/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2018/Problem11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:51:27,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:51:27,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:51:27,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:51:27,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:51:27,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:51:27,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:51:27,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:51:27,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:51:27,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:51:27,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:51:27,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:51:27,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:51:27,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:51:27,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:51:27,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:51:27,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:51:27,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:51:27,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:51:27,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:51:27,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:51:27,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:51:27,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:51:27,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:51:27,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:51:28,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:51:28,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:51:28,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:51:28,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:51:28,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:51:28,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:51:28,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:51:28,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:51:28,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:51:28,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:51:28,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:51:28,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:51:28,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:51:28,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:51:28,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:51:28,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:51:28,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:51:28,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:51:28,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:51:28,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:51:28,083 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:51:28,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:51:28,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:51:28,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:51:28,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:51:28,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:51:28,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:51:28,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:51:28,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:51:28,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:51:28,086 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:51:28,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:51:28,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:51:28,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:51:28,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:51:28,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:51:28,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:51:28,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:51:28,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:51:28,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:51:28,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:51:28,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:51:28,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:51:28,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:51:28,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:51:28,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:51:28,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:51:28,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:51:28,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:51:28,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:51:28,497 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:51:28,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2018/Problem11.c [2022-10-16 11:51:28,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56093f1d5/47c2d7e5d4894033bb98dc37d66699aa/FLAGaf84eb7f8 [2022-10-16 11:51:29,596 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:51:29,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c [2022-10-16 11:51:29,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56093f1d5/47c2d7e5d4894033bb98dc37d66699aa/FLAGaf84eb7f8 [2022-10-16 11:51:30,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56093f1d5/47c2d7e5d4894033bb98dc37d66699aa [2022-10-16 11:51:30,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:51:30,146 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:51:30,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:51:30,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:51:30,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:51:30,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:51:30" (1/1) ... [2022-10-16 11:51:30,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66561ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:30, skipping insertion in model container [2022-10-16 11:51:30,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:51:30" (1/1) ... [2022-10-16 11:51:30,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:51:30,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:51:30,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2022-10-16 11:51:30,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2022-10-16 11:51:31,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:51:31,377 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:51:31,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2022-10-16 11:51:31,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2022-10-16 11:51:31,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:51:31,828 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:51:31,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31 WrapperNode [2022-10-16 11:51:31,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:51:31,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:51:31,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:51:31,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:51:31,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:31,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:33,168 INFO L138 Inliner]: procedures = 286, calls = 252, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 5784 [2022-10-16 11:51:33,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:51:33,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:51:33,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:51:33,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:51:33,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:33,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:33,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:33,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:33,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:33,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:34,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:34,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:34,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:51:34,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:51:34,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:51:34,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:51:34,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (1/1) ... [2022-10-16 11:51:34,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:51:34,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:51:34,583 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) [2022-10-16 11:51:34,603 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 [2022-10-16 11:51:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:51:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2022-10-16 11:51:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2022-10-16 11:51:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2022-10-16 11:51:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2022-10-16 