/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-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:21:17,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:21:17,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:21:17,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:21:17,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:21:17,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:21:17,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:21:17,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:21:17,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:21:17,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:21:17,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:21:17,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:21:17,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:21:17,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:21:17,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:21:17,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:21:17,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:21:17,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:21:17,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:21:17,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:21:17,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:21:17,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:21:17,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:21:17,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:21:17,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:21:17,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:21:17,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:21:17,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:21:17,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:21:17,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:21:17,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:21:17,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:21:17,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:21:17,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:21:17,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:21:17,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:21:17,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:21:17,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:21:17,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:21:17,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:21:17,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:21:17,257 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 [2022-10-15 22:21:17,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:21:17,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:21:17,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:21:17,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:21:17,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:21:17,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:21:17,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:21:17,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:21:17,322 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:21:17,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:21:17,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:21:17,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:21:17,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:21:17,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:21:17,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:21:17,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:21:17,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:21:17,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:21:17,326 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:21:17,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:21:17,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:21:17,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:21:17,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:21:17,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:21:17,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:21:17,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:21:17,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:17,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:21:17,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:21:17,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:21:17,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:21:17,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:21:17,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:21:17,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:21:17,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:21:17,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:21:17,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:21:17,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:21:17,779 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:21:17,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:21:17,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f4b1f9f/8b2b55d575ec425ba33b18688c1581da/FLAG364c306c4 [2022-10-15 22:21:18,612 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:21:18,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:21:18,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f4b1f9f/8b2b55d575ec425ba33b18688c1581da/FLAG364c306c4 [2022-10-15 22:21:18,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f4b1f9f/8b2b55d575ec425ba33b18688c1581da [2022-10-15 22:21:18,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:21:18,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:21:18,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:18,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:21:18,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:21:18,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:18" (1/1) ... [2022-10-15 22:21:18,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4270cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:18, skipping insertion in model container [2022-10-15 22:21:18,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:18" (1/1) ... [2022-10-15 22:21:18,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:21:18,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:21:19,330 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-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10504,10517] [2022-10-15 22:21:19,368 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-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13076,13089] [2022-10-15 22:21:19,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:19,452 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:21:19,619 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-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10504,10517] [2022-10-15 22:21:19,650 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-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13076,13089] [2022-10-15 22:21:19,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:19,768 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:21:19,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19 WrapperNode [2022-10-15 22:21:19,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:19,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:19,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:21:19,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:21:19,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,883 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2022-10-15 22:21:19,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:19,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:21:19,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:21:19,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:21:19,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:21:19,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:21:19,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:21:19,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:21:19,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (1/1) ... [2022-10-15 22:21:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:21:19,998 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) [2022-10-15 22:21:20,016 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 [2022-10-15 22:21:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:21:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:21:20,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:21:20,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:21:20,371 