/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/systemc/token_ring.04.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:02:18,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:02:18,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:02:18,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:02:18,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:02:18,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:02:18,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:02:18,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:02:18,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:02:18,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:02:18,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:02:18,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:02:18,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:02:18,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:02:18,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:02:18,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:02:18,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:02:18,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:02:18,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:02:18,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:02:18,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:02:18,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:02:18,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:02:18,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:02:18,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 17:02:18,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 17:02:18,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 17:02:18,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 17:02:18,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 17:02:18,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 17:02:18,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:02:18,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:02:18,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:02:18,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:02:18,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:02:18,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:02:18,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:02:18,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:02:18,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:02:18,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:02:18,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:02:18,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:02:18,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:02:18,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:02:18,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:02:18,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:02:18,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:02:18,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:02:18,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:02:18,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:02:18,248 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:02:18,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:02:18,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:02:18,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:02:18,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:02:18,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:02:18,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:02:18,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:02:18,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:02:18,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:02:18,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:02:18,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:02:18,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:02:18,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:02:18,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:02:18,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:02:18,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:02:18,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:02:18,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:02:18,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:02:18,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:02:18,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:02:18,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:02:18,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:02:18,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:02:18,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:02:18,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:02:18,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:02:18,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:02:18,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:02:18,701 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:02:18,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2022-10-16 17:02:18,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f904dcf/3079779d3823459683b844aad3da41c8/FLAGcc2acf0ec [2022-10-16 17:02:19,542 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:02:19,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.04.cil-1.c [2022-10-16 17:02:19,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f904dcf/3079779d3823459683b844aad3da41c8/FLAGcc2acf0ec [2022-10-16 17:02:19,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f904dcf/3079779d3823459683b844aad3da41c8 [2022-10-16 17:02:19,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:02:19,885 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:02:19,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:02:19,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:02:19,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:02:19,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:02:19" (1/1) ... [2022-10-16 17:02:19,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6595a87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:19, skipping insertion in model container [2022-10-16 17:02:19,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:02:19" (1/1) ... [2022-10-16 17:02:19,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:02:19,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:02:20,087 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/systemc/token_ring.04.cil-1.c[671,684] [2022-10-16 17:02:20,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:02:20,178 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:02:20,189 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/systemc/token_ring.04.cil-1.c[671,684] [2022-10-16 17:02:20,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:02:20,252 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:02:20,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20 WrapperNode [2022-10-16 17:02:20,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:02:20,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:02:20,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:02:20,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:02:20,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,354 INFO L138 Inliner]: procedures = 36, calls = 43, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 399 [2022-10-16 17:02:20,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:02:20,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:02:20,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:02:20,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:02:20,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:02:20,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:02:20,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:02:20,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:02:20,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (1/1) ... [2022-10-16 17:02:20,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:02:20,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:02:20,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:02:20,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:02:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:02:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 17:02:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 17:02:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 17:02:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 17:02:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-16 17:02:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-16 17:02:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 17:02:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 17:02:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 