/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/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:04:59,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:04:59,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:04:59,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:04:59,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:04:59,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:04:59,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:04:59,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:04:59,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:04:59,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:04:59,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:04:59,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:04:59,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:04:59,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:04:59,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:04:59,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:04:59,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:04:59,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:04:59,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:04:59,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:04:59,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:04:59,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:04:59,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:04:59,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:04:59,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:04:59,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:04:59,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:04:59,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:04:59,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:04:59,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:04:59,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:04:59,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:04:59,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:04:59,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:04:59,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:04:59,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:04:59,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:04:59,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:04:59,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:04:59,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:04:59,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:04:59,163 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 15:04:59,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:04:59,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:04:59,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:04:59,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:04:59,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:04:59,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:04:59,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:04:59,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:04:59,194 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:04:59,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:04:59,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:04:59,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:04:59,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:04:59,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:04:59,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:04:59,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:04:59,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:04:59,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:04:59,196 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:04:59,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:04:59,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:04:59,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:04:59,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:04:59,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:04:59,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:04:59,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:04:59,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:04:59,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:04:59,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:04:59,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:04:59,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:04:59,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:04:59,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:04:59,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:04:59,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:04:59,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:04:59,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:04:59,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:04:59,620 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:04:59,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:59,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1407413f/f6e50024193744eb8282e288a83b5a81/FLAG0ba4f3197 [2022-10-16 15:05:00,443 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:05:00,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:05:00,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1407413f/f6e50024193744eb8282e288a83b5a81/FLAG0ba4f3197 [2022-10-16 15:05:00,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1407413f/f6e50024193744eb8282e288a83b5a81 [2022-10-16 15:05:00,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:05:00,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:05:00,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:05:00,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:05:00,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:05:00,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:00" (1/1) ... [2022-10-16 15:05:00,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600fd344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:00, skipping insertion in model container [2022-10-16 15:05:00,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:00" (1/1) ... [2022-10-16 15:05:00,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:05:00,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:05:01,148 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/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c[28368,28381] [2022-10-16 15:05:01,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:05:01,172 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:05:01,278 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/seq-mthreaded/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c[28368,28381] [2022-10-16 15:05:01,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:05:01,300 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:05:01,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01 WrapperNode [2022-10-16 15:05:01,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:05:01,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:05:01,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:05:01,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:05:01,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,403 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 998 [2022-10-16 15:05:01,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:05:01,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:05:01,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:05:01,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:05:01,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:05:01,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:05:01,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:05:01,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:05:01,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (1/1) ... [2022-10-16 15:05:01,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:05:01,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:05:01,642 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 15:05:01,669 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 15:05:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:05:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:05:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:05:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:05:01,899 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:05:01,902 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:05:03,107 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:05:03,121 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:05:03,122 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:05:03,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:05:03 BoogieIcfgContainer [2022-10-16 15:05:03,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:05:03,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:05:03,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:05:03,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:05:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:05:00" (1/3) ... [2022-10-16 15:05:03,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3492b9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:05:03, skipping insertion in model container [2022-10-16 15:05:03,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:01" (2/3) ... [2022-10-16 15:05:03,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3492b9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:05:03, skipping insertion in model container [2022-10-16 15:05:03,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:05:03" (3/3) ... [2022-10-16 15:05:03,136 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c [2022-10-16 15:05:03,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:05:03,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 15:05:03,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:05:03,245 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;@5ccbd0dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:05:03,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 15:05:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 352 states have (on average 1.8323863636363635) internal successors, (645), 398 states have internal predecessors, (645), 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 15:05:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:05:03,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:03,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:03,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:03,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:03,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1033662193, now seen corresponding path program 1 times [2022-10-16 15:05:03,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:03,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824363982] [2022-10-16 15:05:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:03,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:03,732 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 