11:51:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:51:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:51:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:51:34,833 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:51:34,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:52:14,721 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:52:14,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:52:14,763 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 11:52:14,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:52:14 BoogieIcfgContainer [2022-10-16 11:52:14,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:52:14,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:52:14,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:52:14,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:52:14,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:51:30" (1/3) ... [2022-10-16 11:52:14,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f66abc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:52:14, skipping insertion in model container [2022-10-16 11:52:14,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:51:31" (2/3) ... [2022-10-16 11:52:14,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f66abc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:52:14, skipping insertion in model container [2022-10-16 11:52:14,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:52:14" (3/3) ... [2022-10-16 11:52:14,791 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11.c [2022-10-16 11:52:14,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:52:14,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3524 error locations. [2022-10-16 11:52:15,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:52:15,029 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a97c48f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:52:15,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3524 error locations. [2022-10-16 11:52:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 7655 states, 4028 states have (on average 1.961767626613704) internal successors, (7902), 7552 states have internal predecessors, (7902), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-10-16 11:52:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 11:52:15,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:52:15,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:52:15,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:52:15,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:52:15,079 INFO L85 PathProgramCache]: Analyzing trace with hash 643039407, now seen corresponding path program 1 times [2022-10-16 11:52:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:52:15,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108060667] [2022-10-16 11:52:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:52:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:52:15,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:52:15,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108060667] [2022-10-16 11:52:15,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108060667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:52:15,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:52:15,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:52:15,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701345404] [2022-10-16 11:52:15,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:52:15,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:52:15,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:52:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:52:15,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:15,686 INFO L87 Difference]: Start difference. First operand has 7655 states, 4028 states have (on average 1.961767626613704) internal successors, (7902), 7552 states have internal predecessors, (7902), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:26,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:52:28,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:52:28,104 INFO L93 Difference]: Finished difference Result 17841 states and 21057 transitions. [2022-10-16 11:52:28,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:52:28,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 11:52:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:52:28,193 INFO L225 Difference]: With dead ends: 17841 [2022-10-16 11:52:28,194 INFO L226 Difference]: Without dead ends: 9978 [2022-10-16 11:52:28,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:28,229 INFO L413 NwaCegarLoop]: 6105 mSDtfsCounter, 4277 mSDsluCounter, 5524 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4277 SdHoareTripleChecker+Valid, 11629 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:52:28,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4277 Valid, 11629 Invalid, 1377 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 1364 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-10-16 11:52:28,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2022-10-16 11:52:28,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 7683. [2022-10-16 11:52:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7683 states, 5471 states have (on average 1.6238347651252056) internal successors, (8884), 7682 states have internal predecessors, (8884), 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) [2022-10-16 11:52:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7683 states to 7683 states and 8884 transitions. [2022-10-16 11:52:28,581 INFO L78 Accepts]: Start accepts. Automaton has 7683 states and 8884 transitions. Word has length 9 [2022-10-16 11:52:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:52:28,582 INFO L495 AbstractCegarLoop]: Abstraction has 7683 states and 8884 transitions. [2022-10-16 11:52:28,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 7683 states and 8884 transitions. [2022-10-16 11:52:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:52:28,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:52:28,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:52:28,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:52:28,585 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:52:28,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:52:28,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2082895024, now seen corresponding path program 1 times [2022-10-16 11:52:28,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:52:28,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99737570] [2022-10-16 11:52:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:28,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:52:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:28,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:52:28,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99737570] [2022-10-16 11:52:28,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-16 11:52:28,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910449671] [2022-10-16 11:52:28,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:28,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:52:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:52:28,655 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) [2022-10-16 11:52:28,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:52:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:28,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 11:52:28,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:52:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:52:28,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:52:28,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910449671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:52:28,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:52:28,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:52:28,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404116021] [2022-10-16 11:52:28,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:52:28,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:52:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:52:28,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:52:28,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:28,860 INFO L87 Difference]: Start difference. First operand 7683 states and 8884 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:52:29,509 INFO L93 Difference]: Finished difference Result 21314 states and 24691 transitions. [2022-10-16 11:52:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:52:29,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 11:52:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:52:29,589 INFO L225 Difference]: With dead ends: 21314 [2022-10-16 11:52:29,589 INFO L226 Difference]: Without dead ends: 13633 [2022-10-16 11:52:29,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:29,607 