17:02:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 17:02:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:02:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 17:02:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 17:02:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:02:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:02:20,673 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:02:20,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:02:21,398 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:02:21,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:02:21,420 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-16 17:02:21,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:02:21 BoogieIcfgContainer [2022-10-16 17:02:21,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:02:21,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:02:21,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:02:21,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:02:21,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:02:19" (1/3) ... [2022-10-16 17:02:21,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653ad16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:02:21, skipping insertion in model container [2022-10-16 17:02:21,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:02:20" (2/3) ... [2022-10-16 17:02:21,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653ad16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:02:21, skipping insertion in model container [2022-10-16 17:02:21,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:02:21" (3/3) ... [2022-10-16 17:02:21,445 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.04.cil-1.c [2022-10-16 17:02:21,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:02:21,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 17:02:21,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:02:21,583 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;@1acc3108, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:02:21,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 17:02:21,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 162 states have (on average 1.6419753086419753) internal successors, (266), 173 states have internal predecessors, (266), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 17:02:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:21,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:21,608 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] [2022-10-16 17:02:21,609 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:21,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:21,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1204387727, now seen corresponding path program 1 times [2022-10-16 17:02:21,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893902546] [2022-10-16 17:02:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:22,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:22,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893902546] [2022-10-16 17:02:22,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893902546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:22,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:22,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 17:02:22,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939941265] [2022-10-16 17:02:22,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:22,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:02:22,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:22,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:02:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:02:22,369 INFO L87 Difference]: Start difference. First operand has 197 states, 162 states have (on average 1.6419753086419753) internal successors, (266), 173 states have internal predecessors, (266), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:23,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:23,285 INFO L93 Difference]: Finished difference Result 437 states and 680 transitions. [2022-10-16 17:02:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:02:23,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:23,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:23,305 INFO L225 Difference]: With dead ends: 437 [2022-10-16 17:02:23,305 INFO L226 Difference]: Without dead ends: 245 [2022-10-16 17:02:23,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:02:23,317 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 445 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:23,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 526 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 17:02:23,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-10-16 17:02:23,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 191. [2022-10-16 17:02:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 157 states have (on average 1.5541401273885351) internal successors, (244), 167 states have internal predecessors, (244), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 17:02:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 280 transitions. [2022-10-16 17:02:23,409 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 280 transitions. Word has length 88 [2022-10-16 17:02:23,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:23,410 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 280 transitions. [2022-10-16 17:02:23,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 280 transitions. [2022-10-16 17:02:23,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:23,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:23,416 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] [2022-10-16 17:02:23,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:02:23,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:23,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:23,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1231453329, now seen corresponding path program 1 times [2022-10-16 17:02:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:23,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383804636] [2022-10-16 17:02:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:23,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:23,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:23,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383804636] [2022-10-16 17:02:23,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383804636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:23,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:23,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:02:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417850129] [2022-10-16 17:02:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:23,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:02:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:23,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:02:23,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:02:23,730 INFO L87 Difference]: Start difference. First operand 191 states and 280 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:24,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:24,940 INFO L93 Difference]: Finished difference Result 659 states and 995 transitions. [2022-10-16 17:02:24,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 17:02:24,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:24,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:24,946 INFO L225 Difference]: With dead ends: 659 [2022-10-16 17:02:24,946 INFO L226 Difference]: Without dead ends: 480 [2022-10-16 17:02:24,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:02:24,950 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 647 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:24,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 818 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 17:02:24,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-10-16 17:02:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 365. [2022-10-16 17:02:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 311 states have (on average 1.5659163987138263) internal successors, (487), 322 states have internal predecessors, (487), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (34), 31 states have call predecessors, (34), 31 states have call successors, (34) [2022-10-16 17:02:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 552 transitions. [2022-10-16 17:02:25,036 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 552 transitions. Word has length 88 [2022-10-16 17:02:25,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:25,037 