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:21:20,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:21:21,697 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:21:21,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:21:21,712 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:21:21,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:21 BoogieIcfgContainer [2022-10-15 22:21:21,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:21:21,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:21:21,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:21:21,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:21:21,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:21:18" (1/3) ... [2022-10-15 22:21:21,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2250b718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:21, skipping insertion in model container [2022-10-15 22:21:21,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:19" (2/3) ... [2022-10-15 22:21:21,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2250b718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:21, skipping insertion in model container [2022-10-15 22:21:21,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:21" (3/3) ... [2022-10-15 22:21:21,725 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:21:21,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:21:21,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2022-10-15 22:21:21,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:21:21,868 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;@3141e88c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:21:21,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2022-10-15 22:21:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 354 states have (on average 1.8418079096045197) internal successors, (652), 446 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:21:21,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:21,890 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] [2022-10-15 22:21:21,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:21,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:21,901 INFO L85 PathProgramCache]: Analyzing trace with hash -448108190, now seen corresponding path program 1 times [2022-10-15 22:21:21,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:21,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616203253] [2022-10-15 22:21:21,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:21,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:22,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:22,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616203253] [2022-10-15 22:21:22,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616203253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:22,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:22,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:21:22,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487128576] [2022-10-15 22:21:22,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:22,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:22,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:22,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:22,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:22,650 INFO L87 Difference]: Start difference. First operand has 447 states, 354 states have (on average 1.8418079096045197) internal successors, (652), 446 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:22,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:22,983 INFO L93 Difference]: Finished difference Result 598 states and 874 transitions. [2022-10-15 22:21:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:22,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-15 22:21:22,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:23,024 INFO L225 Difference]: With dead ends: 598 [2022-10-15 22:21:23,025 INFO L226 Difference]: Without dead ends: 564 [2022-10-15 22:21:23,030 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 [2022-10-15 22:21:23,035 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 489 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:23,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 739 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:23,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-10-15 22:21:23,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 544. [2022-10-15 22:21:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 472 states have (on average 1.5995762711864407) internal successors, (755), 543 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 755 transitions. [2022-10-15 22:21:23,169 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 755 transitions. Word has length 61 [2022-10-15 22:21:23,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:23,170 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 755 transitions. [2022-10-15 22:21:23,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 755 transitions. [2022-10-15 22:21:23,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:21:23,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:23,174 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] [2022-10-15 22:21:23,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:21:23,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:23,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:23,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1006451726, now seen corresponding path program 1 times [2022-10-15 22:21:23,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:23,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180041483] [2022-10-15 22:21:23,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:23,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:23,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:23,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180041483] [2022-10-15 22:21:23,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180041483] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:23,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:23,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:21:23,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102870214] [2022-10-15 22:21:23,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:23,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:23,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:23,443 INFO L87 Difference]: Start difference. First operand 544 states and 755 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:23,725 INFO L93 Difference]: Finished difference Result 567 states and 755 transitions. [2022-10-15 22:21:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:23,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-15 22:21:23,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:23,731 INFO L225 Difference]: With dead ends: 567 [2022-10-15 22:21:23,732 INFO L226 Difference]: Without dead ends: 560 [2022-10-15 22:21:23,733 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 [2022-10-15 22:21:23,735 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 413 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:23,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 658 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:23,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-10-15 22:21:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 540. [2022-10-15 22:21:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 472 states have (on average 1.5847457627118644) internal successors, (748), 539 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 748 transitions. [2022-10-15 22:21:23,776 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 748 transitions. Word has length 62 [2022-10-15 22:21:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:23,778 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 748 transitions. [2022-10-15 22:21:23,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 748 transitions. [2022-10-15 22:21:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:21:23,781 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:23,782 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] [2022-10-15 22:21:23,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:21:23,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:23,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:23,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1135232156, now seen corresponding path program 1 times [2022-10-15 