INFO L413 NwaCegarLoop]: 7328 mSDtfsCounter, 4877 mSDsluCounter, 6047 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4877 SdHoareTripleChecker+Valid, 13375 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 11:52:29,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4877 Valid, 13375 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 11:52:29,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13633 states. [2022-10-16 11:52:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13633 to 11591. [2022-10-16 11:52:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11591 states, 9379 states have (on average 1.6214948288730142) internal successors, (15208), 11590 states have internal predecessors, (15208), 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) [2022-10-16 11:52:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11591 states to 11591 states and 15208 transitions. [2022-10-16 11:52:29,978 INFO L78 Accepts]: Start accepts. Automaton has 11591 states and 15208 transitions. Word has length 10 [2022-10-16 11:52:29,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:52:29,979 INFO L495 AbstractCegarLoop]: Abstraction has 11591 states and 15208 transitions. [2022-10-16 11:52:29,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:29,980 INFO L276 IsEmpty]: Start isEmpty. Operand 11591 states and 15208 transitions. [2022-10-16 11:52:29,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 11:52:29,981 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:52:29,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:52:30,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 11:52:30,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:52:30,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr814ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:52:30,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:52:30,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1007429053, now seen corresponding path program 1 times [2022-10-16 11:52:30,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:52:30,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138565285] [2022-10-16 11:52:30,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:52:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:52:30,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:52:30,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138565285] [2022-10-16 11:52:30,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138565285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:52:30,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:52:30,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:52:30,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644109684] [2022-10-16 11:52:30,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:52:30,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:52:30,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:52:30,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:52:30,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:30,299 INFO L87 Difference]: Start difference. First operand 11591 states and 15208 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:49,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:52:49,603 INFO L93 Difference]: Finished difference Result 30682 states and 40607 transitions. [2022-10-16 11:52:49,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:52:49,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 11:52:49,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:52:49,682 INFO L225 Difference]: With dead ends: 30682 [2022-10-16 11:52:49,683 INFO L226 Difference]: Without dead ends: 19093 [2022-10-16 11:52:49,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:49,708 INFO L413 NwaCegarLoop]: 5423 mSDtfsCounter, 4886 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4886 SdHoareTripleChecker+Valid, 9619 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:52:49,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4886 Valid, 9619 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2022-10-16 11:52:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19093 states. [2022-10-16 11:52:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19093 to 15505. [2022-10-16 11:52:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15505 states, 13293 states have (on average 1.6357481381178063) internal successors, (21744), 15504 states have internal predecessors, (21744), 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) [2022-10-16 11:52:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15505 states to 15505 states and 21744 transitions. [2022-10-16 11:52:50,090 INFO L78 Accepts]: Start accepts. Automaton has 15505 states and 21744 transitions. Word has length 11 [2022-10-16 11:52:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:52:50,091 INFO L495 AbstractCegarLoop]: Abstraction has 15505 states and 21744 transitions. [2022-10-16 11:52:50,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 15505 states and 21744 transitions. [2022-10-16 11:52:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 11:52:50,093 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:52:50,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:52:50,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 11:52:50,094 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr676ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:52:50,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:52:50,095 INFO L85 PathProgramCache]: Analyzing trace with hash 857813546, now seen corresponding path program 1 times [2022-10-16 11:52:50,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:52:50,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371092749] [2022-10-16 11:52:50,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:50,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:52:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:52:50,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:52:50,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371092749] [2022-10-16 11:52:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371092749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:52:50,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:52:50,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:52:50,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947372278] [2022-10-16 11:52:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:52:50,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:52:50,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:52:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:52:50,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:50,231 INFO L87 Difference]: Start difference. First operand 15505 states and 21744 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-10-16 11:52:51,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:52:51,008 INFO L93 Difference]: Finished difference Result 37657 states and 53126 transitions. [2022-10-16 11:52:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:52:51,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 11:52:51,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:52:51,061 INFO L225 Difference]: With dead ends: 37657 [2022-10-16 11:52:51,062 INFO L226 Difference]: Without dead ends: 22154 [2022-10-16 11:52:51,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:51,085 INFO L413 NwaCegarLoop]: 6143 mSDtfsCounter, 1994 mSDsluCounter, 5841 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 11984 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 11:52:51,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1994 Valid, 11984 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 11:52:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22154 states. [2022-10-16 11:52:51,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22154 to 17605. [2022-10-16 11:52:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17605 states, 15394 states have (on average 1.6041314797973236) internal successors, (24694), 17604 states have internal predecessors, (24694), 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) [2022-10-16 11:52:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17605 states to 17605 states and 24694 transitions. [2022-10-16 11:52:51,477 INFO L78 Accepts]: Start accepts. Automaton has 17605 states and 24694 transitions. Word has length 12 [2022-10-16 11:52:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:52:51,477 INFO L495 AbstractCegarLoop]: Abstraction has 17605 states and 24694 transitions. [2022-10-16 11:52:51,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-10-16 11:52:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 17605 states and 24694 transitions. [2022-10-16 