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 552 transitions. [2022-10-16 17:02:25,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 552 transitions. [2022-10-16 17:02:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:25,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:25,045 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] [2022-10-16 17:02:25,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:02:25,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:25,046 INFO L85 PathProgramCache]: Analyzing trace with hash -853703573, now seen corresponding path program 1 times [2022-10-16 17:02:25,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:25,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542298972] [2022-10-16 17:02:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:25,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:25,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542298972] [2022-10-16 17:02:25,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542298972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:25,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:25,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:25,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218356608] [2022-10-16 17:02:25,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:25,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:25,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:25,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:25,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:25,308 INFO L87 Difference]: Start difference. First operand 365 states and 552 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:26,825 INFO L93 Difference]: Finished difference Result 1064 states and 1627 transitions. [2022-10-16 17:02:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:02:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:26,835 INFO L225 Difference]: With dead ends: 1064 [2022-10-16 17:02:26,836 INFO L226 Difference]: Without dead ends: 711 [2022-10-16 17:02:26,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:02:26,847 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 645 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1433 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:26,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 1433 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:02:26,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-10-16 17:02:26,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 528. [2022-10-16 17:02:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 454 states have (on average 1.5594713656387664) internal successors, (708), 466 states have internal predecessors, (708), 44 states have call successors, (44), 18 states have call predecessors, (44), 20 states have return successors, (49), 45 states have call predecessors, (49), 44 states have call successors, (49) [2022-10-16 17:02:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 801 transitions. [2022-10-16 17:02:26,958 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 801 transitions. Word has length 88 [2022-10-16 17:02:26,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:26,960 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 801 transitions. [2022-10-16 17:02:26,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 801 transitions. [2022-10-16 17:02:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:26,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:26,966 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] [2022-10-16 17:02:26,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:02:26,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:26,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1530221165, now seen corresponding path program 1 times [2022-10-16 17:02:26,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:26,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331352150] [2022-10-16 17:02:26,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:26,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:27,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:27,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331352150] [2022-10-16 17:02:27,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331352150] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:27,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:27,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:27,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173697711] [2022-10-16 17:02:27,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:27,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:27,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:27,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:27,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:27,265 INFO L87 Difference]: Start difference. First operand 528 states and 801 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:28,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:28,653 INFO L93 Difference]: Finished difference Result 1660 states and 2554 transitions. [2022-10-16 17:02:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:02:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:28,662 INFO L225 Difference]: With dead ends: 1660 [2022-10-16 17:02:28,662 INFO L226 Difference]: Without dead ends: 1144 [2022-10-16 17:02:28,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:02:28,666 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 690 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:28,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 982 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 17:02:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-10-16 17:02:28,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 855. [2022-10-16 17:02:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 741 states have (on average 1.5533063427800269) internal successors, (1151), 755 states have internal predecessors, (1151), 70 states have call successors, (70), 30 states have call predecessors, (70), 34 states have return successors, (83), 73 states have call predecessors, (83), 70 states have call successors, (83) [2022-10-16 17:02:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1304 transitions. [2022-10-16 17:02:28,781 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1304 transitions. Word has length 88 [2022-10-16 17:02:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:28,781 INFO L495 AbstractCegarLoop]: Abstraction has 855 states and 1304 transitions. [2022-10-16 17:02:28,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1304 transitions. [2022-10-16 17:02:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:28,783 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:28,784 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] [2022-10-16 17:02:28,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:02:28,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:28,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:28,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1607121963, now seen corresponding path program 1 times [2022-10-16 17:02:28,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:28,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498951016] [2022-10-16 17:02:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:28,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498951016] [2022-10-16 17:02:28,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498951016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:28,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:28,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:28,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826265925] [2022-10-16 17:02:28,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:28,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:28,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:28,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:28,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:28,958 INFO L87 Difference]: Start difference. First operand 855 states and 1304 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:30,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:30,513 INFO L93 Difference]: Finished difference Result 2811 states and 4341 transitions. [2022-10-16 17:02:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:02:30,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:30,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:30,528 INFO L225 Difference]: With dead ends: 2811 [2022-10-16 17:02:30,528 INFO L226 Difference]: Without dead ends: 1968 [2022-10-16 