15:05:03,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:03,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824363982] [2022-10-16 15:05:03,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824363982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:03,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:03,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:05:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352814447] [2022-10-16 15:05:03,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:03,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:05:03,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:03,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:05:03,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:05:03,798 INFO L87 Difference]: Start difference. First operand has 399 states, 352 states have (on average 1.8323863636363635) internal successors, (645), 398 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 15:05:03,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:03,896 INFO L93 Difference]: Finished difference Result 595 states and 933 transitions. [2022-10-16 15:05:03,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:05:03,899 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 59 [2022-10-16 15:05:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:03,925 INFO L225 Difference]: With dead ends: 595 [2022-10-16 15:05:03,926 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 15:05:03,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:05:03,939 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:03,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:03,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 15:05:04,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2022-10-16 15:05:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 348 states have (on average 1.8074712643678161) internal successors, (629), 385 states have internal predecessors, (629), 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 15:05:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 629 transitions. [2022-10-16 15:05:04,028 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 629 transitions. Word has length 59 [2022-10-16 15:05:04,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:04,029 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 629 transitions. [2022-10-16 15:05:04,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 15:05:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 629 transitions. [2022-10-16 15:05:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:05:04,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:04,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:04,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:05:04,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:04,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:04,037 INFO L85 PathProgramCache]: Analyzing trace with hash 404062639, now seen corresponding path program 1 times [2022-10-16 15:05:04,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:04,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202309258] [2022-10-16 15:05:04,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:04,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:04,510 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 15:05:04,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:04,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202309258] [2022-10-16 15:05:04,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202309258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:04,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:04,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:05:04,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929491426] [2022-10-16 15:05:04,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:04,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:05:04,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:04,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:05:04,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:04,516 INFO L87 Difference]: Start difference. First operand 386 states and 629 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 15:05:04,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:04,691 INFO L93 Difference]: Finished difference Result 584 states and 908 transitions. [2022-10-16 15:05:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:05:04,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 73 [2022-10-16 15:05:04,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:04,701 INFO L225 Difference]: With dead ends: 584 [2022-10-16 15:05:04,701 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 15:05:04,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:05:04,707 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 3 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:04,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2463 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:05:04,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 15:05:04,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2022-10-16 15:05:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 348 states have (on average 1.6867816091954022) internal successors, (587), 385 states have internal predecessors, (587), 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 15:05:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 587 transitions. [2022-10-16 15:05:04,774 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 587 transitions. Word has length 73 [2022-10-16 15:05:04,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:04,775 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 587 transitions. [2022-10-16 15:05:04,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 15:05:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 587 transitions. [2022-10-16 15:05:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:05:04,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:04,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:04,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:05:04,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:04,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:04,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1451701943, now seen corresponding path program 1 times [2022-10-16 15:05:04,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:04,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975973989] [2022-10-16 15:05:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:04,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:05,143 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 15:05:05,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:05,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975973989] [2022-10-16 15:05:05,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975973989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:05,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:05,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:05,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028846159] [2022-10-16 15:05:05,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:05,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:05,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:05,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:05,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:05,152 INFO L87 Difference]: Start difference. First operand 386 states and 587 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 15:05:05,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:05,224 INFO L93 Difference]: Finished difference Result 739 states and 1092 transitions. [2022-10-16 15:05:05,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:05,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 114 [2022-10-16 15:05:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:05,234 INFO L225 Difference]: With dead ends: 739 [2022-10-16 15:05:05,235 INFO L226 Difference]: Without dead ends: 545 [2022-10-16 15:05:05,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:05,247 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 221 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:05,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1131 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2022-10-16 15:05:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 517. [2022-10-16 15:05:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 479 states have (on average 1.6889352818371608) internal successors, (809), 516 states have internal predecessors, (809), 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 15:05:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 809 transitions. [2022-10-16 15:05:05,298 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 809 transitions. Word has length 114 [2022-10-16 15:05:05,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:05,298 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 809 transitions. [2022-10-16 15:05:05,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 15:05:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 809 transitions. [2022-10-16 15:05:05,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:05:05,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:05,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:05,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:05:05,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:05,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:05,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1090417583, now seen corresponding path program 1 times [2022-10-16 15:05:05,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:05,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470855368] [2022-10-16 15:05:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:05,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:05,527 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 15:05:05,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:05,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470855368] [2022-10-16 15:05:05,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470855368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:05,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:05,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:05,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855914885] [2022-10-16 15:05:05,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:05,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:05,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:05,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:05,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:05,531 INFO L87 Difference]: Start difference. First operand 517 states and 809 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 15:05:05,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:05,591 INFO L93 Difference]: Finished difference Result 1149 states and 1769 transitions. [2022-10-16 15:05:05,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:05,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 117 [2022-10-16 15:05:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:05,600 INFO L225 Difference]: With dead ends: 1149 [2022-10-16 15:05:05,601 INFO L226 Difference]: Without dead ends: 824 [2022-10-16 15:05:05,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:05,615 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 246 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:05,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1127 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:05,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2022-10-16 15:05:05,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 782. [2022-10-16 15:05:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 744 states have (on average 1.6989247311827957) internal successors, (1264), 781 states have internal predecessors, (1264), 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 15:05:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1264 transitions. [2022-10-16 15:05:05,666 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1264 transitions. Word has length 117 [2022-10-16 15:05:05,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:05,668 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1264 transitions. [2022-10-16 15:05:05,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 15:05:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1264 transitions. [2022-10-16 15:05:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:05:05,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:05,673 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:05,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:05:05,674 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:05,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:05,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1551377924, now seen corresponding path program 1 times [2022-10-16 15:05:05,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:05,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140625845] [2022-10-16 15:05:05,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:05,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:05,924 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 15:05:05,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:05,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140625845] [2022-10-16 15:05:05,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140625845] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:05,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:05,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:05,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896553494] [2022-10-16 15:05:05,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:05,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:05,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:05,929 INFO L87 Difference]: Start difference. First operand 782 states and 1264 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 15:05:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:06,011 INFO L93 Difference]: Finished difference Result 1926 states and 3100 transitions. [2022-10-16 15:05:06,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:06,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 120 [2022-10-16 15:05:06,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:06,028 INFO L225 Difference]: With dead ends: 1926 [2022-10-16 15:05:06,028 INFO L226 Difference]: Without dead ends: 1336 [2022-10-16 15:05:06,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:06,031 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 239 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:06,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1128 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:06,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2022-10-16 15:05:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1290. [2022-10-16 15:05:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1252 states have (on average 1.7028753993610224) internal successors, (2132), 1289 states have internal predecessors, (2132), 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 15:05:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 2132 transitions. [2022-10-16 15:05:06,106 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 2132 transitions. Word has length 120 [2022-10-16 15:05:06,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:06,106 INFO L495 AbstractCegarLoop]: Abstraction has 1290 states and 2132 transitions. [2022-10-16 15:05:06,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 15:05:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 2132 transitions. [2022-10-16 15:05:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:05:06,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:06,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:06,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:05:06,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:06,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:06,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1160820828, now seen corresponding path program 1 times [2022-10-16 15:05:06,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:06,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004141684] [2022-10-16 15:05:06,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:06,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:06,432 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 15:05:06,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:06,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004141684] [2022-10-16 15:05:06,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004141684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:06,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:06,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:06,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756926062] [2022-10-16 15:05:06,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:06,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:06,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:06,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:06,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:06,436 INFO L87 Difference]: Start difference. First operand 1290 states and 2132 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 15:05:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:06,546 INFO L93 Difference]: Finished difference Result 3414 states and 5636 transitions. [2022-10-16 15:05:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 123 [2022-10-16 15:05:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:06,564 INFO L225 Difference]: With dead ends: 3414 [2022-10-16 15:05:06,565 INFO L226 Difference]: Without dead ends: 2316 [2022-10-16 15:05:06,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:06,572 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 232 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:06,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1129 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:06,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-10-16 15:05:06,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2262. [2022-10-16 15:05:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2224 states have (on average 1.7014388489208634) internal successors, (3784), 2261 states have internal predecessors, (3784), 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 15:05:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3784 transitions. [2022-10-16 15:05:06,672 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3784 transitions. Word has length 123 [2022-10-16 15:05:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:06,673 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 3784 transitions. [2022-10-16 15:05:06,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 15:05:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3784 transitions. [2022-10-16 15:05:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:05:06,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:06,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:06,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:05:06,677 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:06,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:06,678 INFO L85 PathProgramCache]: Analyzing trace with hash 297940561, now seen corresponding path program 1 times [2022-10-16 15:05:06,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:06,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294171664] [2022-10-16 15:05:06,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:06,906 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 15:05:06,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:06,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294171664] [2022-10-16 15:05:06,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294171664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:06,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:06,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:05:06,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207919347] [2022-10-16 15:05:06,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:06,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:06,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:06,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:06,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:06,909 INFO L87 Difference]: Start difference. First operand 2262 states and 3784 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 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 15:05:07,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:07,134 INFO L93 Difference]: Finished difference Result 3893 states and 6536 transitions. [2022-10-16 15:05:07,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:07,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 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 126 [2022-10-16 15:05:07,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:07,159 INFO L225 Difference]: With dead ends: 3893 [2022-10-16 15:05:07,160 INFO L226 Difference]: Without dead ends: 3890 [2022-10-16 15:05:07,162 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 15:05:07,164 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 457 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:07,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 753 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:05:07,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-10-16 15:05:07,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3858. [2022-10-16 15:05:07,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3820 states have (on average 1.7005235602094242) internal successors, (6496), 3857 states have internal predecessors, (6496), 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 15:05:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 6496 transitions. [2022-10-16 15:05:07,359 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 6496 transitions. Word