] [2022-07-22 00:38:38,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:38:38,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:38,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:38,385 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) [2022-07-22 00:38:38,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-22 00:38:38,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-07-22 00:38:38,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:38,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-22 00:38:38,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-22 00:38:38,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-22 00:38:38,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298999569] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:38,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:38,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2022-07-22 00:38:38,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842056310] [2022-07-22 00:38:38,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:38,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-22 00:38:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-22 00:38:38,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2022-07-22 00:38:38,980 INFO L87 Difference]: Start difference. First operand 283 states and 329 transitions. Second operand has 46 states, 45 states have (on average 2.6) internal successors, (117), 46 states have internal predecessors, (117), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-22 00:38:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:39,550 INFO L93 Difference]: Finished difference Result 747 states and 906 transitions. [2022-07-22 00:38:39,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-07-22 00:38:39,550 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.6) internal successors, (117), 46 states have internal predecessors, (117), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Word has length 114 [2022-07-22 00:38:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:39,555 INFO L225 Difference]: With dead ends: 747 [2022-07-22 00:38:39,555 INFO L226 Difference]: Without dead ends: 746 [2022-07-22 00:38:39,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2022-07-22 00:38:39,559 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 325 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:39,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 383 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:38:39,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2022-07-22 00:38:39,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 355. [2022-07-22 00:38:39,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 289 states have (on average 1.1418685121107266) internal successors, (330), 292 states have internal predecessors, (330), 43 states have call successors, (43), 16 states have call predecessors, (43), 19 states have return successors, (52), 46 states have call predecessors, (52), 43 states have call successors, (52) [2022-07-22 00:38:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 425 transitions. [2022-07-22 00:38:39,596 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 425 transitions. Word has length 114 [2022-07-22 00:38:39,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:39,596 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 425 transitions. [2022-07-22 00:38:39,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.6) internal successors, (117), 46 states have internal predecessors, (117), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-22 00:38:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 425 transitions. [2022-07-22 00:38:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-22 00:38:39,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:39,598 INFO L195 NwaCegarLoop]: trace histogram [13, 11, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:39,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:39,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:39,803 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:39,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash -999556663, now seen corresponding path program 2 times [2022-07-22 00:38:39,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:39,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324036822] [2022-07-22 00:38:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 00:38:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 00:38:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:39,928 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 89 proven. 82 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-22 00:38:39,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:39,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324036822] [2022-07-22 00:38:39,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324036822] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:39,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439707092] [2022-07-22 00:38:39,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:39,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:39,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:39,930 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) [2022-07-22 00:38:39,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-22 00:38:39,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:39,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 00:38:39,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:40,078 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 89 proven. 82 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-22 00:38:40,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 89 proven. 82 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-22 00:38:40,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439707092] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:40,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:40,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 14 [2022-07-22 00:38:40,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409522242] [2022-07-22 00:38:40,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:40,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 00:38:40,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:40,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 00:38:40,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:38:40,207 INFO L87 Difference]: Start difference. First operand 355 states and 425 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 12 states have internal predecessors, (75), 7 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-22 00:38:40,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:40,426 INFO L93 Difference]: Finished difference Result 502 states and 602 transitions. [2022-07-22 00:38:40,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 00:38:40,427 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 12 states have internal predecessors, (75), 7 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) Word has length 131 [2022-07-22 00:38:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:40,429 INFO L225 Difference]: With dead ends: 502 [2022-07-22 00:38:40,429 INFO L226 Difference]: Without dead ends: 358 [2022-07-22 00:38:40,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-07-22 00:38:40,430 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 139 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:40,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 182 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:40,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-07-22 00:38:40,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 350. [2022-07-22 00:38:40,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 285 states have (on average 1.1298245614035087) internal successors, (322), 288 states have internal predecessors, (322), 43 states have call successors, (43), 17 states have call predecessors, (43), 18 states have return successors, (48), 44 states have call predecessors, (48), 43 states have call successors, (48) [2022-07-22 00:38:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 413 transitions. [2022-07-22 00:38:40,454 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 413 transitions. Word has length 131 [2022-07-22 00:38:40,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:40,455 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 413 transitions. [2022-07-22 00:38:40,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 12 states have internal predecessors, (75), 7 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 7 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-22 00:38:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 413 transitions. [2022-07-22 00:38:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-22 00:38:40,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:40,457 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 9, 9, 9, 8, 8, 8, 8, 8, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:40,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:40,680 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,SelfDestructingSolverStorable25 [2022-07-22 00:38:40,680 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1094447814, now seen corresponding path program 1 times [2022-07-22 00:38:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:40,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560624014] [2022-07-22 00:38:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-22 00:38:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-22 00:38:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 00:38:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 203 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-07-22 00:38:40,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:40,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560624014] [2022-07-22 00:38:40,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560624014] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:40,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542190383] [2022-07-22 00:38:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:40,762 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) [2022-07-22 00:38:40,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-22 00:38:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:40,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:38:40,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 383 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-07-22 00:38:40,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 203 proven. 35 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-07-22 00:38:40,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542190383] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:40,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:40,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-07-22 00:38:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538416731] [2022-07-22 00:38:40,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:40,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 00:38:40,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:40,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 00:38:40,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 00:38:40,937 INFO L87 Difference]: Start difference. First operand 350 states and 413 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 00:38:40,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:40,992 INFO L93 Difference]: Finished difference Result 489 states and 576 transitions. [2022-07-22 00:38:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 00:38:40,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 163 [2022-07-22 00:38:40,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:40,995 INFO L225 Difference]: With dead ends: 489 [2022-07-22 00:38:40,995 INFO L226 Difference]: Without dead ends: 354 [2022-07-22 00:38:40,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 350 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-22 00:38:40,996 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:40,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 104 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:38:40,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-07-22 00:38:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 350. [2022-07-22 00:38:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 285 states have (on average 1.1298245614035087) internal successors, (322), 288 states have internal predecessors, (322), 43 states have call successors, (43), 17 states have call predecessors, (43), 18 states have return successors, (46), 44 states have call predecessors, (46), 43 states have call successors, (46) [2022-07-22 00:38:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 411 transitions. [2022-07-22 00:38:41,017 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 411 transitions. Word has length 163 [2022-07-22 00:38:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:41,017 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 411 transitions. [2022-07-22 00:38:41,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 00:38:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 411 transitions. [2022-07-22 00:38:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-22 00:38:41,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:41,021 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 10, 9, 9, 8, 8, 8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:41,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:41,231 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,SelfDestructingSolverStorable26 [2022-07-22 00:38:41,231 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash -457737177, now seen corresponding path program 2 times [2022-07-22 00:38:41,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:41,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819408733] [2022-07-22 00:38:41,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:41,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:38:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 58 proven. 159 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-22 00:38:41,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819408733] [2022-07-22 00:38:41,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819408733] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135656975] [2022-07-22 00:38:41,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:41,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:41,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:41,381 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) [2022-07-22 00:38:41,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-22 00:38:41,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:41,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:41,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 00:38:41,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 387 proven. 10 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-07-22 00:38:41,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:42,034 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 275 proven. 70 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2022-07-22 00:38:42,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135656975] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:42,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:42,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 14] total 27 [2022-07-22 00:38:42,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326017358] [2022-07-22 00:38:42,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:42,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-22 00:38:42,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:42,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-22 00:38:42,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-07-22 00:38:42,038 INFO L87 Difference]: Start difference. First operand 350 states and 411 transitions. Second operand has 27 states, 27 states have (on average 4.777777777777778) internal successors, (129), 26 states have internal predecessors, (129), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2022-07-22 00:38:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:42,855 INFO L93 Difference]: Finished difference Result 622 states and 740 transitions. [2022-07-22 00:38:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-22 00:38:42,856 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.777777777777778) internal successors, (129), 26 states have internal predecessors, (129), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) Word has length 183 [2022-07-22 00:38:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:42,858 INFO L225 Difference]: With dead ends: 622 [2022-07-22 00:38:42,859 INFO L226 Difference]: Without dead ends: 512 [2022-07-22 00:38:42,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=1977, Unknown=0, NotChecked=0, Total=2256 [2022-07-22 00:38:42,860 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 303 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:42,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 394 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 00:38:42,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-07-22 00:38:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 466. [2022-07-22 00:38:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 380 states have (on average 1.1289473684210527) internal successors, (429), 382 states have internal predecessors, (429), 56 states have call successors, (56), 22 states have call predecessors, (56), 26 states have return successors, (77), 61 states have call predecessors, (77), 56 states have call successors, (77) [2022-07-22 00:38:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 562 transitions. [2022-07-22 00:38:42,888 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 562 transitions. Word has length 183 [2022-07-22 00:38:42,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:42,888 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 562 transitions. [2022-07-22 00:38:42,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.777777777777778) internal successors, (129), 26 states have internal predecessors, (129), 15 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 11 states have call predecessors, (18), 15 states have call successors, (18) [2022-07-22 00:38:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 562 transitions. [2022-07-22 00:38:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-22 00:38:42,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:42,891 INFO L195 NwaCegarLoop]: trace histogram [20, 18, 13, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:42,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:43,113 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,SelfDestructingSolverStorable27 [2022-07-22 00:38:43,114 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:43,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1250905414, now seen corresponding path program 3 times [2022-07-22 00:38:43,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:43,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182940278] [2022-07-22 00:38:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-22 00:38:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 222 proven. 14 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-07-22 00:38:43,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:43,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182940278] [2022-07-22 00:38:43,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182940278] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:43,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37034587] [2022-07-22 00:38:43,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:38:43,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:43,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:43,245 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) [2022-07-22 00:38:43,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-22 00:38:43,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-22 00:38:43,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:43,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 00:38:43,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 132 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-22 00:38:43,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 132 proven. 12 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-07-22 00:38:43,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37034587] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:43,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:43,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 16 [2022-07-22 00:38:43,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698099475] [2022-07-22 00:38:43,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:43,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-22 00:38:43,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:43,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-22 00:38:43,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-07-22 00:38:43,632 INFO L87 Difference]: Start difference. First operand 466 states and 562 transitions. Second operand has 17 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2022-07-22 00:38:43,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:43,884 INFO L93 Difference]: Finished difference Result 651 states and 802 transitions. [2022-07-22 00:38:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 00:38:43,884 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 211 [2022-07-22 00:38:43,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:43,890 INFO L225 Difference]: With dead ends: 651 [2022-07-22 00:38:43,890 INFO L226 Difference]: Without dead ends: 634 [2022-07-22 00:38:43,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2022-07-22 00:38:43,892 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 108 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:43,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 281 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:43,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-07-22 00:38:43,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 567. [2022-07-22 00:38:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 457 states have (on average 1.1378555798687089) internal successors, (520), 461 states have internal predecessors, (520), 69 states have call successors, (69), 28 states have call predecessors, (69), 37 states have return successors, (97), 77 states have call predecessors, (97), 69 states have call successors, (97) [2022-07-22 00:38:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 686 transitions. [2022-07-22 00:38:43,926 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 686 transitions. Word has length 211 [2022-07-22 00:38:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:43,926 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 686 transitions. [2022-07-22 00:38:43,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 states have internal predecessors, (95), 11 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2022-07-22 00:38:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 686 transitions. [2022-07-22 00:38:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-22 00:38:43,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:43,929 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:43,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:44,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-22 00:38:44,142 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:44,142 INFO L85 PathProgramCache]: Analyzing trace with hash -564713191, now seen corresponding path program 4 times [2022-07-22 00:38:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:44,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894526614] [2022-07-22 00:38:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-22 00:38:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 258 proven. 