11:52:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:52:51,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:52:51,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:52:51,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 11:52:51,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1852ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:52:51,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:52:51,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1000953377, now seen corresponding path program 1 times [2022-10-16 11:52:51,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:52:51,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079504983] [2022-10-16 11:52:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:51,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:52:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:52:51,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:52:51,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079504983] [2022-10-16 11:52:51,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079504983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:52:51,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:52:51,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:52:51,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641230189] [2022-10-16 11:52:51,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:52:51,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:52:51,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:52:51,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:52:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:51,568 INFO L87 Difference]: Start difference. First operand 17605 states and 24694 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:54,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:52:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:52:56,639 INFO L93 Difference]: Finished difference Result 51857 states and 72676 transitions. [2022-10-16 11:52:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:52:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-16 11:52:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:52:56,719 INFO L225 Difference]: With dead ends: 51857 [2022-10-16 11:52:56,719 INFO L226 Difference]: Without dead ends: 34254 [2022-10-16 11:52:56,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:56,749 INFO L413 NwaCegarLoop]: 6221 mSDtfsCounter, 5975 mSDsluCounter, 6173 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5975 SdHoareTripleChecker+Valid, 12394 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:52:56,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5975 Valid, 12394 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 11:52:56,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34254 states. [2022-10-16 11:52:57,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34254 to 31217. [2022-10-16 11:52:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31217 states, 29006 states have (on average 1.5991863752327105) internal successors, (46386), 31216 states have internal predecessors, (46386), 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) [2022-10-16 11:52:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31217 states to 31217 states and 46386 transitions. [2022-10-16 11:52:57,536 INFO L78 Accepts]: Start accepts. Automaton has 31217 states and 46386 transitions. Word has length 14 [2022-10-16 11:52:57,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:52:57,536 INFO L495 AbstractCegarLoop]: Abstraction has 31217 states and 46386 transitions. [2022-10-16 11:52:57,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:52:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 31217 states and 46386 transitions. [2022-10-16 11:52:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:52:57,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:52:57,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:52:57,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 11:52:57,538 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1992ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:52:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:52:57,539 INFO L85 PathProgramCache]: Analyzing trace with hash -653644938, now seen corresponding path program 1 times [2022-10-16 11:52:57,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:52:57,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5013844] [2022-10-16 11:52:57,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:52:57,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:52:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:52:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:52:57,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:52:57,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5013844] [2022-10-16 11:52:57,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5013844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:52:57,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:52:57,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:52:57,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273108957] [2022-10-16 11:52:57,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:52:57,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:52:57,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:52:57,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:52:57,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:52:57,600 INFO L87 Difference]: Start difference. First operand 31217 states and 46386 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:00,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:53:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:02,305 INFO L93 Difference]: Finished difference Result 91510 states and 135726 transitions. [2022-10-16 11:53:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:53:02,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-16 11:53:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:02,944 INFO L225 Difference]: With dead ends: 91510 [2022-10-16 11:53:02,944 INFO L226 Difference]: Without dead ends: 60295 [2022-10-16 11:53:03,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:03,014 INFO L413 NwaCegarLoop]: 6225 mSDtfsCounter, 5904 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5904 SdHoareTripleChecker+Valid, 12419 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:03,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5904 Valid, 12419 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 11:53:03,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60295 states. [2022-10-16 11:53:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60295 to 57313. [2022-10-16 11:53:04,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57313 states, 55102 states have (on average 1.5935900693259772) internal successors, (87810), 57312 states have internal predecessors, (87810), 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) [2022-10-16 11:53:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57313 states to 57313 states and 87810 transitions. [2022-10-16 11:53:04,208 INFO L78 Accepts]: Start accepts. Automaton has 57313 states and 87810 transitions. Word has length 15 [2022-10-16 11:53:04,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:04,209 INFO L495 AbstractCegarLoop]: Abstraction has 57313 states and 87810 transitions. [2022-10-16 11:53:04,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 57313 states and 87810 transitions. [2022-10-16 11:53:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:53:04,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:04,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:04,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 11:53:04,216 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2344ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:04,217 INFO L85 PathProgramCache]: Analyzing trace with hash -503835503, now seen corresponding path program 1 times [2022-10-16 11:53:04,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:04,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104180751] [2022-10-16 11:53:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:04,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:04,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104180751] [2022-10-16 11:53:04,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104180751] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:04,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:04,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:53:04,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464080450] [2022-10-16 11:53:04,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:04,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:53:04,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:04,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:53:04,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:53:04,755 