22:21:23,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:23,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898997458] [2022-10-15 22:21:23,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:23,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:23,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:23,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898997458] [2022-10-15 22:21:23,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898997458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:23,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:23,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:23,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051930832] [2022-10-15 22:21:23,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:23,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:23,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:23,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:23,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:23,979 INFO L87 Difference]: Start difference. First operand 540 states and 748 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:24,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:24,562 INFO L93 Difference]: Finished difference Result 1398 states and 2002 transitions. [2022-10-15 22:21:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:21:24,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-15 22:21:24,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:24,570 INFO L225 Difference]: With dead ends: 1398 [2022-10-15 22:21:24,571 INFO L226 Difference]: Without dead ends: 1124 [2022-10-15 22:21:24,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:21:24,576 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1988 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:24,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1788 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:21:24,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-10-15 22:21:24,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 780. [2022-10-15 22:21:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 716 states have (on average 1.606145251396648) internal successors, (1150), 779 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1150 transitions. [2022-10-15 22:21:24,661 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1150 transitions. Word has length 63 [2022-10-15 22:21:24,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:24,662 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1150 transitions. [2022-10-15 22:21:24,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1150 transitions. [2022-10-15 22:21:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:21:24,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:24,665 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] [2022-10-15 22:21:24,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:21:24,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:24,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:24,666 INFO L85 PathProgramCache]: Analyzing trace with hash -832458188, now seen corresponding path program 1 times [2022-10-15 22:21:24,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:24,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128190376] [2022-10-15 22:21:24,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:24,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:24,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:24,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128190376] [2022-10-15 22:21:24,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128190376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:24,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:24,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773806328] [2022-10-15 22:21:24,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:24,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:24,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:24,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:24,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:24,850 INFO L87 Difference]: Start difference. First operand 780 states and 1150 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:25,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:25,344 INFO L93 Difference]: Finished difference Result 1328 states and 1989 transitions. [2022-10-15 22:21:25,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:25,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-15 22:21:25,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:25,354 INFO L225 Difference]: With dead ends: 1328 [2022-10-15 22:21:25,355 INFO L226 Difference]: Without dead ends: 1318 [2022-10-15 22:21:25,356 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 [2022-10-15 22:21:25,358 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2039 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:25,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 1146 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:25,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-10-15 22:21:25,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1264. [2022-10-15 22:21:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1204 states have (on average 1.6262458471760797) internal successors, (1958), 1263 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1958 transitions. [2022-10-15 22:21:25,472 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1958 transitions. Word has length 64 [2022-10-15 22:21:25,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:25,473 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1958 transitions. [2022-10-15 22:21:25,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:25,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1958 transitions. [2022-10-15 22:21:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:21:25,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:25,475 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] [2022-10-15 22:21:25,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:21:25,476 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:25,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:25,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1128392554, now seen corresponding path program 1 times [2022-10-15 22:21:25,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:25,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433515295] [2022-10-15 22:21:25,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:25,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:25,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433515295] [2022-10-15 22:21:25,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433515295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:25,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:25,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:25,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677141953] [2022-10-15 22:21:25,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:25,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:25,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:25,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:25,632 INFO L87 Difference]: Start difference. First operand 1264 states and 1958 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:25,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:25,950 INFO L93 Difference]: Finished difference Result 1653 states and 2571 transitions. [2022-10-15 22:21:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:25,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:21:25,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:25,961 INFO L225 Difference]: With dead ends: 1653 [2022-10-15 22:21:25,961 INFO L226 Difference]: Without dead ends: 1652 [2022-10-15 22:21:25,962 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 [2022-10-15 22:21:25,963 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 505 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:25,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1031 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:25,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2022-10-15 22:21:26,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1263. [2022-10-15 22:21:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1204 states have (on average 1.6254152823920265) internal successors, (1957), 1262 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1957 transitions. [2022-10-15 22:21:26,076 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1957 transitions. Word