106 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-22 00:38:44,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:44,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894526614] [2022-07-22 00:38:44,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894526614] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:44,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333884111] [2022-07-22 00:38:44,311 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 00:38:44,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:44,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:44,313 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) [2022-07-22 00:38:44,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-22 00:38:44,386 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 00:38:44,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:44,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 00:38:44,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2022-07-22 00:38:44,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 145 proven. 6 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-07-22 00:38:44,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333884111] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:44,532 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:44,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 18 [2022-07-22 00:38:44,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674125670] [2022-07-22 00:38:44,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:44,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-22 00:38:44,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:44,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-22 00:38:44,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-07-22 00:38:44,534 INFO L87 Difference]: Start difference. First operand 567 states and 686 transitions. Second operand has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 15 states have internal predecessors, (86), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-22 00:38:45,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:45,072 INFO L93 Difference]: Finished difference Result 996 states and 1249 transitions. [2022-07-22 00:38:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-22 00:38:45,073 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 15 states have internal predecessors, (86), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 216 [2022-07-22 00:38:45,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:45,076 INFO L225 Difference]: With dead ends: 996 [2022-07-22 00:38:45,076 INFO L226 Difference]: Without dead ends: 626 [2022-07-22 00:38:45,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2022-07-22 00:38:45,078 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 115 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:45,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 358 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:38:45,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-07-22 00:38:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 570. [2022-07-22 00:38:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 462 states have (on average 1.1233766233766234) internal successors, (519), 465 states have internal predecessors, (519), 68 states have call successors, (68), 29 states have call predecessors, (68), 36 states have return successors, (82), 75 states have call predecessors, (82), 68 states have call successors, (82) [2022-07-22 00:38:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 669 transitions. [2022-07-22 00:38:45,118 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 669 transitions. Word has length 216 [2022-07-22 00:38:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:45,119 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 669 transitions. [2022-07-22 00:38:45,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.777777777777778) internal successors, (86), 15 states have internal predecessors, (86), 8 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-22 00:38:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 669 transitions. [2022-07-22 00:38:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-22 00:38:45,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:45,121 INFO L195 NwaCegarLoop]: trace histogram [21, 18, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:45,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:45,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:45,344 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:45,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash 815564211, now seen corresponding path program 5 times [2022-07-22 00:38:45,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:45,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643262662] [2022-07-22 00:38:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-22 00:38:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 204 proven. 165 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2022-07-22 00:38:45,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:45,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643262662] [2022-07-22 00:38:45,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643262662] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:45,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985046331] [2022-07-22 00:38:45,538 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-22 00:38:45,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:45,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:45,540 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) [2022-07-22 00:38:45,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-22 00:38:45,633 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-07-22 00:38:45,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:45,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 00:38:45,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 138 proven. 10 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-07-22 00:38:45,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 138 proven. 10 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-07-22 00:38:45,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985046331] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:45,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:45,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 26 [2022-07-22 00:38:45,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895965451] [2022-07-22 00:38:45,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:45,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-22 00:38:45,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-22 00:38:45,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-07-22 00:38:45,886 INFO L87 Difference]: Start difference. First operand 570 states and 669 transitions. Second operand has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 20 states have internal predecessors, (109), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2022-07-22 00:38:47,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:47,127 INFO L93 Difference]: Finished difference Result 1246 states and 1456 transitions. [2022-07-22 00:38:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-07-22 00:38:47,127 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 20 states have internal predecessors, (109), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 216 [2022-07-22 00:38:47,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:47,131 INFO L225 Difference]: With dead ends: 1246 [2022-07-22 00:38:47,131 INFO L226 Difference]: Without dead ends: 808 [2022-07-22 00:38:47,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=628, Invalid=4202, Unknown=0, NotChecked=0, Total=4830 [2022-07-22 00:38:47,134 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 601 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:47,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 464 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 00:38:47,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-07-22 00:38:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 771. [2022-07-22 00:38:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 627 states have (on average 1.1259968102073366) internal successors, (706), 622 states have internal predecessors, (706), 89 states have call successors, (89), 43 states have call predecessors, (89), 51 states have return successors, (109), 105 states have call predecessors, (109), 89 states have call successors, (109) [2022-07-22 00:38:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 904 transitions. [2022-07-22 00:38:47,182 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 904 transitions. Word has length 216 [2022-07-22 00:38:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:47,182 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 904 transitions. [2022-07-22 00:38:47,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 20 states have internal predecessors, (109), 14 states have call successors, (18), 8 states have call predecessors, (18), 1 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2022-07-22 00:38:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 904 transitions. [2022-07-22 00:38:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-22 00:38:47,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:47,186 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 14, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:47,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:47,407 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,SelfDestructingSolverStorable30 [2022-07-22 00:38:47,407 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:47,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:47,408 INFO L85 PathProgramCache]: Analyzing trace with hash 319058886, now seen corresponding path program 1 times [2022-07-22 00:38:47,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:47,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150484801] [2022-07-22 00:38:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:47,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-22 00:38:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-22 00:38:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 321 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-07-22 00:38:47,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:47,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150484801] [2022-07-22 00:38:47,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150484801] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:47,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115036023] [2022-07-22 00:38:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:47,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:47,649 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) [2022-07-22 00:38:47,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-22 00:38:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:47,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-22 00:38:47,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 411 proven. 36 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-07-22 00:38:48,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 321 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-07-22 00:38:48,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115036023] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:48,363 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:48,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 30 [2022-07-22 00:38:48,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121782067] [2022-07-22 00:38:48,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:48,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-07-22 00:38:48,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-07-22 00:38:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2022-07-22 00:38:48,367 INFO L87 Difference]: Start difference. First operand 771 states and 904 transitions. Second operand has 30 states, 30 states have (on average 4.0) internal successors, (120), 28 states have internal predecessors, (120), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) [2022-07-22 00:38:49,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:49,062 INFO L93 Difference]: Finished difference Result 1451 states and 1828 transitions. [2022-07-22 00:38:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-22 00:38:49,063 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.0) internal successors, (120), 28 states have internal predecessors, (120), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) Word has length 233 [2022-07-22 00:38:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:49,067 INFO L225 Difference]: With dead ends: 1451 [2022-07-22 00:38:49,067 INFO L226 Difference]: Without dead ends: 952 [2022-07-22 00:38:49,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 497 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=302, Invalid=1860, Unknown=0, NotChecked=0, Total=2162 [2022-07-22 00:38:49,071 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 241 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:49,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 314 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 00:38:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-07-22 00:38:49,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 806. [2022-07-22 00:38:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 653 states have (on average 1.122511485451761) internal successors, (733), 649 states have internal predecessors, (733), 96 states have call successors, (96), 43 states have call predecessors, (96), 53 states have return successors, (127), 113 states have call predecessors, (127), 96 states have call successors, (127) [2022-07-22 00:38:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 956 transitions. [2022-07-22 00:38:49,129 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 956 transitions. Word has length 233 [2022-07-22 00:38:49,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:49,130 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 956 transitions. [2022-07-22 00:38:49,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.0) internal successors, (120), 28 states have internal predecessors, (120), 16 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 12 states have call predecessors, (18), 14 states have call successors, (18) [2022-07-22 00:38:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 956 transitions. [2022-07-22 00:38:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-22 00:38:49,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:49,132 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:49,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:49,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:49,355 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1501668580, now seen corresponding path program 4 times [2022-07-22 00:38:49,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:49,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619664757] [2022-07-22 00:38:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:49,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:38:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 00:38:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:38:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 00:38:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 00:38:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 00:38:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 00:38:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 00:38:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 00:38:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 00:38:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 00:38:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-22 00:38:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 00:38:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-22 00:38:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:38:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-22 00:38:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-22 00:38:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-22 00:38:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-22 00:38:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-22 00:38:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2508 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-07-22 00:38:50,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:50,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619664757] [2022-07-22 00:38:50,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619664757] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:50,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665556543] [2022-07-22 00:38:50,099 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 00:38:50,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:50,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:50,104 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) [2022-07-22 00:38:50,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-22 00:38:50,220 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 00:38:50,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:50,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 47 conjunts are in the unsatisfiable core [2022-07-22 00:38:50,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2508 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-07-22 00:38:50,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2508 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-07-22 00:38:52,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665556543] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:52,036 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:52,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2022-07-22 00:38:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091914984] [2022-07-22 00:38:52,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:52,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-07-22 00:38:52,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:52,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-07-22 00:38:52,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2022-07-22 00:38:52,041 INFO L87 Difference]: Start difference. First operand 806 states and 956 transitions. Second operand has 94 states, 93 states have (on average 2.5483870967741935) internal successors, (237), 94 states have internal predecessors, (237), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-07-22 00:38:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:53,748 INFO L93 Difference]: Finished difference Result 2255 states and 2735 transitions. [2022-07-22 00:38:53,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-07-22 00:38:53,749 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.5483870967741935) internal successors, (237), 94 states have internal predecessors, (237), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 234 [2022-07-22 00:38:53,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:53,757 INFO L225 Difference]: With dead ends: 2255 [2022-07-22 00:38:53,758 INFO L226 Difference]: Without dead ends: 2254 [2022-07-22 00:38:53,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2022-07-22 00:38:53,763 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 945 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:53,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 722 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:38:53,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2022-07-22 00:38:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 950. [2022-07-22 00:38:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 773 states have (on average 1.1345407503234153) internal successors, (877), 769 states have internal predecessors, (877), 120 states have call successors, (120), 43 states have call predecessors, (120), 53 states have return successors, (151), 137 states have call predecessors, (151), 120 states have call successors, (151) [2022-07-22 00:38:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1148 transitions. [2022-07-22 00:38:53,853 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1148 transitions. Word has length 234 [2022-07-22 00:38:53,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:53,853 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1148 transitions. [2022-07-22 00:38:53,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.5483870967741935) internal successors, (237), 94 states have internal predecessors, (237), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2022-07-22 00:38:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1148 transitions. [2022-07-22 00:38:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-22 00:38:53,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:53,858 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 16, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:53,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-07-22 00:38:54,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:54,063 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:54,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:54,064 INFO L85 PathProgramCache]: Analyzing trace with hash 902912703, now seen corresponding path program 2 times [2022-07-22 00:38:54,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:54,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963075195] [2022-07-22 00:38:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:54,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-22 00:38:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-22 00:38:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 294 proven. 