INFO L87 Difference]: Start difference. First operand 57313 states and 87810 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:22,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:53:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:23,344 INFO L93 Difference]: Finished difference Result 114782 states and 175783 transitions. [2022-10-16 11:53:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:53:23,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-16 11:53:23,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:23,450 INFO L225 Difference]: With dead ends: 114782 [2022-10-16 11:53:23,450 INFO L226 Difference]: Without dead ends: 57471 [2022-10-16 11:53:23,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:53:23,499 INFO L413 NwaCegarLoop]: 6166 mSDtfsCounter, 285 mSDsluCounter, 3622 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 9788 SdHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:23,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 9788 Invalid, 2810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2805 Invalid, 1 Unknown, 0 Unchecked, 17.9s Time] [2022-10-16 11:53:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57471 states. [2022-10-16 11:53:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57471 to 57434. [2022-10-16 11:53:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57434 states, 55223 states have (on average 1.5923618782029227) internal successors, (87935), 57433 states have internal predecessors, (87935), 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) [2022-10-16 11:53:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57434 states to 57434 states and 87935 transitions. [2022-10-16 11:53:24,793 INFO L78 Accepts]: Start accepts. Automaton has 57434 states and 87935 transitions. Word has length 15 [2022-10-16 11:53:24,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:24,794 INFO L495 AbstractCegarLoop]: Abstraction has 57434 states and 87935 transitions. [2022-10-16 11:53:24,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:24,794 INFO L276 IsEmpty]: Start isEmpty. Operand 57434 states and 87935 transitions. [2022-10-16 11:53:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:53:24,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:24,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:24,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 11:53:24,795 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2184ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1226902564, now seen corresponding path program 1 times [2022-10-16 11:53:24,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:24,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666360454] [2022-10-16 11:53:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:24,868 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:53:24,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385928681] [2022-10-16 11:53:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:24,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:53:24,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:53:24,884 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) [2022-10-16 11:53:24,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 11:53:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:25,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:53:25,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:53:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:25,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:53:25,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:25,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666360454] [2022-10-16 11:53:25,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:53:25,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385928681] [2022-10-16 11:53:25,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385928681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:25,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:25,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:53:25,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696396666] [2022-10-16 11:53:25,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:25,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:53:25,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:25,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:53:25,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:25,126 INFO L87 Difference]: Start difference. First operand 57434 states and 87935 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:27,202 INFO L93 Difference]: Finished difference Result 136922 states and 207728 transitions. [2022-10-16 11:53:27,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:53:27,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 11:53:27,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:27,484 INFO L225 Difference]: With dead ends: 136922 [2022-10-16 11:53:27,484 INFO L226 Difference]: Without dead ends: 79611 [2022-10-16 11:53:27,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:27,510 INFO L413 NwaCegarLoop]: 6789 mSDtfsCounter, 3348 mSDsluCounter, 4089 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 10878 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:27,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 10878 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 11:53:27,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79611 states. [2022-10-16 11:53:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79611 to 75776. [2022-10-16 11:53:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75776 states, 73577 states have (on average 1.5479293801051959) internal successors, (113892), 75775 states have internal predecessors, (113892), 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) [2022-10-16 11:53:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75776 states to 75776 states and 113892 transitions. [2022-10-16 11:53:29,124 INFO L78 Accepts]: Start accepts. Automaton has 75776 states and 113892 transitions. Word has length 16 [2022-10-16 11:53:29,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:29,124 INFO L495 AbstractCegarLoop]: Abstraction has 75776 states and 113892 transitions. [2022-10-16 11:53:29,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 75776 states and 113892 transitions. [2022-10-16 11:53:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 11:53:29,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:29,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:29,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:53:29,327 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,SelfDestructingSolverStorable7 [2022-10-16 11:53:29,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2262ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:29,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:29,329 INFO L85 PathProgramCache]: Analyzing trace with hash -620563968, now seen corresponding path program 1 times [2022-10-16 11:53:29,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:29,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051878205] [2022-10-16 11:53:29,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:29,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:29,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:29,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051878205] [2022-10-16 11:53:29,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051878205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:29,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:29,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:53:29,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636012265] [2022-10-16 11:53:29,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:29,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:53:29,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:29,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:53:29,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:29,406 INFO L87 Difference]: Start difference. First operand 75776 states and 113892 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:30,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:30,510 INFO L93 Difference]: Finished difference Result 207420 states and 311003 transitions. [2022-10-16 11:53:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:53:30,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-16 11:53:30,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:30,956 INFO L225 Difference]: With dead ends: 207420 [2022-10-16 11:53:30,957 INFO L226 Difference]: Without dead ends: 131767 [2022-10-16 11:53:30,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:30,997 INFO L413 NwaCegarLoop]: 6570 mSDtfsCounter, 