has length 66 [2022-10-15 22:21:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:26,076 INFO L495 AbstractCegarLoop]: Abstraction has 1263 states and 1957 transitions. [2022-10-15 22:21:26,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1957 transitions. [2022-10-15 22:21:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:21:26,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:26,078 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] [2022-10-15 22:21:26,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:21:26,079 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:26,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:26,080 INFO L85 PathProgramCache]: Analyzing trace with hash -620430519, now seen corresponding path program 1 times [2022-10-15 22:21:26,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:26,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044925973] [2022-10-15 22:21:26,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:26,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:26,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044925973] [2022-10-15 22:21:26,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044925973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:26,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:26,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558226934] [2022-10-15 22:21:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:26,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:26,193 INFO L87 Difference]: Start difference. First operand 1263 states and 1957 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:26,566 INFO L93 Difference]: Finished difference Result 2020 states and 3192 transitions. [2022-10-15 22:21:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:26,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:21:26,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:26,579 INFO L225 Difference]: With dead ends: 2020 [2022-10-15 22:21:26,579 INFO L226 Difference]: Without dead ends: 2017 [2022-10-15 22:21:26,581 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 [2022-10-15 22:21:26,582 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 1042 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:26,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 724 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:26,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-10-15 22:21:26,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1987. [2022-10-15 22:21:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1930 states have (on average 1.6424870466321244) internal successors, (3170), 1986 states have internal predecessors, (3170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 3170 transitions. [2022-10-15 22:21:26,761 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 3170 transitions. Word has length 67 [2022-10-15 22:21:26,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:26,762 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 3170 transitions. [2022-10-15 22:21:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 3170 transitions. [2022-10-15 22:21:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:21:26,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:26,764 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] [2022-10-15 22:21:26,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:21:26,764 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:26,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:26,765 INFO L85 PathProgramCache]: Analyzing trace with hash 766734667, now seen corresponding path program 1 times [2022-10-15 22:21:26,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:26,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769177128] [2022-10-15 22:21:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:26,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:26,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769177128] [2022-10-15 22:21:26,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769177128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:26,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:26,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:26,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442110752] [2022-10-15 22:21:26,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:26,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:26,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:26,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:26,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:26,878 INFO L87 Difference]: Start difference. First operand 1987 states and 3170 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:27,485 INFO L93 Difference]: Finished difference Result 5467 states and 8886 transitions. [2022-10-15 22:21:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:27,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-15 22:21:27,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:27,510 INFO L225 Difference]: With dead ends: 5467 [2022-10-15 22:21:27,511 INFO L226 Difference]: Without dead ends: 3736 [2022-10-15 22:21:27,517 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 [2022-10-15 22:21:27,520 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 1097 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:27,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1024 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:27,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-10-15 22:21:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 2949. [2022-10-15 22:21:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2895 states have (on average 1.6466321243523316) internal successors, (4767), 2948 states have internal predecessors, (4767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4767 transitions. [2022-10-15 22:21:27,882 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4767 transitions. Word has length 69 [2022-10-15 22:21:27,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:27,884 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4767 transitions. [2022-10-15 22:21:27,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4767 transitions. [2022-10-15 22:21:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:21:27,891 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:27,892 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] [2022-10-15 22:21:27,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:21:27,892 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:27,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2001028805, now seen corresponding path program 1 times [2022-10-15 22:21:27,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:27,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488695234] [2022-10-15 22:21:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:28,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:28,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488695234] [2022-10-15 22:21:28,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488695234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:28,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:28,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:28,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563321199] [2022-10-15 22:21:28,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:28,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:28,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:28,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:28,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:28,031 INFO L87 Difference]: Start difference. First operand 2949 states and 4767 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:28,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:28,594 INFO L93 Difference]: Finished difference Result 4432 states and 7219 transitions. [2022-10-15 22:21:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:28,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-15 22:21:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:28,622 INFO L225 Difference]: With dead ends: 4432 [2022-10-15 22:21:28,622 INFO L226 Difference]: Without dead ends: 4428 [2022-10-15 22:21:28,624 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 [2022-10-15 22:21:28,625 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1077 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:28,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 684 