10 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2022-07-22 00:38:54,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:54,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963075195] [2022-07-22 00:38:54,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963075195] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:54,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828490848] [2022-07-22 00:38:54,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:54,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:54,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:54,213 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) [2022-07-22 00:38:54,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-07-22 00:38:54,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:54,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:54,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 00:38:54,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 294 proven. 10 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2022-07-22 00:38:54,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 308 proven. 10 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2022-07-22 00:38:54,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828490848] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:54,684 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:54,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 11 [2022-07-22 00:38:54,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522231157] [2022-07-22 00:38:54,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:54,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 00:38:54,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:54,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 00:38:54,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-22 00:38:54,686 INFO L87 Difference]: Start difference. First operand 950 states and 1148 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 00:38:54,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:54,842 INFO L93 Difference]: Finished difference Result 1409 states and 1886 transitions. [2022-07-22 00:38:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-22 00:38:54,842 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) Word has length 254 [2022-07-22 00:38:54,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:54,848 INFO L225 Difference]: With dead ends: 1409 [2022-07-22 00:38:54,848 INFO L226 Difference]: Without dead ends: 1408 [2022-07-22 00:38:54,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-07-22 00:38:54,850 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 16 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:54,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 289 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:54,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-07-22 00:38:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1202. [2022-07-22 00:38:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 977 states have (on average 1.1177072671443193) internal successors, (1092), 954 states have internal predecessors, (1092), 146 states have call successors, (146), 43 states have call predecessors, (146), 75 states have return successors, (331), 204 states have call predecessors, (331), 146 states have call successors, (331) [2022-07-22 00:38:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1569 transitions. [2022-07-22 00:38:54,918 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1569 transitions. Word has length 254 [2022-07-22 00:38:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:54,918 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 1569 transitions. [2022-07-22 00:38:54,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 12 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 00:38:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1569 transitions. [2022-07-22 00:38:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-22 00:38:54,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:54,922 INFO L195 NwaCegarLoop]: trace histogram [28, 25, 18, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:54,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-07-22 00:38:55,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:55,135 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:55,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1262593475, now seen corresponding path program 1 times [2022-07-22 00:38:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:55,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361543132] [2022-07-22 00:38:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-22 00:38:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-22 00:38:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-22 00:38:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-22 00:38:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 408 proven. 220 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2022-07-22 00:38:55,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:55,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361543132] [2022-07-22 00:38:55,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361543132] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:55,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421290896] [2022-07-22 00:38:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:55,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:55,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:55,389 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) [2022-07-22 00:38:55,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-07-22 00:38:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:55,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-22 00:38:55,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 1138 proven. 16 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-07-22 00:38:55,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2078 backedges. 408 proven. 220 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2022-07-22 00:38:56,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421290896] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:56,030 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:56,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 29 [2022-07-22 00:38:56,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154762454] [2022-07-22 00:38:56,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:56,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-22 00:38:56,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:56,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-22 00:38:56,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2022-07-22 00:38:56,032 INFO L87 Difference]: Start difference. First operand 1202 states and 1569 transitions. Second operand has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 25 states have internal predecessors, (118), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2022-07-22 00:38:56,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:56,684 INFO L93 Difference]: Finished difference Result 2009 states and 2660 transitions. [2022-07-22 00:38:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 00:38:56,684 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 25 states have internal predecessors, (118), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) Word has length 285 [2022-07-22 00:38:56,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:56,690 INFO L225 Difference]: With dead ends: 2009 [2022-07-22 00:38:56,690 INFO L226 Difference]: Without dead ends: 1256 [2022-07-22 00:38:56,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 611 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=1712, Unknown=0, NotChecked=0, Total=1980 [2022-07-22 00:38:56,695 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 262 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:56,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 400 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 00:38:56,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-07-22 00:38:56,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1222. [2022-07-22 00:38:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1222 states, 995 states have (on average 1.1175879396984925) internal successors, (1112), 971 states have internal predecessors, (1112), 145 states have call successors, (145), 45 states have call predecessors, (145), 78 states have return successors, (319), 205 states have call predecessors, (319), 145 states have call successors, (319) [2022-07-22 00:38:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1576 transitions. [2022-07-22 00:38:56,766 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1576 transitions. Word has length 285 [2022-07-22 00:38:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:56,767 INFO L495 AbstractCegarLoop]: Abstraction has 1222 states and 1576 transitions. [2022-07-22 00:38:56,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.068965517241379) internal successors, (118), 25 states have internal predecessors, (118), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2022-07-22 00:38:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1576 transitions. [2022-07-22 00:38:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-22 00:38:56,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:56,770 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 16, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 00:38:56,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:56,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:56,987 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:56,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:56,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2074477219, now seen corresponding path program 2 times [2022-07-22 00:38:56,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:56,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528074302] [2022-07-22 00:38:56,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:56,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-22 00:38:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-22 00:38:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 300 proven. 10 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2022-07-22 00:38:57,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:57,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528074302] [2022-07-22 00:38:57,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528074302] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:57,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091281807] [2022-07-22 00:38:57,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:38:57,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:57,134 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:38:57,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-07-22 00:38:57,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:38:57,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:57,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 00:38:57,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 68 proven. 18 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2022-07-22 00:38:57,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 68 proven. 18 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2022-07-22 00:38:57,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091281807] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:57,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:57,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-22 00:38:57,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620511584] [2022-07-22 00:38:57,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:57,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 00:38:57,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:57,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 00:38:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-22 00:38:57,396 INFO L87 Difference]: Start difference. First operand 1222 states and 1576 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 00:38:57,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:57,507 INFO L93 Difference]: Finished difference Result 1459 states and 1999 transitions. [2022-07-22 00:38:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 00:38:57,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) Word has length 255 [2022-07-22 00:38:57,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:57,514 INFO L225 Difference]: With dead ends: 1459 [2022-07-22 00:38:57,514 INFO L226 Difference]: Without dead ends: 1458 [2022-07-22 00:38:57,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-22 00:38:57,516 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 11 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:57,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 246 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:38:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2022-07-22 00:38:57,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1312. [2022-07-22 00:38:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1064 states have (on average 1.1137218045112782) internal successors, (1185), 1038 states have internal predecessors, (1185), 159 states have call successors, (159), 45 states have call predecessors, (159), 85 states have return successors, (418), 228 states have call predecessors, (418), 159 states have call successors, (418) [2022-07-22 00:38:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1762 transitions. [2022-07-22 00:38:57,604 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1762 transitions. Word has length 255 [2022-07-22 00:38:57,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:57,605 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 1762 transitions. [2022-07-22 00:38:57,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (10), 5 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-22 00:38:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1762 transitions. [2022-07-22 00:38:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-22 00:38:57,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:57,608 INFO L195 NwaCegarLoop]: trace histogram [28, 25, 19, 11, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 00:38:57,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:57,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-07-22 00:38:57,821 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:57,821 INFO L85 PathProgramCache]: Analyzing trace with hash 713297720, now seen corresponding path program 3 times [2022-07-22 00:38:57,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:57,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368647659] [2022-07-22 00:38:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:57,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-22 00:38:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-22 00:38:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-22 00:38:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:57,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:38:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 472 proven. 126 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2022-07-22 00:38:58,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:58,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368647659] [2022-07-22 00:38:58,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368647659] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:58,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99231820] [2022-07-22 00:38:58,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:38:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:58,009 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:38:58,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-07-22 00:38:58,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-07-22 00:38:58,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:58,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 00:38:58,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:38:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 422 proven. 19 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2022-07-22 00:38:58,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:38:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 422 proven. 21 refuted. 0 times theorem prover too weak. 1627 trivial. 0 not checked. [2022-07-22 00:38:58,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99231820] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:38:58,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:38:58,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 10] total 24 [2022-07-22 00:38:58,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987240431] [2022-07-22 00:38:58,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:38:58,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-22 00:38:58,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:38:58,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-22 00:38:58,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2022-07-22 00:38:58,524 INFO L87 Difference]: Start difference. First operand 1312 states and 1762 transitions. Second operand has 24 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 11 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2022-07-22 00:38:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:38:59,186 INFO L93 Difference]: Finished difference Result 2472 states and 3574 transitions. [2022-07-22 00:38:59,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-22 00:38:59,186 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 11 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 284 [2022-07-22 00:38:59,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:38:59,194 INFO L225 Difference]: With dead ends: 2472 [2022-07-22 00:38:59,194 INFO L226 Difference]: Without dead ends: 1619 [2022-07-22 00:38:59,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 609 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2022-07-22 00:38:59,202 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 278 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:38:59,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 437 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:38:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2022-07-22 00:38:59,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1517. [2022-07-22 00:38:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1223 states have (on average 1.1030253475061325) internal successors, (1349), 1209 states have internal predecessors, (1349), 193 states have call successors, (193), 77 states have call predecessors, (193), 97 states have return successors, (320), 230 states have call predecessors, (320), 193 states have call successors, (320) [2022-07-22 00:38:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1862 transitions. [2022-07-22 00:38:59,298 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1862 transitions. Word has length 284 [2022-07-22 00:38:59,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:38:59,298 INFO L495 AbstractCegarLoop]: Abstraction has 1517 states and 1862 transitions. [2022-07-22 00:38:59,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 11 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2022-07-22 00:38:59,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1862 transitions. [2022-07-22 00:38:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-22 00:38:59,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:38:59,303 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 29, 17, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 00:38:59,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-07-22 00:38:59,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-07-22 00:38:59,526 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:38:59,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:38:59,526 INFO L85 PathProgramCache]: Analyzing trace with hash 102893220, now seen corresponding path program 4 times [2022-07-22 00:38:59,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:38:59,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395732844] [2022-07-22 00:38:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:38:59,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:38:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:38:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:38:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:38:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:38:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:38:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:38:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:38:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-22 00:38:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-22 00:38:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-22 00:38:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-22 00:38:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:38:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-22 00:38:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:38:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:38:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:38:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:38:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:38:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 919 proven. 