5977 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5977 SdHoareTripleChecker+Valid, 12798 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:30,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5977 Valid, 12798 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:53:31,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131767 states. [2022-10-16 11:53:32,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131767 to 129508. [2022-10-16 11:53:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129508 states, 127309 states have (on average 1.5455623718668752) internal successors, (196764), 129507 states have internal predecessors, (196764), 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) [2022-10-16 11:53:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129508 states to 129508 states and 196764 transitions. [2022-10-16 11:53:33,405 INFO L78 Accepts]: Start accepts. Automaton has 129508 states and 196764 transitions. Word has length 17 [2022-10-16 11:53:33,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:33,406 INFO L495 AbstractCegarLoop]: Abstraction has 129508 states and 196764 transitions. [2022-10-16 11:53:33,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 129508 states and 196764 transitions. [2022-10-16 11:53:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 11:53:33,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:33,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:33,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 11:53:33,407 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2264ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:33,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:33,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1676550515, now seen corresponding path program 1 times [2022-10-16 11:53:33,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:33,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770612621] [2022-10-16 11:53:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:33,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:33,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:33,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770612621] [2022-10-16 11:53:33,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770612621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:33,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:33,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:53:33,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478850293] [2022-10-16 11:53:33,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:33,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:53:33,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:33,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:53:33,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:53:33,531 INFO L87 Difference]: Start difference. First operand 129508 states and 196764 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-10-16 11:53:34,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:34,479 INFO L93 Difference]: Finished difference Result 131767 states and 197034 transitions. [2022-10-16 11:53:34,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:53:34,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-16 11:53:34,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:34,654 INFO L225 Difference]: With dead ends: 131767 [2022-10-16 11:53:34,655 INFO L226 Difference]: Without dead ends: 131765 [2022-10-16 11:53:34,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:53:34,680 INFO L413 NwaCegarLoop]: 6572 mSDtfsCounter, 5974 mSDsluCounter, 12192 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5974 SdHoareTripleChecker+Valid, 18764 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:34,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5974 Valid, 18764 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:53:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131765 states. [2022-10-16 11:53:36,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131765 to 129520. [2022-10-16 11:53:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129520 states, 127321 states have (on average 1.5455109526315376) internal successors, (196776), 129519 states have internal predecessors, (196776), 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) [2022-10-16 11:53:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129520 states to 129520 states and 196776 transitions. [2022-10-16 11:53:37,185 INFO L78 Accepts]: Start accepts. Automaton has 129520 states and 196776 transitions. Word has length 20 [2022-10-16 11:53:37,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:37,186 INFO L495 AbstractCegarLoop]: Abstraction has 129520 states and 196776 transitions. [2022-10-16 11:53:37,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-10-16 11:53:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 129520 states and 196776 transitions. [2022-10-16 11:53:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 11:53:37,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:37,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:37,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:53:37,188 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2188ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:37,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:37,188 INFO L85 PathProgramCache]: Analyzing trace with hash -2057677912, now seen corresponding path program 1 times [2022-10-16 11:53:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:37,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860540316] [2022-10-16 11:53:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:37,225 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:53:37,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419339807] [2022-10-16 11:53:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:37,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:53:37,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:53:37,238 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) [2022-10-16 11:53:37,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 11:53:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:37,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:53:37,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:53:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:37,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:53:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:37,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860540316] [2022-10-16 11:53:37,529 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:53:37,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419339807] [2022-10-16 11:53:37,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419339807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:37,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:37,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:53:37,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206276353] [2022-10-16 11:53:37,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:37,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:53:37,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:37,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:53:37,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:37,532 INFO L87 Difference]: Start difference. First operand 129520 states and 196776 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-10-16 11:53:41,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:41,433 INFO L93 Difference]: Finished difference Result 347040 states and 526171 transitions. [2022-10-16 11:53:41,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:53:41,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-16 11:53:41,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:41,846 INFO L225 Difference]: With dead ends: 347040 [2022-10-16 11:53:41,846 INFO L226 Difference]: Without dead ends: 217643 [2022-10-16 11:53:41,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:41,895 INFO L413 NwaCegarLoop]: 8382 mSDtfsCounter, 2999 mSDsluCounter, 5098 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2999 SdHoareTripleChecker+Valid, 13480 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:41,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2999 Valid, 13480 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 11:53:42,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217643 states. [2022-10-16 11:53:44,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217643 to 206816. [2022-10-16 11:53:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206816 states, 204626 states have (on average 1.5161074350278068) internal successors, (310235), 206815 states have internal predecessors, (310235), 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) [2022-10-16 