has length 126 [2022-10-16 15:05:07,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:07,360 INFO L495 AbstractCegarLoop]: Abstraction has 3858 states and 6496 transitions. [2022-10-16 15:05:07,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 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 15:05:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 6496 transitions. [2022-10-16 15:05:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:05:07,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:07,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:07,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:05:07,365 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:07,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 646224278, now seen corresponding path program 1 times [2022-10-16 15:05:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:07,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13918558] [2022-10-16 15:05:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:07,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:07,617 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 15:05:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:07,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13918558] [2022-10-16 15:05:07,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13918558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:07,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:07,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:05:07,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927631488] [2022-10-16 15:05:07,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:07,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:07,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:07,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:07,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:07,621 INFO L87 Difference]: Start difference. First operand 3858 states and 6496 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 15:05:07,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:07,944 INFO L93 Difference]: Finished difference Result 3893 states and 6496 transitions. [2022-10-16 15:05:07,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:07,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 127 [2022-10-16 15:05:07,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:07,969 INFO L225 Difference]: With dead ends: 3893 [2022-10-16 15:05:07,969 INFO L226 Difference]: Without dead ends: 3890 [2022-10-16 15:05:07,975 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 15:05:07,977 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 453 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:07,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 756 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-10-16 15:05:08,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3858. [2022-10-16 15:05:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3820 states have (on average 1.6900523560209424) internal successors, (6456), 3857 states have internal predecessors, (6456), 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 15:05:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 6456 transitions. [2022-10-16 15:05:08,164 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 6456 transitions. Word has length 127 [2022-10-16 15:05:08,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:08,165 INFO L495 AbstractCegarLoop]: Abstraction has 3858 states and 6456 transitions. [2022-10-16 15:05:08,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 15:05:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 6456 transitions. [2022-10-16 15:05:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:05:08,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:08,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:08,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:05:08,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:08,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:08,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1441882381, now seen corresponding path program 1 times [2022-10-16 15:05:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:08,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628243789] [2022-10-16 15:05:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:08,443 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 15:05:08,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:08,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628243789] [2022-10-16 15:05:08,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628243789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:08,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:08,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:05:08,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331378176] [2022-10-16 15:05:08,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:08,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:05:08,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:08,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:05:08,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:08,447 INFO L87 Difference]: Start difference. First operand 3858 states and 6456 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 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 15:05:08,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:08,942 INFO L93 Difference]: Finished difference Result 5597 states and 9252 transitions. [2022-10-16 15:05:08,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:05:08,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 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 128 [2022-10-16 15:05:08,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:08,974 INFO L225 Difference]: With dead ends: 5597 [2022-10-16 15:05:08,974 INFO L226 Difference]: Without dead ends: 5594 [2022-10-16 15:05:08,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:05:08,980 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 1556 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:08,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 2265 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:05:08,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2022-10-16 15:05:09,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 4918. [2022-10-16 15:05:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4918 states, 4880 states have (on average 1.6795081967213115) internal successors, (8196), 4917 states have internal predecessors, (8196), 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 15:05:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4918 states to 4918 states and 8196 transitions. [2022-10-16 15:05:09,305 INFO L78 Accepts]: Start accepts. Automaton has 4918 states and 8196 transitions. Word has length 128 [2022-10-16 15:05:09,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:09,305 INFO L495 AbstractCegarLoop]: Abstraction has 4918 states and 8196 transitions. [2022-10-16 15:05:09,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 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 15:05:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4918 states and 8196 transitions. [2022-10-16 15:05:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:05:09,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:09,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:09,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:05:09,314 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:09,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:09,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1748679368, now seen corresponding path program 1 times [2022-10-16 15:05:09,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:09,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575055690] [2022-10-16 15:05:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:09,587 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 15:05:09,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:09,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575055690] [2022-10-16 15:05:09,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575055690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:09,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:09,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:05:09,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864493768] [2022-10-16 15:05:09,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:09,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:05:09,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:05:09,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:09,595 INFO L87 Difference]: Start difference. First operand 4918 states and 8196 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:10,044 INFO L93 Difference]: Finished difference Result 6117 states and 10164 transitions. [2022-10-16 15:05:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:05:10,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 15:05:10,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:10,094 INFO L225 Difference]: With dead ends: 6117 [2022-10-16 15:05:10,094 INFO L226 Difference]: Without dead ends: 6111 [2022-10-16 15:05:10,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:05:10,099 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 1513 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:10,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 1917 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6111 states. [2022-10-16 15:05:10,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6111 to 6050. [2022-10-16 15:05:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6050 states, 6012 states have (on average 1.6739853626081171) internal successors, (10064), 6049 states have internal predecessors, (10064), 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 15:05:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6050 states to 6050 states and 10064 transitions. [2022-10-16 15:05:10,448 INFO L78 Accepts]: Start accepts. Automaton has 6050 states and 10064 transitions. Word has length 129 [2022-10-16 15:05:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:10,449 INFO L495 AbstractCegarLoop]: Abstraction has 6050 states and 10064 transitions. [2022-10-16 15:05:10,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:10,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6050 states and 10064 transitions. [2022-10-16 15:05:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:05:10,453 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:10,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:10,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:05:10,454 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:10,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1625515925, now seen corresponding path program 1 times [2022-10-16 15:05:10,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:10,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348730711] [2022-10-16 15:05:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:10,706 