456 refuted. 0 times theorem prover too weak. 3004 trivial. 0 not checked. [2022-07-22 00:38:59,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:38:59,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395732844] [2022-07-22 00:38:59,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395732844] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:38:59,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628344516] [2022-07-22 00:38:59,764 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 00:38:59,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:38:59,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:38:59,765 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:38:59,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-07-22 00:38:59,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 00:38:59,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:38:59,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 00:38:59,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 2555 proven. 70 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-07-22 00:39:00,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4379 backedges. 915 proven. 753 refuted. 0 times theorem prover too weak. 2711 trivial. 0 not checked. [2022-07-22 00:39:00,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628344516] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:00,591 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:00,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 27 [2022-07-22 00:39:00,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854401583] [2022-07-22 00:39:00,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:00,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-22 00:39:00,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:00,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-22 00:39:00,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2022-07-22 00:39:00,594 INFO L87 Difference]: Start difference. First operand 1517 states and 1862 transitions. Second operand has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 15 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (27), 11 states have call predecessors, (27), 15 states have call successors, (27) [2022-07-22 00:39:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:01,220 INFO L93 Difference]: Finished difference Result 2673 states and 3352 transitions. [2022-07-22 00:39:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-22 00:39:01,221 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 15 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (27), 11 states have call predecessors, (27), 15 states have call successors, (27) Word has length 403 [2022-07-22 00:39:01,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:01,229 INFO L225 Difference]: With dead ends: 2673 [2022-07-22 00:39:01,229 INFO L226 Difference]: Without dead ends: 1630 [2022-07-22 00:39:01,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 904 GetRequests, 860 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=340, Invalid=1382, Unknown=0, NotChecked=0, Total=1722 [2022-07-22 00:39:01,232 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 233 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:01,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 520 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:39:01,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2022-07-22 00:39:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1458. [2022-07-22 00:39:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1177 states have (on average 1.1036533559898045) internal successors, (1299), 1161 states have internal predecessors, (1299), 187 states have call successors, (187), 73 states have call predecessors, (187), 90 states have return successors, (298), 223 states have call predecessors, (298), 187 states have call successors, (298) [2022-07-22 00:39:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1784 transitions. [2022-07-22 00:39:01,318 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1784 transitions. Word has length 403 [2022-07-22 00:39:01,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:01,318 INFO L495 AbstractCegarLoop]: Abstraction has 1458 states and 1784 transitions. [2022-07-22 00:39:01,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 15 states have call successors, (25), 2 states have call predecessors, (25), 7 states have return successors, (27), 11 states have call predecessors, (27), 15 states have call successors, (27) [2022-07-22 00:39:01,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1784 transitions. [2022-07-22 00:39:01,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-07-22 00:39:01,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:01,322 INFO L195 NwaCegarLoop]: trace histogram [39, 35, 27, 16, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 00:39:01,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:01,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-07-22 00:39:01,535 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:01,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:01,536 INFO L85 PathProgramCache]: Analyzing trace with hash -56866660, now seen corresponding path program 5 times [2022-07-22 00:39:01,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:01,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097363253] [2022-07-22 00:39:01,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:01,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:39:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:39:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:39:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:39:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:39:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-22 00:39:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-22 00:39:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-22 00:39:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-22 00:39:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-22 00:39:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4146 backedges. 720 proven. 514 refuted. 0 times theorem prover too weak. 2912 trivial. 0 not checked. [2022-07-22 00:39:01,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:01,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097363253] [2022-07-22 00:39:01,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097363253] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:01,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544804118] [2022-07-22 00:39:01,930 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-22 00:39:01,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:01,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:01,931 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:01,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-07-22 00:39:02,018 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-07-22 00:39:02,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:02,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 00:39:02,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4146 backedges. 1947 proven. 27 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-22 00:39:02,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4146 backedges. 502 proven. 200 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2022-07-22 00:39:02,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544804118] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:02,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:02,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 33 [2022-07-22 00:39:02,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941298440] [2022-07-22 00:39:02,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:02,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-07-22 00:39:02,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:02,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-07-22 00:39:02,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-07-22 00:39:02,438 INFO L87 Difference]: Start difference. First operand 1458 states and 1784 transitions. Second operand has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2022-07-22 00:39:03,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:03,949 INFO L93 Difference]: Finished difference Result 3075 states and 4078 transitions. [2022-07-22 00:39:03,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-07-22 00:39:03,950 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) Word has length 392 [2022-07-22 00:39:03,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:03,958 INFO L225 Difference]: With dead ends: 3075 [2022-07-22 00:39:03,959 INFO L226 Difference]: Without dead ends: 2078 [2022-07-22 00:39:03,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 843 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=477, Invalid=4079, Unknown=0, NotChecked=0, Total=4556 [2022-07-22 00:39:03,965 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 331 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:03,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 403 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 00:39:03,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2022-07-22 00:39:04,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1720. [2022-07-22 00:39:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1396 states have (on average 1.1002865329512894) internal successors, (1536), 1376 states have internal predecessors, (1536), 215 states have call successors, (215), 81 states have call predecessors, (215), 105 states have return successors, (404), 262 states have call predecessors, (404), 215 states have call successors, (404) [2022-07-22 00:39:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2155 transitions. [2022-07-22 00:39:04,099 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2155 transitions. Word has length 392 [2022-07-22 00:39:04,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:04,099 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2155 transitions. [2022-07-22 00:39:04,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.0) internal successors, (132), 30 states have internal predecessors, (132), 12 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2022-07-22 00:39:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2155 transitions. [2022-07-22 00:39:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-22 00:39:04,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:04,104 INFO L195 NwaCegarLoop]: trace histogram [37, 35, 25, 14, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 00:39:04,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:04,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-07-22 00:39:04,323 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:04,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1859557402, now seen corresponding path program 6 times [2022-07-22 00:39:04,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:04,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088661579] [2022-07-22 00:39:04,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:04,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-22 00:39:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-22 00:39:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-22 00:39:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-22 00:39:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-22 00:39:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-22 00:39:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3851 backedges. 447 proven. 218 refuted. 0 times theorem prover too weak. 3186 trivial. 0 not checked. [2022-07-22 00:39:04,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:04,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088661579] [2022-07-22 00:39:04,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088661579] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:04,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636108577] [2022-07-22 00:39:04,581 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-22 00:39:04,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:04,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:04,583 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:04,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-07-22 00:39:04,727 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-07-22 00:39:04,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:04,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-22 00:39:04,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3851 backedges. 1675 proven. 234 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2022-07-22 00:39:05,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3851 backedges. 300 proven. 332 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2022-07-22 00:39:05,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636108577] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:05,478 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:05,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 40 [2022-07-22 00:39:05,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6568704] [2022-07-22 00:39:05,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:05,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-07-22 00:39:05,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-07-22 00:39:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1402, Unknown=0, NotChecked=0, Total=1560 [2022-07-22 00:39:05,480 INFO L87 Difference]: Start difference. First operand 1720 states and 2155 transitions. Second operand has 40 states, 40 states have (on average 3.825) internal successors, (153), 38 states have internal predecessors, (153), 19 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) [2022-07-22 00:39:07,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:07,613 INFO L93 Difference]: Finished difference Result 3121 states and 3920 transitions. [2022-07-22 00:39:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-07-22 00:39:07,613 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 3.825) internal successors, (153), 38 states have internal predecessors, (153), 19 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) Word has length 380 [2022-07-22 00:39:07,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:07,622 INFO L225 Difference]: With dead ends: 3121 [2022-07-22 00:39:07,622 INFO L226 Difference]: Without dead ends: 1797 [2022-07-22 00:39:07,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 913 GetRequests, 806 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3122 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1726, Invalid=9830, Unknown=0, NotChecked=0, Total=11556 [2022-07-22 00:39:07,628 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 211 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:07,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1018 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 00:39:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2022-07-22 00:39:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1776. [2022-07-22 00:39:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1449 states have (on average 1.095928226363009) internal successors, (1588), 1423 states have internal predecessors, (1588), 218 states have call successors, (218), 81 states have call predecessors, (218), 105 states have return successors, (407), 271 states have call predecessors, (407), 218 states have call successors, (407) [2022-07-22 00:39:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2213 transitions. [2022-07-22 00:39:07,757 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2213 transitions. Word has length 380 [2022-07-22 00:39:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:07,757 INFO L495 AbstractCegarLoop]: Abstraction has 1776 states and 2213 transitions. [2022-07-22 00:39:07,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.825) internal successors, (153), 38 states have internal predecessors, (153), 19 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) [2022-07-22 00:39:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2213 transitions. [2022-07-22 00:39:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-22 00:39:07,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:07,762 INFO L195 NwaCegarLoop]: trace histogram [42, 39, 29, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 00:39:07,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-07-22 00:39:07,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-07-22 00:39:07,983 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2007618919, now seen corresponding path program 7 times [2022-07-22 00:39:07,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:07,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105958925] [2022-07-22 00:39:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:07,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-22 00:39:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-22 00:39:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-22 00:39:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4871 backedges. 543 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2022-07-22 00:39:08,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:08,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105958925] [2022-07-22 00:39:08,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105958925] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:08,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048273859] [2022-07-22 00:39:08,273 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-22 00:39:08,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:08,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:08,275 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:08,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-07-22 00:39:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:08,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 00:39:08,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4871 backedges. 1579 proven. 347 refuted. 0 times theorem prover too weak. 2945 trivial. 0 not checked. [2022-07-22 00:39:08,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4871 backedges. 543 proven. 444 refuted. 0 times theorem prover too weak. 3884 trivial. 0 not checked. [2022-07-22 00:39:08,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048273859] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:08,922 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:08,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 20 [2022-07-22 00:39:08,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127602787] [2022-07-22 00:39:08,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:08,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-22 00:39:08,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:08,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-22 00:39:08,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2022-07-22 00:39:08,924 INFO L87 Difference]: Start difference. First operand 1776 states and 2213 transitions. Second operand has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2022-07-22 00:39:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:09,538 INFO L93 Difference]: Finished difference Result 2974 states and 3729 transitions. [2022-07-22 00:39:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-22 00:39:09,539 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 424 [2022-07-22 00:39:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:09,547 INFO L225 Difference]: With dead ends: 2974 [2022-07-22 00:39:09,547 INFO L226 Difference]: Without dead ends: 1826 [2022-07-22 00:39:09,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 920 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=292, Invalid=1268, Unknown=0, NotChecked=0, Total=1560 [2022-07-22 00:39:09,550 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 336 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:09,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 366 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:39:09,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2022-07-22 00:39:09,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1770. [2022-07-22 00:39:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1440 states have (on average 1.0930555555555554) internal successors, (1574), 1423 states have internal predecessors, (1574), 215 states have call successors, (215), 85 states have call predecessors, (215), 111 states have return successors, (395), 261 states have call predecessors, (395), 215 states have call successors, (395) [2022-07-22 00:39:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2184 transitions. [2022-07-22 00:39:09,676 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2184 transitions. Word has length 424 [2022-07-22 00:39:09,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:09,677 INFO L495 AbstractCegarLoop]: Abstraction has 1770 states and 2184 transitions. [2022-07-22 00:39:09,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.8) internal successors, (96), 17 states have internal predecessors, (96), 9 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2022-07-22 00:39:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2184 transitions. [2022-07-22 00:39:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-22 00:39:09,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:09,682 INFO L195 NwaCegarLoop]: trace histogram [43, 39, 32, 18, 16, 16, 16, 16, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 00:39:09,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-07-22 00:39:09,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-07-22 00:39:09,908 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:09,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:09,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1587716642, now seen corresponding path program 8 times [2022-07-22 00:39:09,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:09,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734423528] [2022-07-22 00:39:09,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:09,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 00:39:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-22 00:39:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-22 00:39:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 00:39:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 00:39:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-22 00:39:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-22 00:39:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-22 00:39:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-22 00:39:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-22 00:39:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5239 backedges. 