11:53:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206816 states to 206816 states and 310235 transitions. [2022-10-16 11:53:46,203 INFO L78 Accepts]: Start accepts. Automaton has 206816 states and 310235 transitions. Word has length 20 [2022-10-16 11:53:46,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:46,204 INFO L495 AbstractCegarLoop]: Abstraction has 206816 states and 310235 transitions. [2022-10-16 11:53:46,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2022-10-16 11:53:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 206816 states and 310235 transitions. [2022-10-16 11:53:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 11:53:46,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:46,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:46,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 11:53:46,406 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 [2022-10-16 11:53:46,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2266ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:46,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:46,408 INFO L85 PathProgramCache]: Analyzing trace with hash -552135281, now seen corresponding path program 1 times [2022-10-16 11:53:46,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:46,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423306788] [2022-10-16 11:53:46,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:46,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:46,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:46,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423306788] [2022-10-16 11:53:46,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423306788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:46,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:46,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:53:46,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881458446] [2022-10-16 11:53:46,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:46,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:53:46,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:46,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:53:46,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:46,523 INFO L87 Difference]: Start difference. First operand 206816 states and 310235 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:50,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:53:50,573 INFO L93 Difference]: Finished difference Result 496386 states and 729275 transitions. [2022-10-16 11:53:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:53:50,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 11:53:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:53:51,088 INFO L225 Difference]: With dead ends: 496386 [2022-10-16 11:53:51,088 INFO L226 Difference]: Without dead ends: 289693 [2022-10-16 11:53:51,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:51,186 INFO L413 NwaCegarLoop]: 6706 mSDtfsCounter, 4450 mSDsluCounter, 3846 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4450 SdHoareTripleChecker+Valid, 10552 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:53:51,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4450 Valid, 10552 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 11:53:51,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289693 states. [2022-10-16 11:53:55,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289693 to 285751. [2022-10-16 11:53:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285751 states, 283577 states have (on average 1.4530162883449644) internal successors, (412042), 285750 states have internal predecessors, (412042), 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) [2022-10-16 11:53:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285751 states to 285751 states and 412042 transitions. [2022-10-16 11:53:56,906 INFO L78 Accepts]: Start accepts. Automaton has 285751 states and 412042 transitions. Word has length 22 [2022-10-16 11:53:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:53:56,907 INFO L495 AbstractCegarLoop]: Abstraction has 285751 states and 412042 transitions. [2022-10-16 11:53:56,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:53:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 285751 states and 412042 transitions. [2022-10-16 11:53:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:53:56,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:53:56,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:53:56,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 11:53:56,908 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2268ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:53:56,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:53:56,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1974113425, now seen corresponding path program 1 times [2022-10-16 11:53:56,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:53:56,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178029316] [2022-10-16 11:53:56,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:56,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:53:56,940 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:53:56,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1357836365] [2022-10-16 11:53:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:53:56,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:53:56,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:53:56,946 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) [2022-10-16 11:53:56,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 11:53:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:53:57,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:53:57,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:53:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:53:57,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:53:57,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:53:57,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178029316] [2022-10-16 11:53:57,201 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:53:57,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357836365] [2022-10-16 11:53:57,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357836365] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:53:57,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:53:57,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:53:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820900677] [2022-10-16 11:53:57,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:53:57,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:53:57,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:53:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:53:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:53:57,203 INFO L87 Difference]: Start difference. First operand 285751 states and 412042 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:54:04,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:54:10,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:54:15,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:54:16,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:54:16,428 INFO L93 Difference]: Finished difference Result 285884 states and 412175 transitions. [2022-10-16 11:54:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:54:16,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 11:54:16,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:54:16,835 INFO L225 Difference]: With dead ends: 285884 [2022-10-16 11:54:16,835 INFO L226 Difference]: Without dead ends: 285883 [2022-10-16 11:54:16,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:54:16,884 INFO L413 NwaCegarLoop]: 6201 mSDtfsCounter, 234 mSDsluCounter, 5108 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 11309 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:54:16,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 11309 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1181 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2022-10-16 11:54:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285883 states. [2022-10-16 11:54:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285883 to 285759. [2022-10-16 11:54:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285759 states, 283585 states have (on average 1.4530035086482007) internal successors, (412050), 285758 states have internal predecessors, (412050), 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) [2022-10-16 11:54:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285759 states to 285759 states and 412050 transitions. [2022-10-16 11:54:23,851 INFO L78 Accepts]: Start accepts. Automaton has 285759 states and 412050 transitions. Word has length 24 [2022-10-16 