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:28,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2022-10-15 22:21:29,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 4392. [2022-10-15 22:21:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 4341 states have (on average 1.6516931582584657) internal successors, (7170), 4391 states have internal predecessors, (7170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 7170 transitions. [2022-10-15 22:21:29,035 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 7170 transitions. Word has length 70 [2022-10-15 22:21:29,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:29,036 INFO L495 AbstractCegarLoop]: Abstraction has 4392 states and 7170 transitions. [2022-10-15 22:21:29,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 7170 transitions. [2022-10-15 22:21:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:21:29,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:29,038 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] [2022-10-15 22:21:29,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:21:29,038 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:29,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:29,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1156676509, now seen corresponding path program 1 times [2022-10-15 22:21:29,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:29,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859061086] [2022-10-15 22:21:29,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:29,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:29,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859061086] [2022-10-15 22:21:29,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859061086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:29,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:29,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:29,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128535496] [2022-10-15 22:21:29,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:29,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:29,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:29,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:29,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:29,146 INFO L87 Difference]: Start difference. First operand 4392 states and 7170 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:30,280 INFO L93 Difference]: Finished difference Result 16321 states and 26943 transitions. [2022-10-15 22:21:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:30,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:21:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:30,350 INFO L225 Difference]: With dead ends: 16321 [2022-10-15 22:21:30,350 INFO L226 Difference]: Without dead ends: 12179 [2022-10-15 22:21:30,360 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 [2022-10-15 22:21:30,361 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1081 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:30,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 1061 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:30,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12179 states. [2022-10-15 22:21:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12179 to 8227. [2022-10-15 22:21:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8227 states, 8179 states have (on average 1.6503240004890574) internal successors, (13498), 8226 states have internal predecessors, (13498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8227 states to 8227 states and 13498 transitions. [2022-10-15 22:21:31,270 INFO L78 Accepts]: Start accepts. Automaton has 8227 states and 13498 transitions. Word has length 72 [2022-10-15 22:21:31,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:31,271 INFO L495 AbstractCegarLoop]: Abstraction has 8227 states and 13498 transitions. [2022-10-15 22:21:31,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8227 states and 13498 transitions. [2022-10-15 22:21:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:21:31,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:31,272 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] [2022-10-15 22:21:31,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:21:31,273 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:31,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:31,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1497233712, now seen corresponding path program 1 times [2022-10-15 22:21:31,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:31,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458284944] [2022-10-15 22:21:31,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:31,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:31,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:31,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458284944] [2022-10-15 22:21:31,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458284944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:31,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:31,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:31,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23342239] [2022-10-15 22:21:31,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:31,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:31,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:31,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:31,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:31,382 INFO L87 Difference]: Start difference. First operand 8227 states and 13498 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 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) [2022-10-15 22:21:32,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:32,584 INFO L93 Difference]: Finished difference Result 12365 states and 20353 transitions. [2022-10-15 22:21:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:32,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 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 [2022-10-15 22:21:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:32,639 INFO L225 Difference]: With dead ends: 12365 [2022-10-15 22:21:32,639 INFO L226 Difference]: Without dead ends: 12361 [2022-10-15 22:21:32,645 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 [2022-10-15 22:21:32,646 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1076 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:32,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 744 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12361 states. [2022-10-15 22:21:33,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12361 to 12303. [2022-10-15 22:21:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12303 states, 12258 states have (on average 1.6492086800456844) internal successors, (20216), 12302 states have internal predecessors, (20216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12303 states to 12303 states and 20216 transitions. [2022-10-15 22:21:34,008 INFO L78 Accepts]: Start accepts. Automaton has 12303 states and 20216 transitions. Word has length 73 [2022-10-15 22:21:34,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:34,008 INFO L495 AbstractCegarLoop]: Abstraction has 12303 states and 20216 transitions. [2022-10-15 22:21:34,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 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) [2022-10-15 22:21:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 12303 states and 20216 transitions. [2022-10-15 22:21:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:21:34,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:34,011 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] [2022-10-15 22:21:34,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:21:34,012 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:34,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:34,013 INFO L85 PathProgramCache]: Analyzing trace with hash 656967230, now seen corresponding path program 1 times [2022-10-15 22:21:34,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:34,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571990089] [2022-10-15 22:21:34,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:34,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:34,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:34,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571990089] [2022-10-15 