744 proven. 306 refuted. 0 times theorem prover too weak. 4189 trivial. 0 not checked. [2022-07-22 00:39:10,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:10,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734423528] [2022-07-22 00:39:10,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734423528] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:10,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834589263] [2022-07-22 00:39:10,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:39:10,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:10,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:10,202 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:10,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-07-22 00:39:10,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:39:10,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:10,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-22 00:39:10,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5239 backedges. 2657 proven. 143 refuted. 0 times theorem prover too weak. 2439 trivial. 0 not checked. [2022-07-22 00:39:10,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5239 backedges. 744 proven. 306 refuted. 0 times theorem prover too weak. 4189 trivial. 0 not checked. [2022-07-22 00:39:10,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834589263] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:10,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:10,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2022-07-22 00:39:10,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509783657] [2022-07-22 00:39:10,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:10,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-07-22 00:39:10,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:10,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-07-22 00:39:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2022-07-22 00:39:10,969 INFO L87 Difference]: Start difference. First operand 1770 states and 2184 transitions. Second operand has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2022-07-22 00:39:11,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:11,551 INFO L93 Difference]: Finished difference Result 2777 states and 3465 transitions. [2022-07-22 00:39:11,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 00:39:11,552 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 444 [2022-07-22 00:39:11,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:11,557 INFO L225 Difference]: With dead ends: 2777 [2022-07-22 00:39:11,558 INFO L226 Difference]: Without dead ends: 1651 [2022-07-22 00:39:11,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1003 GetRequests, 951 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=574, Invalid=2182, Unknown=0, NotChecked=0, Total=2756 [2022-07-22 00:39:11,561 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 85 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:11,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 481 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 00:39:11,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-07-22 00:39:11,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1626. [2022-07-22 00:39:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1313 states have (on average 1.092155369383092) internal successors, (1434), 1303 states have internal predecessors, (1434), 201 states have call successors, (201), 85 states have call predecessors, (201), 108 states have return successors, (368), 237 states have call predecessors, (368), 201 states have call successors, (368) [2022-07-22 00:39:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2003 transitions. [2022-07-22 00:39:11,658 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2003 transitions. Word has length 444 [2022-07-22 00:39:11,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:11,658 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 2003 transitions. [2022-07-22 00:39:11,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.064516129032258) internal successors, (126), 31 states have internal predecessors, (126), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2022-07-22 00:39:11,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2003 transitions. [2022-07-22 00:39:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-22 00:39:11,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:11,663 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1, 1, 1] [2022-07-22 00:39:11,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:11,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:11,886 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1091853156, now seen corresponding path program 5 times [2022-07-22 00:39:11,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:11,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2477215] [2022-07-22 00:39:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:11,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 00:39:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 00:39:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 00:39:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 00:39:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 00:39:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 00:39:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 00:39:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 00:39:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 00:39:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-22 00:39:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 00:39:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-22 00:39:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-22 00:39:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-22 00:39:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-22 00:39:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-22 00:39:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-22 00:39:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-22 00:39:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-22 00:39:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-22 00:39:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-22 00:39:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-22 00:39:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-22 00:39:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-22 00:39:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-22 00:39:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-22 00:39:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-22 00:39:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-22 00:39:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-22 00:39:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-22 00:39:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-22 00:39:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-22 00:39:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-22 00:39:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-22 00:39:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-22 00:39:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-22 00:39:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-22 00:39:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-22 00:39:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-22 00:39:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-22 00:39:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2022-07-22 00:39:14,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:14,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2477215] [2022-07-22 00:39:14,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2477215] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:14,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962670934] [2022-07-22 00:39:14,322 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-22 00:39:14,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:14,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:14,324 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:14,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-07-22 00:39:14,541 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-07-22 00:39:14,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:14,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 95 conjunts are in the unsatisfiable core [2022-07-22 00:39:14,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2022-07-22 00:39:14,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2022-07-22 00:39:20,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962670934] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:20,625 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:20,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2022-07-22 00:39:20,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614081042] [2022-07-22 00:39:20,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:20,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2022-07-22 00:39:20,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:20,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2022-07-22 00:39:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2022-07-22 00:39:20,634 INFO L87 Difference]: Start difference. First operand 1626 states and 2003 transitions. Second operand has 190 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 190 states have internal predecessors, (477), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-07-22 00:39:28,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:28,066 INFO L93 Difference]: Finished difference Result 5176 states and 6693 transitions. [2022-07-22 00:39:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-07-22 00:39:28,067 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 190 states have internal predecessors, (477), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 474 [2022-07-22 00:39:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:28,083 INFO L225 Difference]: With dead ends: 5176 [2022-07-22 00:39:28,083 INFO L226 Difference]: Without dead ends: 5175 [2022-07-22 00:39:28,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1229 GetRequests, 947 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2022-07-22 00:39:28,089 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 2335 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2335 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:28,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2335 Valid, 1374 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 00:39:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2022-07-22 00:39:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 1914. [2022-07-22 00:39:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1553 states have (on average 1.1088216355441083) internal successors, (1722), 1543 states have internal predecessors, (1722), 249 states have call successors, (249), 85 states have call predecessors, (249), 108 states have return successors, (416), 285 states have call predecessors, (416), 249 states have call successors, (416) [2022-07-22 00:39:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2387 transitions. [2022-07-22 00:39:28,278 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2387 transitions. Word has length 474 [2022-07-22 00:39:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:28,280 INFO L495 AbstractCegarLoop]: Abstraction has 1914 states and 2387 transitions. [2022-07-22 00:39:28,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.5238095238095237) internal successors, (477), 190 states have internal predecessors, (477), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-07-22 00:39:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2387 transitions. [2022-07-22 00:39:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-07-22 00:39:28,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:28,286 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 38, 21, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:28,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:28,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:28,499 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:28,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:28,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1965660013, now seen corresponding path program 9 times [2022-07-22 00:39:28,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:28,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020135460] [2022-07-22 00:39:28,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:28,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-22 00:39:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-22 00:39:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8314 backedges. 1456 proven. 391 refuted. 0 times theorem prover too weak. 6467 trivial. 0 not checked. [2022-07-22 00:39:28,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:28,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020135460] [2022-07-22 00:39:28,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020135460] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:28,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631055729] [2022-07-22 00:39:28,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:39:28,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:28,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:28,959 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:28,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-07-22 00:39:29,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-07-22 00:39:29,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:29,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-22 00:39:29,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8314 backedges. 2651 proven. 142 refuted. 0 times theorem prover too weak. 5521 trivial. 0 not checked. [2022-07-22 00:39:29,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8314 backedges. 1245 proven. 296 refuted. 0 times theorem prover too weak. 6773 trivial. 0 not checked. [2022-07-22 00:39:30,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631055729] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:30,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:30,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 17] total 44 [2022-07-22 00:39:30,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899512705] [2022-07-22 00:39:30,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:30,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-07-22 00:39:30,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:30,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-07-22 00:39:30,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1728, Unknown=0, NotChecked=0, Total=1892 [2022-07-22 00:39:30,286 INFO L87 Difference]: Start difference. First operand 1914 states and 2387 transitions. Second operand has 44 states, 44 states have (on average 4.5) internal successors, (198), 43 states have internal predecessors, (198), 24 states have call successors, (31), 4 states have call predecessors, (31), 9 states have return successors, (30), 16 states have call predecessors, (30), 22 states have call successors, (30) [2022-07-22 00:39:32,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:32,601 INFO L93 Difference]: Finished difference Result 3340 states and 4252 transitions. [2022-07-22 00:39:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-07-22 00:39:32,602 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 4.5) internal successors, (198), 43 states have internal predecessors, (198), 24 states have call successors, (31), 4 states have call predecessors, (31), 9 states have return successors, (30), 16 states have call predecessors, (30), 22 states have call successors, (30) Word has length 552 [2022-07-22 00:39:32,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:32,609 INFO L225 Difference]: With dead ends: 3340 [2022-07-22 00:39:32,610 INFO L226 Difference]: Without dead ends: 2309 [2022-07-22 00:39:32,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1184 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2394 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=951, Invalid=8751, Unknown=0, NotChecked=0, Total=9702 [2022-07-22 00:39:32,614 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 382 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 3054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:32,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 725 Invalid, 3054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2836 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 00:39:32,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2022-07-22 00:39:32,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 1960. [2022-07-22 00:39:32,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1589 states have (on average 1.1076148521082443) internal successors, (1760), 1581 states have internal predecessors, (1760), 252 states have call successors, (252), 87 states have call predecessors, (252), 115 states have return successors, (423), 291 states have call predecessors, (423), 252 states have call successors, (423) [2022-07-22 00:39:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2435 transitions. [2022-07-22 00:39:32,738 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2435 transitions. Word has length 552 [2022-07-22 00:39:32,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:32,738 INFO L495 AbstractCegarLoop]: Abstraction has 1960 states and 2435 transitions. [2022-07-22 00:39:32,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 4.5) internal successors, (198), 43 states have internal predecessors, (198), 24 states have call successors, (31), 4 states have call predecessors, (31), 9 states have return successors, (30), 16 states have call predecessors, (30), 22 states have call successors, (30) [2022-07-22 00:39:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2435 transitions. [2022-07-22 00:39:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2022-07-22 00:39:32,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:32,745 INFO L195 NwaCegarLoop]: trace histogram [55, 54, 40, 22, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:32,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-07-22 00:39:32,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-07-22 00:39:32,959 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:32,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash -690076490, now seen corresponding path program 10 times [2022-07-22 00:39:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:32,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880661380] [2022-07-22 00:39:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-22 00:39:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-22 00:39:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 9005 backedges. 1665 proven. 124 refuted. 0 times theorem prover too weak. 7216 trivial. 0 not checked. [2022-07-22 00:39:33,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:33,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880661380] [2022-07-22 00:39:33,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880661380] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:33,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462012801] [2022-07-22 00:39:33,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 00:39:33,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:33,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:33,343 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:33,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-07-22 00:39:33,514 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 00:39:33,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:33,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-22 00:39:33,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9005 backedges. 2093 proven. 355 refuted. 0 times theorem prover too weak. 6557 trivial. 0 not checked. [2022-07-22 00:39:33,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 9005 backedges. 2087 proven. 370 refuted. 0 times theorem prover too weak. 6548 trivial. 