11:54:23,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:54:23,851 INFO L495 AbstractCegarLoop]: Abstraction has 285759 states and 412050 transitions. [2022-10-16 11:54:23,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:54:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 285759 states and 412050 transitions. [2022-10-16 11:54:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:54:23,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:54:23,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:54:23,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 11:54:24,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:54:24,075 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2192ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:54:24,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:54:24,077 INFO L85 PathProgramCache]: Analyzing trace with hash -320865492, now seen corresponding path program 1 times [2022-10-16 11:54:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:54:24,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353996314] [2022-10-16 11:54:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:54:24,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:54:24,119 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:54:24,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449023518] [2022-10-16 11:54:24,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:54:24,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:54:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:54:24,135 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) [2022-10-16 11:54:24,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 11:54:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:54:24,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:54:24,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:54:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:54:24,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:54:24,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:54:24,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353996314] [2022-10-16 11:54:24,412 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:54:24,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449023518] [2022-10-16 11:54:24,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449023518] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:54:24,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:54:24,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:54:24,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746292645] [2022-10-16 11:54:24,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:54:24,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:54:24,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:54:24,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:54:24,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:54:24,414 INFO L87 Difference]: Start difference. First operand 285759 states and 412050 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:54:44,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:54:44,481 INFO L93 Difference]: Finished difference Result 285970 states and 412261 transitions. [2022-10-16 11:54:44,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:54:44,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 11:54:44,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:54:44,936 INFO L225 Difference]: With dead ends: 285970 [2022-10-16 11:54:44,936 INFO L226 Difference]: Without dead ends: 285963 [2022-10-16 11:54:44,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:54:44,976 INFO L413 NwaCegarLoop]: 6124 mSDtfsCounter, 314 mSDsluCounter, 5120 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 11244 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-10-16 11:54:44,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 11244 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-10-16 11:54:45,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285963 states. [2022-10-16 11:54:48,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285963 to 285813. [2022-10-16 11:54:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285813 states, 283639 states have (on average 1.4529771998914112) internal successors, (412121), 285812 states have internal predecessors, (412121), 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) [2022-10-16 11:54:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285813 states to 285813 states and 412121 transitions. [2022-10-16 11:54:50,309 INFO L78 Accepts]: Start accepts. Automaton has 285813 states and 412121 transitions. Word has length 24 [2022-10-16 11:54:50,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:54:50,310 INFO L495 AbstractCegarLoop]: Abstraction has 285813 states and 412121 transitions. [2022-10-16 11:54:50,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:54:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 285813 states and 412121 transitions. [2022-10-16 11:54:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 11:54:50,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:54:50,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:54:50,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 11:54:50,518 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,SelfDestructingSolverStorable13 [2022-10-16 11:54:50,518 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2269ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3521 more)] === [2022-10-16 11:54:50,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:54:50,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1067979465, now seen corresponding path program 1 times [2022-10-16 11:54:50,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:54:50,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976037546] [2022-10-16 11:54:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:54:50,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:54:50,538 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:54:50,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428791380] [2022-10-16 11:54:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:54:50,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:54:50,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:54:50,540 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) [2022-10-16 11:54:50,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 11:54:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:54:50,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:54:50,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:54:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:54:50,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:54:50,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:54:50,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976037546] [2022-10-16 11:54:50,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:54:50,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428791380] [2022-10-16 11:54:50,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428791380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:54:50,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:54:50,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 11:54:50,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51873559] [2022-10-16 11:54:50,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:54:50,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:54:50,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:54:50,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:54:50,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:54:50,748 INFO L87 Difference]: Start difference. First operand 285813 states and 412121 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:54:58,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:55:07,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-16 11:55:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:55:08,214 INFO L93 Difference]: Finished difference Result 285876 states and 412167 transitions. [2022-10-16 11:55:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:55:08,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 11:55:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:55:08,660 INFO L225 Difference]: With dead ends: 285876 [2022-10-16 11:55:08,660 INFO L226 Difference]: Without dead ends: 285875 [2022-10-16 11:55:08,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:55:08,698 INFO L413 NwaCegarLoop]: 6202 mSDtfsCounter, 225 mSDsluCounter, 5108 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 11310 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-10-16 11:55:08,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 11310 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1181 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time]