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 15:05:10,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:10,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348730711] [2022-10-16 15:05:10,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348730711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:10,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:10,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:05:10,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249089534] [2022-10-16 15:05:10,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:10,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:05:10,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:10,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:05:10,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:05:10,709 INFO L87 Difference]: Start difference. First operand 6050 states and 10064 transitions. Second operand has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 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 15:05:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:11,980 INFO L93 Difference]: Finished difference Result 18572 states and 30800 transitions. [2022-10-16 15:05:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:05:11,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 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 130 [2022-10-16 15:05:11,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:12,016 INFO L225 Difference]: With dead ends: 18572 [2022-10-16 15:05:12,016 INFO L226 Difference]: Without dead ends: 12714 [2022-10-16 15:05:12,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:05:12,029 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 2692 mSDsluCounter, 3438 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2692 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:12,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2692 Valid, 3975 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:05:12,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12714 states. [2022-10-16 15:05:12,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12714 to 10758. [2022-10-16 15:05:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10758 states, 10720 states have (on average 1.6625) internal successors, (17822), 10757 states have internal predecessors, (17822), 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 15:05:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10758 states to 10758 states and 17822 transitions. [2022-10-16 15:05:12,522 INFO L78 Accepts]: Start accepts. Automaton has 10758 states and 17822 transitions. Word has length 130 [2022-10-16 15:05:12,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:12,523 INFO L495 AbstractCegarLoop]: Abstraction has 10758 states and 17822 transitions. [2022-10-16 15:05:12,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 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 15:05:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 10758 states and 17822 transitions. [2022-10-16 15:05:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:05:12,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:12,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:12,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:05:12,530 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:12,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1198143046, now seen corresponding path program 1 times [2022-10-16 15:05:12,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:12,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222518486] [2022-10-16 15:05:12,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:12,642 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 15:05:12,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:12,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222518486] [2022-10-16 15:05:12,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222518486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:12,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:12,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:12,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088519619] [2022-10-16 15:05:12,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:12,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:12,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:12,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:12,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:12,645 INFO L87 Difference]: Start difference. First operand 10758 states and 17822 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 15:05:13,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:13,204 INFO L93 Difference]: Finished difference Result 23673 states and 39259 transitions. [2022-10-16 15:05:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:13,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2022-10-16 15:05:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:13,246 INFO L225 Difference]: With dead ends: 23673 [2022-10-16 15:05:13,247 INFO L226 Difference]: Without dead ends: 16632 [2022-10-16 15:05:13,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:13,262 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 244 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:13,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1336 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states. [2022-10-16 15:05:13,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 16594. [2022-10-16 15:05:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16594 states, 16556 states have (on average 1.660727228799227) internal successors, (27495), 16593 states have internal predecessors, (27495), 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 15:05:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16594 states to 16594 states and 27495 transitions. [2022-10-16 15:05:14,064 INFO L78 Accepts]: Start accepts. Automaton has 16594 states and 27495 transitions. Word has length 130 [2022-10-16 15:05:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:14,064 INFO L495 AbstractCegarLoop]: Abstraction has 16594 states and 27495 transitions. [2022-10-16 15:05:14,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 15:05:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 16594 states and 27495 transitions. [2022-10-16 15:05:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:05:14,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:14,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:14,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:05:14,071 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:14,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1089819528, now seen corresponding path program 1 times [2022-10-16 15:05:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:14,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138049050] [2022-10-16 15:05:14,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:14,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:14,192 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 15:05:14,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:14,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138049050] [2022-10-16 15:05:14,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138049050] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:14,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:14,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:14,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95752938] [2022-10-16 15:05:14,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:14,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:14,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:14,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:14,196 INFO L87 Difference]: Start difference. First operand 16594 states and 27495 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 15:05:15,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:15,376 INFO L93 Difference]: Finished difference Result 36006 states and 60207 transitions. [2022-10-16 15:05:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:15,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2022-10-16 15:05:15,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:15,442 INFO L225 Difference]: With dead ends: 36006 [2022-10-16 15:05:15,443 INFO L226 Difference]: Without dead ends: 25386 [2022-10-16 15:05:15,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:15,461 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 251 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:15,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1341 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:15,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25386 states. [2022-10-16 15:05:16,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25386 to 25348. [2022-10-16 15:05:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25348 states, 25310 states have (on average 1.6683524298696168) internal successors, (42226), 25347 states have internal predecessors, (42226), 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 15:05:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25348 states to 25348 states and 42226 transitions. [2022-10-16 15:05:16,540 INFO L78 Accepts]: Start accepts. Automaton has 25348 states and 42226 transitions. Word has length 130 [2022-10-16 15:05:16,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:16,540 INFO L495 AbstractCegarLoop]: Abstraction has 25348 states and 42226 transitions. [2022-10-16 15:05:16,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 15:05:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 25348 states and 42226 transitions. [2022-10-16 15:05:16,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:05:16,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:16,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:16,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:05:16,544 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:16,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:16,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1148612390, now seen corresponding path program 1 times [2022-10-16 15:05:16,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:16,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369669067] [2022-10-16 15:05:16,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:16,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:16,768 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 15:05:16,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:16,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369669067] [2022-10-16 15:05:16,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369669067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:16,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:16,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:05:16,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833922865] [2022-10-16 