0 not checked. [2022-07-22 00:39:34,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462012801] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:34,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:34,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 21] total 45 [2022-07-22 00:39:34,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840490487] [2022-07-22 00:39:34,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:34,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-07-22 00:39:34,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:34,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-07-22 00:39:34,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1757, Unknown=0, NotChecked=0, Total=1980 [2022-07-22 00:39:34,953 INFO L87 Difference]: Start difference. First operand 1960 states and 2435 transitions. Second operand has 45 states, 45 states have (on average 4.533333333333333) internal successors, (204), 44 states have internal predecessors, (204), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (31), 19 states have call predecessors, (31), 24 states have call successors, (31) [2022-07-22 00:39:37,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:37,531 INFO L93 Difference]: Finished difference Result 3648 states and 4803 transitions. [2022-07-22 00:39:37,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-07-22 00:39:37,532 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.533333333333333) internal successors, (204), 44 states have internal predecessors, (204), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (31), 19 states have call predecessors, (31), 24 states have call successors, (31) Word has length 573 [2022-07-22 00:39:37,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:37,539 INFO L225 Difference]: With dead ends: 3648 [2022-07-22 00:39:37,539 INFO L226 Difference]: Without dead ends: 2364 [2022-07-22 00:39:37,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1338 GetRequests, 1233 SyntacticMatches, 2 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2599 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1853, Invalid=9067, Unknown=0, NotChecked=0, Total=10920 [2022-07-22 00:39:37,544 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 901 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 3720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:37,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 1054 Invalid, 3720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-22 00:39:37,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2022-07-22 00:39:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2040. [2022-07-22 00:39:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 1651 states have (on average 1.1035735917625682) internal successors, (1822), 1644 states have internal predecessors, (1822), 270 states have call successors, (270), 101 states have call predecessors, (270), 115 states have return successors, (410), 294 states have call predecessors, (410), 270 states have call successors, (410) [2022-07-22 00:39:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 2502 transitions. [2022-07-22 00:39:37,715 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 2502 transitions. Word has length 573 [2022-07-22 00:39:37,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:37,716 INFO L495 AbstractCegarLoop]: Abstraction has 2040 states and 2502 transitions. [2022-07-22 00:39:37,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.533333333333333) internal successors, (204), 44 states have internal predecessors, (204), 26 states have call successors, (31), 3 states have call predecessors, (31), 11 states have return successors, (31), 19 states have call predecessors, (31), 24 states have call successors, (31) [2022-07-22 00:39:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2502 transitions. [2022-07-22 00:39:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2022-07-22 00:39:37,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:37,722 INFO L195 NwaCegarLoop]: trace histogram [58, 56, 43, 24, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:37,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:37,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:37,935 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1811770547, now seen corresponding path program 11 times [2022-07-22 00:39:37,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:37,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753100452] [2022-07-22 00:39:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:37,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-22 00:39:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-22 00:39:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9963 backedges. 471 proven. 619 refuted. 0 times theorem prover too weak. 8873 trivial. 0 not checked. [2022-07-22 00:39:38,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:38,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753100452] [2022-07-22 00:39:38,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753100452] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:38,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609134082] [2022-07-22 00:39:38,276 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-22 00:39:38,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:38,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:38,278 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:38,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-07-22 00:39:38,513 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2022-07-22 00:39:38,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:38,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-22 00:39:38,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9963 backedges. 2801 proven. 552 refuted. 0 times theorem prover too weak. 6610 trivial. 0 not checked. [2022-07-22 00:39:38,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9963 backedges. 654 proven. 658 refuted. 0 times theorem prover too weak. 8651 trivial. 0 not checked. [2022-07-22 00:39:39,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609134082] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:39,454 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:39,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 33 [2022-07-22 00:39:39,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86845721] [2022-07-22 00:39:39,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:39,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-07-22 00:39:39,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:39,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-07-22 00:39:39,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2022-07-22 00:39:39,457 INFO L87 Difference]: Start difference. First operand 2040 states and 2502 transitions. Second operand has 33 states, 33 states have (on average 4.242424242424242) internal successors, (140), 27 states have internal predecessors, (140), 16 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2022-07-22 00:39:42,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:42,290 INFO L93 Difference]: Finished difference Result 4958 states and 6151 transitions. [2022-07-22 00:39:42,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-07-22 00:39:42,290 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.242424242424242) internal successors, (140), 27 states have internal predecessors, (140), 16 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) Word has length 601 [2022-07-22 00:39:42,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:42,302 INFO L225 Difference]: With dead ends: 4958 [2022-07-22 00:39:42,302 INFO L226 Difference]: Without dead ends: 3806 [2022-07-22 00:39:42,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1427 GetRequests, 1310 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4211 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1712, Invalid=12330, Unknown=0, NotChecked=0, Total=14042 [2022-07-22 00:39:42,310 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 996 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:42,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 660 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 00:39:42,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3806 states. [2022-07-22 00:39:42,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3806 to 3639. [2022-07-22 00:39:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3639 states, 2931 states have (on average 1.0880245649948823) internal successors, (3189), 2923 states have internal predecessors, (3189), 454 states have call successors, (454), 216 states have call predecessors, (454), 250 states have return successors, (711), 499 states have call predecessors, (711), 454 states have call successors, (711) [2022-07-22 00:39:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3639 states and 4354 transitions. [2022-07-22 00:39:42,565 INFO L78 Accepts]: Start accepts. Automaton has 3639 states and 4354 transitions. Word has length 601 [2022-07-22 00:39:42,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:42,565 INFO L495 AbstractCegarLoop]: Abstraction has 3639 states and 4354 transitions. [2022-07-22 00:39:42,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.242424242424242) internal successors, (140), 27 states have internal predecessors, (140), 16 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2022-07-22 00:39:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 4354 transitions. [2022-07-22 00:39:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2022-07-22 00:39:42,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:42,571 INFO L195 NwaCegarLoop]: trace histogram [57, 56, 42, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:42,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:42,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-07-22 00:39:42,795 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:42,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1349692771, now seen corresponding path program 12 times [2022-07-22 00:39:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:42,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402574157] [2022-07-22 00:39:42,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:42,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-22 00:39:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-22 00:39:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 1501 proven. 32 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2022-07-22 00:39:43,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:43,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402574157] [2022-07-22 00:39:43,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402574157] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:43,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428107649] [2022-07-22 00:39:43,080 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-22 00:39:43,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:43,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:43,081 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:43,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-07-22 00:39:43,318 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-07-22 00:39:43,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:43,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-22 00:39:43,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 1501 proven. 32 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2022-07-22 00:39:43,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9727 backedges. 1558 proven. 32 refuted. 0 times theorem prover too weak. 8137 trivial. 0 not checked. [2022-07-22 00:39:44,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428107649] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:44,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:44,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 10] total 14 [2022-07-22 00:39:44,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385012341] [2022-07-22 00:39:44,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:44,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 00:39:44,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:44,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 00:39:44,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-07-22 00:39:44,210 INFO L87 Difference]: Start difference. First operand 3639 states and 4354 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-22 00:39:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:44,491 INFO L93 Difference]: Finished difference Result 4041 states and 4991 transitions. [2022-07-22 00:39:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-22 00:39:44,491 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) Word has length 594 [2022-07-22 00:39:44,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:44,502 INFO L225 Difference]: With dead ends: 4041 [2022-07-22 00:39:44,502 INFO L226 Difference]: Without dead ends: 4040 [2022-07-22 00:39:44,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1326 GetRequests, 1308 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-07-22 00:39:44,506 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 36 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:44,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 227 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 00:39:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2022-07-22 00:39:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 3906. [2022-07-22 00:39:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 3152 states have (on average 1.0850253807106598) internal successors, (3420), 3107 states have internal predecessors, (3420), 479 states have call successors, (479), 216 states have call predecessors, (479), 271 states have return successors, (842), 582 states have call predecessors, (842), 479 states have call successors, (842) [2022-07-22 00:39:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 4741 transitions. [2022-07-22 00:39:44,783 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 4741 transitions. Word has length 594 [2022-07-22 00:39:44,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:44,784 INFO L495 AbstractCegarLoop]: Abstraction has 3906 states and 4741 transitions. [2022-07-22 00:39:44,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-22 00:39:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 4741 transitions. [2022-07-22 00:39:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-07-22 00:39:44,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:44,789 INFO L195 NwaCegarLoop]: trace histogram [57, 56, 42, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 15, 15, 15, 14, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:44,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:45,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:45,007 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:45,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:45,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1109197119, now seen corresponding path program 3 times [2022-07-22 00:39:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:45,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040819383] [2022-07-22 00:39:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:45,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-22 00:39:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-22 00:39:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1519 proven. 32 refuted. 0 times theorem prover too weak. 8194 trivial. 0 not checked. [2022-07-22 00:39:45,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:45,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040819383] [2022-07-22 00:39:45,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040819383] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:45,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650790397] [2022-07-22 00:39:45,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:39:45,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:45,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:45,316 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:45,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-07-22 00:39:45,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-07-22 00:39:45,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:45,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-22 00:39:45,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1115 proven. 21 refuted. 0 times theorem prover too weak. 8609 trivial. 0 not checked. [2022-07-22 00:39:45,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9745 backedges. 1115 proven. 21 refuted. 0 times theorem prover too weak. 8609 trivial. 0 not checked. [2022-07-22 00:39:46,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650790397] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:46,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:46,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-07-22 00:39:46,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436211427] [2022-07-22 00:39:46,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:46,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 00:39:46,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:46,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 00:39:46,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-07-22 00:39:46,334 INFO L87 Difference]: Start difference. First operand 3906 states and 4741 transitions. Second operand has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (11), 8 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-22 00:39:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:46,557 INFO L93 Difference]: Finished difference Result 3906 states and 4741 transitions. [2022-07-22 00:39:46,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 00:39:46,557 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (11), 8 states have call predecessors, (11), 4 states have call successors, (11) Word has length 595 [2022-07-22 00:39:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:46,569 INFO L225 Difference]: With dead ends: 3906 [2022-07-22 00:39:46,569 INFO L226 Difference]: Without dead ends: 3905 [2022-07-22 00:39:46,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 1313 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-07-22 00:39:46,571 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 9 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:46,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 304 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 00:39:46,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3905 states. [2022-07-22 00:39:46,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3905 to 3735. [2022-07-22 00:39:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3735 states, 3008 states have (on average 1.068816489361702) internal successors, (3215), 2986 states have internal predecessors, (3215), 461 states have call successors, (461), 216 states have call predecessors, (461), 263 states have return successors, (798), 532 states have call predecessors, (798), 461 states have call successors, (798) [2022-07-22 00:39:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3735 states and 4474 transitions. [2022-07-22 00:39:46,789 INFO L78 Accepts]: Start accepts. Automaton has 3735 states and 4474 transitions. Word has length 595 [2022-07-22 00:39:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:46,789 INFO L495 AbstractCegarLoop]: Abstraction has 3735 states and 4474 transitions. [2022-07-22 00:39:46,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (11), 8 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-22 00:39:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4474 transitions. [2022-07-22 00:39:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-22 00:39:46,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:46,826 INFO L195 NwaCegarLoop]: trace histogram [60, 58, 44, 25, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 16, 16, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:46,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:47,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-07-22 00:39:47,026 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:47,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:47,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1473253871, now seen corresponding path program 6 times [2022-07-22 00:39:47,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:47,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69766339] [2022-07-22 00:39:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:47,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 00:39:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-22 00:39:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 10639 backedges. 457 proven. 586 refuted. 0 times theorem prover too weak. 9596 trivial. 0 not checked. [2022-07-22 00:39:47,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:47,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69766339] [2022-07-22 00:39:47,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69766339] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:47,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13264843] [2022-07-22 00:39:47,330 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-22 00:39:47,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:47,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:47,332 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:47,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-07-22 00:39:47,446 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-07-22 00:39:47,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:47,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 00:39:47,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10639 backedges. 461 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2022-07-22 00:39:47,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10639 backedges. 461 proven. 19 refuted. 0 times theorem prover too weak. 10159 trivial. 0 not checked. [2022-07-22 00:39:48,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13264843] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:48,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:48,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 25 [2022-07-22 00:39:48,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229793841] [2022-07-22 00:39:48,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:48,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-22 00:39:48,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:48,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-22 00:39:48,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2022-07-22 00:39:48,104 INFO L87 Difference]: Start difference. First operand 3735 states and 4474 transitions. Second operand has 26 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2022-07-22 00:39:48,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:48,793 INFO L93 Difference]: Finished difference Result 3944 states and 4733 transitions. [2022-07-22 00:39:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-22 00:39:48,793 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 621 [2022-07-22 00:39:48,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:48,802 INFO L225 Difference]: With dead ends: 3944 [2022-07-22 00:39:48,802 INFO L226 Difference]: Without dead ends: 3936 [2022-07-22 00:39:48,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1399 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=412, Invalid=2240, Unknown=0, NotChecked=0, Total=2652 [2022-07-22 00:39:48,804 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 307 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:48,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 290 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 00:39:48,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3936 states. [2022-07-22 00:39:49,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3936 to 3919. [2022-07-22 00:39:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3919 states, 3152 states have (on average 1.0669416243654823) internal successors, (3363), 3127 states have internal predecessors, (3363), 483 states have call successors, (483), 218 states have call predecessors, (483), 282 states have return successors, (853), 573 states have call predecessors, (853), 483 states have call successors, (853) [2022-07-22 00:39:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3919 states and 4699 transitions. [2022-07-22 00:39:49,125 INFO L78 Accepts]: Start accepts. Automaton has 3919 states and 4699 transitions. Word has length 621 [2022-07-22 00:39:49,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:49,126 INFO L495 AbstractCegarLoop]: Abstraction has 3919 states and 4699 transitions. [2022-07-22 00:39:49,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 21 states have (on average 5.619047619047619) internal successors, (118), 21 states have internal predecessors, (118), 15 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2022-07-22 00:39:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3919 states and 4699 transitions. [2022-07-22 00:39:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2022-07-22 00:39:49,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:49,135 INFO L195 NwaCegarLoop]: trace histogram [86, 82, 65, 39, 31, 31, 31, 31, 31, 31, 31, 31, 31, 29, 29, 28, 28, 26, 21, 16, 16, 15, 15, 15, 15, 15, 8, 8, 7, 7, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:49,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:49,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-07-22 00:39:49,349 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:49,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1859972663, now seen corresponding path program 13 times [2022-07-22 00:39:49,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:49,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119160609] [2022-07-22 00:39:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 00:39:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-22 00:39:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-22 00:39:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-07-22 00:39:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2022-07-22 00:39:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21993 backedges. 