22:21:34,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571990089] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:34,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:34,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:34,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125727121] [2022-10-15 22:21:34,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:34,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:34,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:34,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:34,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:34,164 INFO L87 Difference]: Start difference. First operand 12303 states and 20216 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:35,116 INFO L93 Difference]: Finished difference Result 12303 states and 20216 transitions. [2022-10-15 22:21:35,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:35,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:21:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:35,153 INFO L225 Difference]: With dead ends: 12303 [2022-10-15 22:21:35,154 INFO L226 Difference]: Without dead ends: 12302 [2022-10-15 22:21:35,161 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 [2022-10-15 22:21:35,162 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 316 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:35,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1075 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:35,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12302 states. [2022-10-15 22:21:36,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12302 to 12302. [2022-10-15 22:21:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12302 states, 12258 states have (on average 1.649127100668951) internal successors, (20215), 12301 states have internal predecessors, (20215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12302 states to 12302 states and 20215 transitions. [2022-10-15 22:21:36,431 INFO L78 Accepts]: Start accepts. Automaton has 12302 states and 20215 transitions. Word has length 83 [2022-10-15 22:21:36,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:36,432 INFO L495 AbstractCegarLoop]: Abstraction has 12302 states and 20215 transitions. [2022-10-15 22:21:36,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 12302 states and 20215 transitions. [2022-10-15 22:21:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:21:36,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:36,439 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] [2022-10-15 22:21:36,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:21:36,440 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:36,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1108852018, now seen corresponding path program 1 times [2022-10-15 22:21:36,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:36,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532559420] [2022-10-15 22:21:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:36,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:36,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:36,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532559420] [2022-10-15 22:21:36,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532559420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:36,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:36,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:36,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560497774] [2022-10-15 22:21:36,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:36,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:36,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:36,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:36,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:36,573 INFO L87 Difference]: Start difference. First operand 12302 states and 20215 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:37,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:37,959 INFO L93 Difference]: Finished difference Result 21597 states and 35601 transitions. [2022-10-15 22:21:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:37,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-15 22:21:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:38,027 INFO L225 Difference]: With dead ends: 21597 [2022-10-15 22:21:38,028 INFO L226 Difference]: Without dead ends: 21594 [2022-10-15 22:21:38,037 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 [2022-10-15 22:21:38,038 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 788 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:38,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 984 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:38,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21594 states. [2022-10-15 22:21:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21594 to 21572. [2022-10-15 22:21:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21572 states, 21529 states have (on average 1.6464303962097635) internal successors, (35446), 21571 states have internal predecessors, (35446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21572 states to 21572 states and 35446 transitions. [2022-10-15 22:21:40,189 INFO L78 Accepts]: Start accepts. Automaton has 21572 states and 35446 transitions. Word has length 84 [2022-10-15 22:21:40,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:40,190 INFO L495 AbstractCegarLoop]: Abstraction has 21572 states and 35446 transitions. [2022-10-15 22:21:40,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 21572 states and 35446 transitions. [2022-10-15 22:21:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:21:40,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:40,191 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] [2022-10-15 22:21:40,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:21:40,192 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:40,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash -14673856, now seen corresponding path program 1 times [2022-10-15 22:21:40,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:40,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677395103] [2022-10-15 22:21:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:40,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:40,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677395103] [2022-10-15 22:21:40,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677395103] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:40,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:40,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:40,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650673749] [2022-10-15 22:21:40,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:40,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:40,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:40,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:40,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:40,322 INFO L87 Difference]: Start difference. First operand 21572 states and 35446 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:43,815 INFO L93 Difference]: Finished difference Result 64222 states and 105724 transitions. [2022-10-15 22:21:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:21:43,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-15 22:21:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:43,938 INFO L225 Difference]: With dead ends: 64222 [2022-10-15 22:21:43,938 INFO L226 Difference]: Without dead ends: 42894 [2022-10-15 22:21:43,986 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 [2022-10-15 22:21:43,987 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 690 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:43,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1859 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:44,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42894 states. [2022-10-15 22:21:47,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42894 to 42872. [2022-10-15 22:21:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42872 states, 42830 states have (on average 1.63560588372636) internal successors, (70053), 42871 states have internal predecessors, (70053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42872 states to 42872 states and 70053 transitions. [2022-10-15 22:21:47,775 INFO L78 Accepts]: Start accepts. Automaton has 42872 states and 70053 transitions. Word has length 85 [2022-10-15 22:21:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:47,776 INFO L495 AbstractCegarLoop]: Abstraction has 42872 states and 70053 