17:02:30,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:02:30,533 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 637 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:30,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 1423 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:02:30,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-10-16 17:02:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1510. [2022-10-16 17:02:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1316 states have (on average 1.547872340425532) internal successors, (2037), 1334 states have internal predecessors, (2037), 122 states have call successors, (122), 54 states have call predecessors, (122), 62 states have return successors, (157), 129 states have call predecessors, (157), 122 states have call successors, (157) [2022-10-16 17:02:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2316 transitions. [2022-10-16 17:02:30,733 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2316 transitions. Word has length 88 [2022-10-16 17:02:30,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:30,733 INFO L495 AbstractCegarLoop]: Abstraction has 1510 states and 2316 transitions. [2022-10-16 17:02:30,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2316 transitions. [2022-10-16 17:02:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:30,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:30,736 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] [2022-10-16 17:02:30,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:02:30,737 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:30,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:30,737 INFO L85 PathProgramCache]: Analyzing trace with hash 639771309, now seen corresponding path program 1 times [2022-10-16 17:02:30,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:30,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213043062] [2022-10-16 17:02:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:30,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:30,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213043062] [2022-10-16 17:02:30,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213043062] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:30,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:30,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:30,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862334736] [2022-10-16 17:02:30,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:30,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:30,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:30,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:30,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:30,920 INFO L87 Difference]: Start difference. First operand 1510 states and 2316 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:32,642 INFO L93 Difference]: Finished difference Result 5112 states and 7931 transitions. [2022-10-16 17:02:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:02:32,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:32,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:32,674 INFO L225 Difference]: With dead ends: 5112 [2022-10-16 17:02:32,675 INFO L226 Difference]: Without dead ends: 3614 [2022-10-16 17:02:32,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:02:32,690 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 633 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:32,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 1419 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:02:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2022-10-16 17:02:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 2825. [2022-10-16 17:02:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2471 states have (on average 1.5439093484419264) internal successors, (3815), 2497 states have internal predecessors, (3815), 226 states have call successors, (226), 102 states have call predecessors, (226), 118 states have return successors, (323), 241 states have call predecessors, (323), 226 states have call successors, (323) [2022-10-16 17:02:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 4364 transitions. [2022-10-16 17:02:33,034 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 4364 transitions. Word has length 88 [2022-10-16 17:02:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:33,035 INFO L495 AbstractCegarLoop]: Abstraction has 2825 states and 4364 transitions. [2022-10-16 17:02:33,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 4364 transitions. [2022-10-16 17:02:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:33,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:33,039 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] [2022-10-16 17:02:33,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:02:33,040 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:33,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1746738197, now seen corresponding path program 1 times [2022-10-16 17:02:33,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:33,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621742800] [2022-10-16 17:02:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:33,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:33,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621742800] [2022-10-16 17:02:33,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621742800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:33,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:33,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:33,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605309410] [2022-10-16 17:02:33,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:33,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:33,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:33,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:33,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:33,236 INFO L87 Difference]: Start difference. First operand 2825 states and 4364 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:35,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:35,359 INFO L93 Difference]: Finished difference Result 10753 states and 16707 transitions. [2022-10-16 17:02:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:02:35,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:35,416 INFO L225 Difference]: With dead ends: 10753 [2022-10-16 17:02:35,416 INFO L226 Difference]: Without dead ends: 7940 [2022-10-16 17:02:35,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:02:35,430 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 803 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:35,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1405 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:02:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2022-10-16 17:02:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 5404. [2022-10-16 17:02:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5404 states, 4746 states have (on average 1.5400337126000843) internal successors, (7309), 4788 states have internal predecessors, (7309), 418 states have call successors, (418), 198 states have call predecessors, (418), 230 states have return successors, (693), 449 states have call predecessors, (693), 418 states have call successors, (693) [2022-10-16 17:02:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 8420 transitions. [2022-10-16 17:02:36,082 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 8420 transitions. Word has length 88 [2022-10-16 17:02:36,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:36,083 INFO L495 AbstractCegarLoop]: Abstraction has 5404 states and 8420 transitions. [2022-10-16 17:02:36,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 8420 transitions. [2022-10-16 17:02:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:36,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:36,089 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] [2022-10-16 17:02:36,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:02:36,089 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:36,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:36,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2055602925, now seen corresponding path program 1 times [2022-10-16 17:02:36,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:36,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800726532] [2022-10-16 17:02:36,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:36,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:36,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:36,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800726532] [2022-10-16 