15:05:16,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:16,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:05:16,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:16,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:05:16,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:05:16,771 INFO L87 Difference]: Start difference. First operand 25348 states and 42226 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 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 15:05:18,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:18,475 INFO L93 Difference]: Finished difference Result 34758 states and 58047 transitions. [2022-10-16 15:05:18,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:05:18,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 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 131 [2022-10-16 15:05:18,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:18,572 INFO L225 Difference]: With dead ends: 34758 [2022-10-16 15:05:18,572 INFO L226 Difference]: Without dead ends: 34755 [2022-10-16 15:05:18,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:05:18,582 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 2953 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:18,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 2868 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:05:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34755 states. [2022-10-16 15:05:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34755 to 34613. [2022-10-16 15:05:20,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34613 states, 34575 states have (on average 1.6622125813449025) internal successors, (57471), 34612 states have internal predecessors, (57471), 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 15:05:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34613 states to 34613 states and 57471 transitions. [2022-10-16 15:05:20,122 INFO L78 Accepts]: Start accepts. Automaton has 34613 states and 57471 transitions. Word has length 131 [2022-10-16 15:05:20,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:20,122 INFO L495 AbstractCegarLoop]: Abstraction has 34613 states and 57471 transitions. [2022-10-16 15:05:20,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 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 15:05:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 34613 states and 57471 transitions. [2022-10-16 15:05:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:05:20,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:20,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:20,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:05:20,127 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:20,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:20,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1417548118, now seen corresponding path program 1 times [2022-10-16 15:05:20,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:20,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622764672] [2022-10-16 15:05:20,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:20,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:20,263 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 15:05:20,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:20,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622764672] [2022-10-16 15:05:20,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622764672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:20,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:20,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:20,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192068276] [2022-10-16 15:05:20,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:20,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:20,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:20,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:20,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:20,266 INFO L87 Difference]: Start difference. First operand 34613 states and 57471 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 15:05:22,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:22,038 INFO L93 Difference]: Finished difference Result 76692 states and 127281 transitions. [2022-10-16 15:05:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:22,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 132 [2022-10-16 15:05:22,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:22,159 INFO L225 Difference]: With dead ends: 76692 [2022-10-16 15:05:22,160 INFO L226 Difference]: Without dead ends: 53485 [2022-10-16 15:05:22,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:22,204 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 237 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:22,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1335 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53485 states. [2022-10-16 15:05:23,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53485 to 53447. [2022-10-16 15:05:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53447 states, 53409 states have (on average 1.6572113314235428) internal successors, (88510), 53446 states have internal predecessors, (88510), 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 15:05:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53447 states to 53447 states and 88510 transitions. [2022-10-16 15:05:24,326 INFO L78 Accepts]: Start accepts. Automaton has 53447 states and 88510 transitions. Word has length 132 [2022-10-16 15:05:24,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:24,327 INFO L495 AbstractCegarLoop]: Abstraction has 53447 states and 88510 transitions. [2022-10-16 15:05:24,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 15:05:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 53447 states and 88510 transitions. [2022-10-16 15:05:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 15:05:24,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:24,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:24,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:05:24,330 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:24,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:24,331 INFO L85 PathProgramCache]: Analyzing trace with hash -9864036, now seen corresponding path program 1 times [2022-10-16 15:05:24,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:24,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858982870] [2022-10-16 15:05:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:24,498 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 15:05:24,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:24,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858982870] [2022-10-16 15:05:24,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858982870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:24,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:24,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:24,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234693128] [2022-10-16 15:05:24,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:24,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:24,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:24,503 INFO L87 Difference]: Start difference. First operand 53447 states and 88510 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 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 15:05:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:27,387 INFO L93 Difference]: Finished difference Result 149351 states and 247806 transitions. [2022-10-16 15:05:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:05:27,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 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 133 [2022-10-16 15:05:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:27,870 INFO L225 Difference]: With dead ends: 149351 [2022-10-16 15:05:27,870 INFO L226 Difference]: Without dead ends: 96124 [2022-10-16 15:05:27,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:27,949 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 784 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:27,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1731 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:28,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96124 states. [2022-10-16 15:05:30,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96124 to 82001. [2022-10-16 15:05:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82001 states, 81963 states have (on average 1.6482071178458573) internal successors, (135092), 82000 states have internal predecessors, (135092), 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 15:05:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82001 states to 82001 states and 135092 transitions. [2022-10-16 15:05:31,138 INFO L78 Accepts]: Start accepts. Automaton has 82001 states and 135092 transitions. Word has length 133 [2022-10-16 15:05:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:31,139 INFO L495 AbstractCegarLoop]: Abstraction has 82001 states and 135092 transitions. [2022-10-16 15:05:31,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 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 15:05:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 82001 states and 135092 transitions. [2022-10-16 15:05:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:05:31,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:31,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:31,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:05:31,141 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:31,142 INFO L85 PathProgramCache]: Analyzing trace with hash -305783622, now seen corresponding path program 1 times [2022-10-16 15:05:31,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:31,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750776147] [2022-10-16 15:05:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:31,332 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 15:05:31,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:31,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750776147] [2022-10-16 15:05:31,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750776147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:31,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:31,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:31,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711852948] [2022-10-16 15:05:31,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:31,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:31,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:31,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:31,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:31,335 INFO L87 Difference]: Start difference. First operand 82001 states and 135092 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 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 15:05:34,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:34,115 INFO L93 Difference]: Finished difference Result 108534 states and 180282 transitions. [2022-10-16 