transitions. [2022-10-15 22:21:47,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 42872 states and 70053 transitions. [2022-10-15 22:21:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:21:47,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:47,777 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] [2022-10-15 22:21:47,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:21:47,777 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:47,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash -454889200, now seen corresponding path program 1 times [2022-10-15 22:21:47,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:47,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495644279] [2022-10-15 22:21:47,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:47,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:47,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495644279] [2022-10-15 22:21:47,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495644279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:47,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:47,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:47,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906079174] [2022-10-15 22:21:47,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:47,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:47,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:47,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:47,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:47,967 INFO L87 Difference]: Start difference. First operand 42872 states and 70053 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:52,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:52,709 INFO L93 Difference]: Finished difference Result 64237 states and 105192 transitions. [2022-10-15 22:21:52,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:52,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-15 22:21:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:52,871 INFO L225 Difference]: With dead ends: 64237 [2022-10-15 22:21:52,872 INFO L226 Difference]: Without dead ends: 64234 [2022-10-15 22:21:52,994 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 [2022-10-15 22:21:52,997 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 1355 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:52,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 1766 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:21:53,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64234 states. [2022-10-15 22:21:57,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64234 to 64172. [2022-10-15 22:21:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64172 states, 64131 states have (on average 1.6292120815206375) internal successors, (104483), 64171 states have internal predecessors, (104483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64172 states to 64172 states and 104483 transitions. [2022-10-15 22:21:58,346 INFO L78 Accepts]: Start accepts. Automaton has 64172 states and 104483 transitions. Word has length 86 [2022-10-15 22:21:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:58,347 INFO L495 AbstractCegarLoop]: Abstraction has 64172 states and 104483 transitions. [2022-10-15 22:21:58,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 64172 states and 104483 transitions. [2022-10-15 22:21:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:21:58,348 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:58,349 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] [2022-10-15 22:21:58,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:21:58,349 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:21:58,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash -286847904, now seen corresponding path program 1 times [2022-10-15 22:21:58,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:58,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777244373] [2022-10-15 22:21:58,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:58,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:58,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:58,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777244373] [2022-10-15 22:21:58,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777244373] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:58,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:58,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:58,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863540913] [2022-10-15 22:21:58,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:58,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:58,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:58,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:58,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:58,554 INFO L87 Difference]: Start difference. First operand 64172 states and 104483 transitions. Second operand has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:04,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:22:04,081 INFO L93 Difference]: Finished difference Result 77262 states and 125957 transitions. [2022-10-15 22:22:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:22:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-15 22:22:04,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:22:04,268 INFO L225 Difference]: With dead ends: 77262 [2022-10-15 22:22:04,268 INFO L226 Difference]: Without dead ends: 77257 [2022-10-15 22:22:04,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:04,295 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 625 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:22:04,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1165 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:22:04,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77257 states. [2022-10-15 22:22:10,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77257 to 77220. [2022-10-15 22:22:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77220 states, 77181 states have (on average 1.6256462082636918) internal successors, (125469), 77219 states have internal predecessors, (125469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77220 states to 77220 states and 125469 transitions. [2022-10-15 22:22:10,818 INFO L78 Accepts]: Start accepts. Automaton has 77220 states and 125469 transitions. Word has length 115 [2022-10-15 22:22:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:22:10,818 INFO L495 AbstractCegarLoop]: Abstraction has 77220 states and 125469 transitions. [2022-10-15 22:22:10,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:22:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 77220 states and 125469 transitions. [2022-10-15 22:22:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:22:10,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:22:10,820 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] [2022-10-15 22:22:10,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:22:10,821 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-15 22:22:10,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:22:10,821 INFO L85 PathProgramCache]: Analyzing trace with hash -302349984, now seen corresponding path program 1 times [2022-10-15 22:22:10,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:22:10,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17198459] [2022-10-15 22:22:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:22:10,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:22:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:22:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:22:11,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:22:11,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17198459] [2022-10-15 22:22:11,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17198459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:22:11,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:22:11,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:22:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344189468] [2022-10-15 22:22:11,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:22:11,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:22:11,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:22:11,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:22:11,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:22:11,242 INFO L87 Difference]: Start difference. First operand 77220 states and 125469 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)