1557 proven. 752 refuted. 0 times theorem prover too weak. 19684 trivial. 0 not checked. [2022-07-22 00:39:49,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:49,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119160609] [2022-07-22 00:39:49,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119160609] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:49,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835076994] [2022-07-22 00:39:49,876 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-22 00:39:49,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:49,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:49,877 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:49,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-07-22 00:39:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:50,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-22 00:39:50,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 21993 backedges. 10340 proven. 24 refuted. 0 times theorem prover too weak. 11629 trivial. 0 not checked. [2022-07-22 00:39:50,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21993 backedges. 1557 proven. 752 refuted. 0 times theorem prover too weak. 19684 trivial. 0 not checked. [2022-07-22 00:39:51,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835076994] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:51,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:51,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 27 [2022-07-22 00:39:51,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22509390] [2022-07-22 00:39:51,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:51,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-22 00:39:51,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:51,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-22 00:39:51,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2022-07-22 00:39:51,070 INFO L87 Difference]: Start difference. First operand 3919 states and 4699 transitions. Second operand has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 13 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2022-07-22 00:39:51,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:51,892 INFO L93 Difference]: Finished difference Result 7200 states and 8726 transitions. [2022-07-22 00:39:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-22 00:39:51,892 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 13 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 870 [2022-07-22 00:39:51,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:51,907 INFO L225 Difference]: With dead ends: 7200 [2022-07-22 00:39:51,907 INFO L226 Difference]: Without dead ends: 4429 [2022-07-22 00:39:51,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1940 GetRequests, 1896 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=356, Invalid=1624, Unknown=0, NotChecked=0, Total=1980 [2022-07-22 00:39:51,915 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 113 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:51,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 413 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 00:39:51,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4429 states. [2022-07-22 00:39:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4429 to 4377. [2022-07-22 00:39:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4377 states, 3519 states have (on average 1.064506962205172) internal successors, (3746), 3484 states have internal predecessors, (3746), 545 states have call successors, (545), 238 states have call predecessors, (545), 311 states have return successors, (1026), 654 states have call predecessors, (1026), 545 states have call successors, (1026) [2022-07-22 00:39:52,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 4377 states and 5317 transitions. [2022-07-22 00:39:52,243 INFO L78 Accepts]: Start accepts. Automaton has 4377 states and 5317 transitions. Word has length 870 [2022-07-22 00:39:52,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:52,244 INFO L495 AbstractCegarLoop]: Abstraction has 4377 states and 5317 transitions. [2022-07-22 00:39:52,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 13 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2022-07-22 00:39:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 4377 states and 5317 transitions. [2022-07-22 00:39:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2022-07-22 00:39:52,253 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:52,253 INFO L195 NwaCegarLoop]: trace histogram [82, 81, 62, 36, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 29, 29, 26, 20, 16, 16, 15, 15, 15, 15, 15, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:52,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:52,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-07-22 00:39:52,467 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:52,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1424992423, now seen corresponding path program 14 times [2022-07-22 00:39:52,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:52,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631390019] [2022-07-22 00:39:52,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:52,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 00:39:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-22 00:39:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2022-07-22 00:39:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-22 00:39:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20720 backedges. 664 proven. 805 refuted. 0 times theorem prover too weak. 19251 trivial. 0 not checked. [2022-07-22 00:39:53,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:53,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631390019] [2022-07-22 00:39:53,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631390019] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:53,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269016713] [2022-07-22 00:39:53,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 00:39:53,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:53,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:53,036 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:53,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-07-22 00:39:53,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 00:39:53,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:53,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 1902 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-22 00:39:53,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20720 backedges. 7274 proven. 632 refuted. 0 times theorem prover too weak. 12814 trivial. 0 not checked. [2022-07-22 00:39:53,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 20720 backedges. 664 proven. 805 refuted. 0 times theorem prover too weak. 19251 trivial. 0 not checked. [2022-07-22 00:39:54,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269016713] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:54,180 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:54,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 32 [2022-07-22 00:39:54,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088315565] [2022-07-22 00:39:54,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:54,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-22 00:39:54,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:54,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-22 00:39:54,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2022-07-22 00:39:54,182 INFO L87 Difference]: Start difference. First operand 4377 states and 5317 transitions. Second operand has 32 states, 32 states have (on average 3.96875) internal successors, (127), 30 states have internal predecessors, (127), 17 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 12 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-22 00:39:55,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:39:55,341 INFO L93 Difference]: Finished difference Result 7592 states and 9253 transitions. [2022-07-22 00:39:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-07-22 00:39:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.96875) internal successors, (127), 30 states have internal predecessors, (127), 17 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 12 states have call predecessors, (20), 15 states have call successors, (20) Word has length 847 [2022-07-22 00:39:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:39:55,356 INFO L225 Difference]: With dead ends: 7592 [2022-07-22 00:39:55,356 INFO L226 Difference]: Without dead ends: 4339 [2022-07-22 00:39:55,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1913 GetRequests, 1844 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=823, Invalid=3869, Unknown=0, NotChecked=0, Total=4692 [2022-07-22 00:39:55,365 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 243 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 00:39:55,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 406 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 00:39:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4339 states. [2022-07-22 00:39:55,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4339 to 4325. [2022-07-22 00:39:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 3478 states have (on average 1.0638297872340425) internal successors, (3700), 3444 states have internal predecessors, (3700), 538 states have call successors, (538), 237 states have call predecessors, (538), 307 states have return successors, (1000), 643 states have call predecessors, (1000), 538 states have call successors, (1000) [2022-07-22 00:39:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 5238 transitions. [2022-07-22 00:39:55,702 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 5238 transitions. Word has length 847 [2022-07-22 00:39:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:39:55,703 INFO L495 AbstractCegarLoop]: Abstraction has 4325 states and 5238 transitions. [2022-07-22 00:39:55,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.96875) internal successors, (127), 30 states have internal predecessors, (127), 17 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 12 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-22 00:39:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 5238 transitions. [2022-07-22 00:39:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-07-22 00:39:55,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:39:55,710 INFO L195 NwaCegarLoop]: trace histogram [76, 75, 57, 33, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 26, 26, 24, 19, 16, 16, 15, 15, 15, 15, 15, 6, 6, 6, 6, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:39:55,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-07-22 00:39:55,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2022-07-22 00:39:55,916 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:39:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:39:55,916 INFO L85 PathProgramCache]: Analyzing trace with hash -789009950, now seen corresponding path program 15 times [2022-07-22 00:39:55,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:39:55,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066527883] [2022-07-22 00:39:55,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:39:55,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:39:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:39:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:39:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:39:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:39:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:39:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:39:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:39:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:39:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:39:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:39:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:39:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:39:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:39:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 00:39:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-22 00:39:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-22 00:39:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:39:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:39:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:39:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:39:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:39:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:39:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:39:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17614 backedges. 1871 proven. 276 refuted. 0 times theorem prover too weak. 15467 trivial. 0 not checked. [2022-07-22 00:39:56,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:39:56,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066527883] [2022-07-22 00:39:56,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066527883] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:39:56,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441058047] [2022-07-22 00:39:56,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 00:39:56,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:39:56,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:39:56,356 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:39:56,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-07-22 00:39:56,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-07-22 00:39:56,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:39:56,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1520 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-22 00:39:56,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:39:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 17614 backedges. 3173 proven. 155 refuted. 0 times theorem prover too weak. 14286 trivial. 0 not checked. [2022-07-22 00:39:56,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:39:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 17614 backedges. 3225 proven. 151 refuted. 0 times theorem prover too weak. 14238 trivial. 0 not checked. [2022-07-22 00:39:59,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441058047] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:39:59,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:39:59,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 13] total 32 [2022-07-22 00:39:59,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944401452] [2022-07-22 00:39:59,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:39:59,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-22 00:39:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:39:59,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-22 00:39:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2022-07-22 00:39:59,053 INFO L87 Difference]: Start difference. First operand 4325 states and 5238 transitions. Second operand has 32 states, 32 states have (on average 3.75) internal successors, (120), 30 states have internal predecessors, (120), 11 states have call successors, (16), 2 states have call predecessors, (16), 8 states have return successors, (25), 21 states have call predecessors, (25), 10 states have call successors, (25) [2022-07-22 00:40:01,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:40:01,121 INFO L93 Difference]: Finished difference Result 9938 states and 12830 transitions. [2022-07-22 00:40:01,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-07-22 00:40:01,121 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.75) internal successors, (120), 30 states have internal predecessors, (120), 11 states have call successors, (16), 2 states have call predecessors, (16), 8 states have return successors, (25), 21 states have call predecessors, (25), 10 states have call successors, (25) Word has length 785 [2022-07-22 00:40:01,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:40:01,146 INFO L225 Difference]: With dead ends: 9938 [2022-07-22 00:40:01,146 INFO L226 Difference]: Without dead ends: 6733 [2022-07-22 00:40:01,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1813 GetRequests, 1715 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2867 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1303, Invalid=8597, Unknown=0, NotChecked=0, Total=9900 [2022-07-22 00:40:01,159 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 295 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 00:40:01,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 317 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 00:40:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2022-07-22 00:40:01,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 5905. [2022-07-22 00:40:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5905 states, 4720 states have (on average 1.0639830508474577) internal successors, (5022), 4678 states have internal predecessors, (5022), 738 states have call successors, (738), 295 states have call predecessors, (738), 445 states have return successors, (1764), 931 states have call predecessors, (1764), 738 states have call successors, (1764) [2022-07-22 00:40:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5905 states to 5905 states and 7524 transitions. [2022-07-22 00:40:01,655 INFO L78 Accepts]: Start accepts. Automaton has 5905 states and 7524 transitions. Word has length 785 [2022-07-22 00:40:01,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:40:01,656 INFO L495 AbstractCegarLoop]: Abstraction has 5905 states and 7524 transitions. [2022-07-22 00:40:01,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.75) internal successors, (120), 30 states have internal predecessors, (120), 11 states have call successors, (16), 2 states have call predecessors, (16), 8 states have return successors, (25), 21 states have call predecessors, (25), 10 states have call successors, (25) [2022-07-22 00:40:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5905 states and 7524 transitions. [2022-07-22 00:40:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2022-07-22 00:40:01,664 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:40:01,665 INFO L195 NwaCegarLoop]: trace histogram [85, 82, 64, 38, 31, 31, 31, 31, 31, 31, 31, 31, 31, 29, 29, 28, 28, 26, 21, 16, 16, 15, 15, 15, 15, 15, 7, 7, 7, 7, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-07-22 00:40:01,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-07-22 00:40:01,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:40:01,865 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:40:01,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:40:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash 656176640, now seen corresponding path program 16 times [2022-07-22 00:40:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:40:01,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907102906] [2022-07-22 00:40:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:40:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:40:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:40:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:40:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:40:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:40:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:40:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:40:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:40:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:40:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:40:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:40:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:40:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:40:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:40:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:40:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 00:40:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:40:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:40:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-22 00:40:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2022-07-22 00:40:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-22 00:40:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-07-22 00:40:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:40:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:40:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:40:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:40:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:40:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 1597 proven. 