15:05:34,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:05:34,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 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 134 [2022-10-16 15:05:34,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:34,452 INFO L225 Difference]: With dead ends: 108534 [2022-10-16 15:05:34,452 INFO L226 Difference]: Without dead ends: 108533 [2022-10-16 15:05:34,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:34,483 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 783 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:34,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1299 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:05:34,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108533 states. [2022-10-16 15:05:37,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108533 to 108383. [2022-10-16 15:05:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108383 states, 108345 states have (on average 1.6551848262494808) internal successors, (179331), 108382 states have internal predecessors, (179331), 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 15:05:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108383 states to 108383 states and 179331 transitions. [2022-10-16 15:05:38,446 INFO L78 Accepts]: Start accepts. Automaton has 108383 states and 179331 transitions. Word has length 134 [2022-10-16 15:05:38,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:38,446 INFO L495 AbstractCegarLoop]: Abstraction has 108383 states and 179331 transitions. [2022-10-16 15:05:38,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 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 15:05:38,447 INFO L276 IsEmpty]: Start isEmpty. Operand 108383 states and 179331 transitions. [2022-10-16 15:05:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:05:38,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:38,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:38,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:05:38,449 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:38,450 INFO L85 PathProgramCache]: Analyzing trace with hash -463154626, now seen corresponding path program 1 times [2022-10-16 15:05:38,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:38,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592117792] [2022-10-16 15:05:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:38,553 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 15:05:38,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:38,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592117792] [2022-10-16 15:05:38,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592117792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:38,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:38,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:38,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672080801] [2022-10-16 15:05:38,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:38,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:38,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:38,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:38,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:38,556 INFO L87 Difference]: Start difference. First operand 108383 states and 179331 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 15:05:42,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:42,907 INFO L93 Difference]: Finished difference Result 215389 states and 356870 transitions. [2022-10-16 15:05:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:42,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 134 [2022-10-16 15:05:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:43,216 INFO L225 Difference]: With dead ends: 215389 [2022-10-16 15:05:43,216 INFO L226 Difference]: Without dead ends: 156165 [2022-10-16 15:05:43,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:43,281 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 230 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:43,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1318 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:43,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156165 states. [2022-10-16 15:05:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156165 to 156127. [2022-10-16 15:05:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156127 states, 156089 states have (on average 1.6522624912710056) internal successors, (257900), 156126 states have internal predecessors, (257900), 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 15:05:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156127 states to 156127 states and 257900 transitions. [2022-10-16 15:05:49,177 INFO L78 Accepts]: Start accepts. Automaton has 156127 states and 257900 transitions. Word has length 134 [2022-10-16 15:05:49,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:49,177 INFO L495 AbstractCegarLoop]: Abstraction has 156127 states and 257900 transitions. [2022-10-16 15:05:49,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 15:05:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 156127 states and 257900 transitions. [2022-10-16 15:05:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:05:49,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:49,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:05:49,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:05:49,180 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1800236708, now seen corresponding path program 1 times [2022-10-16 15:05:49,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:49,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297361526] [2022-10-16 15:05:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:49,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:49,341 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 15:05:49,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:49,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297361526] [2022-10-16 15:05:49,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297361526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:49,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:49,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:49,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818816046] [2022-10-16 15:05:49,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:49,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:49,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:49,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:49,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:49,345 INFO L87 Difference]: Start difference. First operand 156127 states and 257900 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 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 15:05:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:56,792 INFO L93 Difference]: Finished difference Result 394704 states and 653289 transitions. [2022-10-16 15:05:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:05:56,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 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 136 [2022-10-16 15:05:56,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:57,551 INFO L225 Difference]: With dead ends: 394704 [2022-10-16 15:05:57,552 INFO L226 Difference]: Without dead ends: 238810 [2022-10-16 15:05:57,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:05:57,703 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 789 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:57,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1731 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:05:57,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238810 states. [2022-10-16 15:06:05,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238810 to 214685. [2022-10-16 15:06:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214685 states, 214647 states have (on average 1.642734349886092) internal successors, (352608), 214684 states have internal predecessors, (352608), 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 15:06:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214685 states to 214685 states and 352608 transitions. [2022-10-16 15:06:06,493 INFO L78 Accepts]: Start accepts. Automaton has 214685 states and 352608 transitions. Word has length 136 [2022-10-16 15:06:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:06:06,493 INFO L495 AbstractCegarLoop]: Abstraction has 214685 states and 352608 transitions. [2022-10-16 15:06:06,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 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 15:06:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 214685 states and 352608 transitions. [2022-10-16 15:06:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 15:06:06,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:06:06,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:06:06,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:06:06,500 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:06:06,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:06:06,501 INFO L85 PathProgramCache]: Analyzing trace with hash 27238401, now seen corresponding path program 1 times [2022-10-16 15:06:06,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:06:06,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50925150] [2022-10-16 15:06:06,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:06:06,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:06:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:06:06,641 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 15:06:06,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:06:06,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50925150] [2022-10-16 15:06:06,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50925150] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:06:06,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:06:06,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:06:06,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502953685] [2022-10-16 15:06:06,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:06:06,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:06:06,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:06:06,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:06:06,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:06:06,643 INFO L87 Difference]: Start difference. First operand 214685 states and 352608 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 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 15:06:14,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:06:14,904 INFO L93 Difference]: Finished difference Result 305973 states and 506040 transitions. [2022-10-16 15:06:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:06:14,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 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 137 [2022-10-16 15:06:14,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:06:15,592 INFO L225 Difference]: With dead ends: 305973 [2022-10-16 15:06:15,592 INFO L226 Difference]: Without dead ends: 305972 [2022-10-16 15:06:15,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:06:15,675 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 781 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:06:15,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 1302 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:06:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305972 states. [2022-10-16 15:06:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305972 to 305513. [2022-10-16 15:06:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305513 states, 305475 states have (on average 1.6472673704885834) internal successors, (503199), 305512 states have internal predecessors, (503199), 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 15:06:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305513 states to 305513 states and 503199 transitions. [2022-10-16 15:06:28,125 INFO L78 Accepts]: Start accepts. Automaton has 305513 states and 503199 transitions. Word has length 137 [2022-10-16 15:06:28,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:06:28,126 INFO L495 AbstractCegarLoop]: Abstraction has 305513 states and 503199 transitions. [2022-10-16 15:06:28,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 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 15:06:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 305513 states and 503199 transitions. [2022-10-16 15:06:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 15:06:28,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:06:28,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:06:28,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:06:28,128 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:06:28,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:06:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 406347715, now seen corresponding path program 1 times [2022-10-16 15:06:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:06:28,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361555731] [2022-10-16 15:06:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:06:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:06:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:06:28,277 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 15:06:28,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:06:28,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361555731] [2022-10-16 15:06:28,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361555731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:06:28,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:06:28,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:06:28,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943448537] [2022-10-16 15:06:28,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:06:28,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:06:28,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:06:28,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:06:28,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:06:28,282 INFO L87 Difference]: Start difference. First operand 305513 states and 503199 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 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 15:06:46,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:06:46,990 INFO L93 Difference]: Finished difference Result 855626 states and 1416701 transitions. [2022-10-16 15:06:46,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:06:46,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 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 139 [2022-10-16 15:06:46,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:06:49,241 INFO L225 Difference]: With dead ends: 855626 [2022-10-16 15:06:49,241 INFO L226 Difference]: Without dead ends: 550346 [2022-10-16 15:06:49,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:06:49,796 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 785 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:06:49,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1805 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:06:51,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550346 states. [2022-10-16 15:07:08,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550346 to 440551. [2022-10-16 15:07:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440551 states, 440513 states have (on average 1.6437403663456016) internal successors, (724089), 440550 states have internal predecessors, (724089), 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 15:07:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440551 states to 440551 states and 724089 transitions. [2022-10-16 15:07:11,913 INFO L78 Accepts]: Start accepts. Automaton has 440551 states and 724089 transitions. Word has length 139 [2022-10-16 15:07:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:07:11,913 INFO L495 AbstractCegarLoop]: Abstraction has 440551 states and 724089 transitions. [2022-10-16 15:07:11,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 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 15:07:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 440551 states and 724089 transitions. [2022-10-16 15:07:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 15:07:11,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:07:11,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:07:11,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:07:11,915 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:07:11,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:07:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash -288121215, now seen corresponding path program 1 times [2022-10-16 15:07:11,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:07:11,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072302653] [2022-10-16 15:07:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:07:11,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:07:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:07:12,094 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 15:07:12,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:07:12,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072302653] [2022-10-16 15:07:12,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072302653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:07:12,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:07:12,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:07:12,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087030550] [2022-10-16 15:07:12,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:07:12,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:07:12,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:07:12,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:07:12,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:07:12,098 INFO L87 Difference]: Start difference. First operand 440551 states and 724089 transitions. Second operand has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 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 15:07:31,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:07:31,663 INFO L93 Difference]: Finished difference Result 651107 states and 1073415 transitions. [2022-10-16 15:07:31,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:07:31,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 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 140 [2022-10-16 15:07:31,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:07:33,690 INFO L225 Difference]: With dead ends: 651107 [2022-10-16 15:07:33,690 INFO L226 Difference]: Without dead ends: 651106 [2022-10-16 15:07:33,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:07:33,941 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 777 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:07:33,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1344 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:07:34,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651106 states. [2022-10-16 15:08:03,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651106 to 650089. [2022-10-16 15:08:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650089 states, 650051 states have (on average 1.6419542466668) internal successors, (1067354), 650088 states have internal predecessors, (1067354), 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 15:08:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650089 states to 650089 states and 1067354 transitions. [2022-10-16 15:08:09,659 INFO L78 Accepts]: Start accepts. Automaton has 650089 states and 1067354 transitions. Word has length 140 [2022-10-16 15:08:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:08:09,659 INFO L495 AbstractCegarLoop]: Abstraction has 650089 states and 1067354 transitions. [2022-10-16 15:08:09,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 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 15:08:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 650089 states and 1067354 transitions. [2022-10-16 15:08:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 15:08:09,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:08:09,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:08:09,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:08:09,677 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:08:09,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:08:09,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2006532317, now seen corresponding path program 1 times [2022-10-16 15:08:09,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:08:09,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137708718] [2022-10-16 15:08:09,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:08:09,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:08:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:08:10,497 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 15:08:10,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:08:10,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137708718] [2022-10-16 15:08:10,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137708718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:08:10,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:08:10,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:08:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947130719] [2022-10-16 15:08:10,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:08:10,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:08:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:08:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:08:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:08:10,500 INFO L87 Difference]: Start difference. First operand 650089 states and 1067354 transitions. Second operand has 4 states, 3 states have (on average 47.333333333333336) internal successors, (142), 4 states have internal predecessors, (142), 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)