485 refuted. 0 times theorem prover too weak. 19632 trivial. 0 not checked. [2022-07-22 00:40:02,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:40:02,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907102906] [2022-07-22 00:40:02,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907102906] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:40:02,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965669400] [2022-07-22 00:40:02,425 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 00:40:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:40:02,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:40:02,428 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:40:02,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-07-22 00:40:02,719 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 00:40:02,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:40:02,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-22 00:40:02,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:40:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 7853 proven. 1122 refuted. 0 times theorem prover too weak. 12739 trivial. 0 not checked. [2022-07-22 00:40:03,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:40:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21714 backedges. 2446 proven. 1802 refuted. 0 times theorem prover too weak. 17466 trivial. 0 not checked. [2022-07-22 00:40:04,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965669400] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:40:04,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:40:04,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 22] total 52 [2022-07-22 00:40:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721747095] [2022-07-22 00:40:04,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:40:04,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-07-22 00:40:04,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:40:04,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-07-22 00:40:04,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=2441, Unknown=0, NotChecked=0, Total=2652 [2022-07-22 00:40:04,651 INFO L87 Difference]: Start difference. First operand 5905 states and 7524 transitions. Second operand has 52 states, 52 states have (on average 4.673076923076923) internal successors, (243), 45 states have internal predecessors, (243), 30 states have call successors, (44), 11 states have call predecessors, (44), 11 states have return successors, (38), 22 states have call predecessors, (38), 29 states have call successors, (38) [2022-07-22 00:40:17,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:40:17,591 INFO L93 Difference]: Finished difference Result 23236 states and 34113 transitions. [2022-07-22 00:40:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-07-22 00:40:17,592 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.673076923076923) internal successors, (243), 45 states have internal predecessors, (243), 30 states have call successors, (44), 11 states have call predecessors, (44), 11 states have return successors, (38), 22 states have call predecessors, (38), 29 states have call successors, (38) Word has length 865 [2022-07-22 00:40:17,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:40:17,662 INFO L225 Difference]: With dead ends: 23236 [2022-07-22 00:40:17,663 INFO L226 Difference]: Without dead ends: 18413 [2022-07-22 00:40:17,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2187 GetRequests, 1921 SyntacticMatches, 0 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26462 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=9872, Invalid=61684, Unknown=0, NotChecked=0, Total=71556 [2022-07-22 00:40:17,696 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 3137 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 8443 mSolverCounterSat, 3996 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 12439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3996 IncrementalHoareTripleChecker+Valid, 8443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-22 00:40:17,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3141 Valid, 1972 Invalid, 12439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3996 Valid, 8443 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-22 00:40:17,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18413 states. [2022-07-22 00:40:18,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18413 to 14110. [2022-07-22 00:40:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14110 states, 11272 states have (on average 1.0557132718239886) internal successors, (11900), 11080 states have internal predecessors, (11900), 1687 states have call successors, (1687), 586 states have call predecessors, (1687), 1149 states have return successors, (5675), 2443 states have call predecessors, (5675), 1687 states have call successors, (5675) [2022-07-22 00:40:18,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14110 states to 14110 states and 19262 transitions. [2022-07-22 00:40:18,676 INFO L78 Accepts]: Start accepts. Automaton has 14110 states and 19262 transitions. Word has length 865 [2022-07-22 00:40:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:40:18,677 INFO L495 AbstractCegarLoop]: Abstraction has 14110 states and 19262 transitions. [2022-07-22 00:40:18,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.673076923076923) internal successors, (243), 45 states have internal predecessors, (243), 30 states have call successors, (44), 11 states have call predecessors, (44), 11 states have return successors, (38), 22 states have call predecessors, (38), 29 states have call successors, (38) [2022-07-22 00:40:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14110 states and 19262 transitions. [2022-07-22 00:40:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2022-07-22 00:40:18,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:40:18,687 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1, 1, 1, 1] [2022-07-22 00:40:18,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2022-07-22 00:40:18,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:40:18,888 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:40:18,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:40:18,888 INFO L85 PathProgramCache]: Analyzing trace with hash -274592780, now seen corresponding path program 6 times [2022-07-22 00:40:18,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:40:18,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183677976] [2022-07-22 00:40:18,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:40:18,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:40:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:40:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:40:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:40:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:40:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 00:40:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:40:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 00:40:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 00:40:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-22 00:40:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 00:40:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 00:40:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 00:40:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 00:40:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 00:40:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-22 00:40:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-22 00:40:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-22 00:40:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:40:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-22 00:40:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-22 00:40:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-22 00:40:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-22 00:40:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-22 00:40:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-22 00:40:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-22 00:40:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-22 00:40:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-22 00:40:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-22 00:40:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-22 00:40:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-22 00:40:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-22 00:40:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-22 00:40:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-22 00:40:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-22 00:40:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-22 00:40:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-22 00:40:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-22 00:40:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-22 00:40:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-22 00:40:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:40:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-22 00:40:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-22 00:40:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-22 00:40:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-22 00:40:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-22 00:40:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-22 00:40:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-22 00:40:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-22 00:40:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-22 00:40:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-22 00:40:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-22 00:40:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-22 00:40:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-22 00:40:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-22 00:40:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-22 00:40:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-22 00:40:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-22 00:40:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-22 00:40:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-22 00:40:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-22 00:40:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-22 00:40:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-07-22 00:40:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2022-07-22 00:40:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-07-22 00:40:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2022-07-22 00:40:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-07-22 00:40:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-07-22 00:40:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-22 00:40:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-22 00:40:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-07-22 00:40:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2022-07-22 00:40:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2022-07-22 00:40:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2022-07-22 00:40:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2022-07-22 00:40:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2022-07-22 00:40:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2022-07-22 00:40:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 766 [2022-07-22 00:40:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2022-07-22 00:40:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2022-07-22 00:40:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2022-07-22 00:40:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2022-07-22 00:40:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2022-07-22 00:40:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2022-07-22 00:40:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2022-07-22 00:40:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2022-07-22 00:40:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2022-07-22 00:40:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-07-22 00:40:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2022-07-22 00:40:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2022-07-22 00:40:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2022-07-22 00:40:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2022-07-22 00:40:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2022-07-22 00:40:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2022-07-22 00:40:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2022-07-22 00:40:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2022-07-22 00:40:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:40:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 44556 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2022-07-22 00:40:28,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:40:28,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183677976] [2022-07-22 00:40:28,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183677976] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:40:28,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105428980] [2022-07-22 00:40:28,258 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-22 00:40:28,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:40:28,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:40:28,260 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:40:28,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-07-22 00:40:28,902 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-07-22 00:40:28,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 00:40:28,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 191 conjunts are in the unsatisfiable core [2022-07-22 00:40:28,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 00:40:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 44556 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2022-07-22 00:40:29,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 00:40:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 44556 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2022-07-22 00:40:52,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105428980] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 00:40:52,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 00:40:52,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2022-07-22 00:40:52,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896367612] [2022-07-22 00:40:52,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 00:40:52,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2022-07-22 00:40:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 00:40:52,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2022-07-22 00:40:52,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2022-07-22 00:40:52,287 INFO L87 Difference]: Start difference. First operand 14110 states and 19262 transitions. Second operand has 382 states, 381 states have (on average 2.5118110236220472) internal successors, (957), 382 states have internal predecessors, (957), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-07-22 00:41:55,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 00:41:55,907 INFO L93 Difference]: Finished difference Result 51986 states and 98881 transitions. [2022-07-22 00:41:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2022-07-22 00:41:55,908 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 2.5118110236220472) internal successors, (957), 382 states have internal predecessors, (957), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) Word has length 954 [2022-07-22 00:41:55,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 00:41:56,155 INFO L225 Difference]: With dead ends: 51986 [2022-07-22 00:41:56,155 INFO L226 Difference]: Without dead ends: 51985 [2022-07-22 00:41:56,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2477 GetRequests, 1907 SyntacticMatches, 0 SemanticMatches, 570 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71254 ImplicationChecksByTransitivity, 45.7s TimeCoverageRelationStatistics Valid=91296, Invalid=235316, Unknown=0, NotChecked=0, Total=326612 [2022-07-22 00:41:56,199 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 6198 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6198 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-22 00:41:56,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6198 Valid, 3396 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-22 00:41:56,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51985 states. [2022-07-22 00:42:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51985 to 14686. [2022-07-22 00:42:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14686 states, 11752 states have (on average 1.0616065350578625) internal successors, (12476), 11560 states have internal predecessors, (12476), 1783 states have call successors, (1783), 586 states have call predecessors, (1783), 1149 states have return successors, (5771), 2539 states have call predecessors, (5771), 1783 states have call successors, (5771) [2022-07-22 00:42:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14686 states to 14686 states and 20030 transitions. [2022-07-22 00:42:01,365 INFO L78 Accepts]: Start accepts. Automaton has 14686 states and 20030 transitions. Word has length 954 [2022-07-22 00:42:01,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 00:42:01,366 INFO L495 AbstractCegarLoop]: Abstraction has 14686 states and 20030 transitions. [2022-07-22 00:42:01,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 2.5118110236220472) internal successors, (957), 382 states have internal predecessors, (957), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-07-22 00:42:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 14686 states and 20030 transitions. [2022-07-22 00:42:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1064 [2022-07-22 00:42:01,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 00:42:01,379 INFO L195 NwaCegarLoop]: trace histogram [102, 101, 79, 44, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 38, 38, 35, 23, 19, 19, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-07-22 00:42:01,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-07-22 00:42:01,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2022-07-22 00:42:01,579 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-07-22 00:42:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 00:42:01,580 INFO L85 PathProgramCache]: Analyzing trace with hash 480337857, now seen corresponding path program 17 times [2022-07-22 00:42:01,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 00:42:01,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341871518] [2022-07-22 00:42:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 00:42:01,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 00:42:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 00:42:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 00:42:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 00:42:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 00:42:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 00:42:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 00:42:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:42:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-22 00:42:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:42:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 00:42:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-22 00:42:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-22 00:42:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-22 00:42:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:42:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 00:42:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-22 00:42:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:42:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-22 00:42:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:42:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:42:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:42:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-22 00:42:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 00:42:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 00:42:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:42:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-22 00:42:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2022-07-22 00:42:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:42:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 840 [2022-07-22 00:42:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 00:42:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:42:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2022-07-22 00:42:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 00:42:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 00:42:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 00:42:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 00:42:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 00:42:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 32885 backedges. 1126 proven. 473 refuted. 0 times theorem prover too weak. 31286 trivial. 0 not checked. [2022-07-22 00:42:02,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 00:42:02,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341871518] [2022-07-22 00:42:02,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341871518] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 00:42:02,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354671014] [2022-07-22 00:42:02,170 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-22 00:42:02,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 00:42:02,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 00:42:02,172 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 00:42:02,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process