17:02:36,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800726532] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:36,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:36,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:36,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833968703] [2022-10-16 17:02:36,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:36,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:36,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:36,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:36,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:36,268 INFO L87 Difference]: Start difference. First operand 5404 states and 8420 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:39,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:39,159 INFO L93 Difference]: Finished difference Result 20418 states and 31965 transitions. [2022-10-16 17:02:39,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:02:39,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:39,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:39,258 INFO L225 Difference]: With dead ends: 20418 [2022-10-16 17:02:39,258 INFO L226 Difference]: Without dead ends: 15026 [2022-10-16 17:02:39,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:02:39,283 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 660 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:39,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1455 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1476 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 17:02:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15026 states. [2022-10-16 17:02:40,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15026 to 10335. [2022-10-16 17:02:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10335 states, 9085 states have (on average 1.5413318657127133) internal successors, (14003), 9159 states have internal predecessors, (14003), 786 states have call successors, (786), 390 states have call predecessors, (786), 454 states have return successors, (1579), 849 states have call predecessors, (1579), 786 states have call successors, (1579) [2022-10-16 17:02:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10335 states to 10335 states and 16368 transitions. [2022-10-16 17:02:40,784 INFO L78 Accepts]: Start accepts. Automaton has 10335 states and 16368 transitions. Word has length 88 [2022-10-16 17:02:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:40,785 INFO L495 AbstractCegarLoop]: Abstraction has 10335 states and 16368 transitions. [2022-10-16 17:02:40,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 10335 states and 16368 transitions. [2022-10-16 17:02:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:40,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:40,795 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] [2022-10-16 17:02:40,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:02:40,795 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:40,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:40,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1285424213, now seen corresponding path program 1 times [2022-10-16 17:02:40,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:40,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163058917] [2022-10-16 17:02:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:40,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:40,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:40,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:40,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163058917] [2022-10-16 17:02:40,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163058917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:40,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:40,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:40,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483066234] [2022-10-16 17:02:40,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:40,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:40,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:40,968 INFO L87 Difference]: Start difference. First operand 10335 states and 16368 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:44,927 INFO L93 Difference]: Finished difference Result 37572 states and 59835 transitions. [2022-10-16 17:02:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:02:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:44,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:45,088 INFO L225 Difference]: With dead ends: 37572 [2022-10-16 17:02:45,088 INFO L226 Difference]: Without dead ends: 27249 [2022-10-16 17:02:45,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:02:45,231 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 680 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:45,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 1391 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:02:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27249 states. [2022-10-16 17:02:47,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27249 to 20387. [2022-10-16 17:02:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20387 states, 17985 states have (on average 1.5405615790936893) internal successors, (27707), 18123 states have internal predecessors, (27707), 1490 states have call successors, (1490), 774 states have call predecessors, (1490), 902 states have return successors, (3805), 1617 states have call predecessors, (3805), 1490 states have call successors, (3805) [2022-10-16 17:02:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20387 states to 20387 states and 33002 transitions. [2022-10-16 17:02:47,887 INFO L78 Accepts]: Start accepts. Automaton has 20387 states and 33002 transitions. Word has length 88 [2022-10-16 17:02:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:47,887 INFO L495 AbstractCegarLoop]: Abstraction has 20387 states and 33002 transitions. [2022-10-16 17:02:47,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 20387 states and 33002 transitions. [2022-10-16 17:02:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:47,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:47,911 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] [2022-10-16 17:02:47,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:02:47,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:47,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:47,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2017391639, now seen corresponding path program 1 times [2022-10-16 17:02:47,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:47,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970133237] [2022-10-16 17:02:47,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:02:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:02:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:02:48,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:48,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970133237] [2022-10-16 17:02:48,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970133237] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:02:48,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:02:48,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:02:48,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343462786] [2022-10-16 17:02:48,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:02:48,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:02:48,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:48,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:02:48,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:02:48,104 INFO L87 Difference]: Start difference. First operand 20387 states and 33002 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:54,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:02:54,553 INFO L93 Difference]: Finished difference Result 72138 states and 117583 transitions. [2022-10-16 17:02:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:02:54,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:02:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:02:54,914 INFO L225 Difference]: With dead ends: 72138 [2022-10-16 17:02:54,914 INFO L226 Difference]: Without dead ends: 51763 [2022-10-16 17:02:55,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:02:55,017 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 625 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:02:55,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1399 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 17:02:55,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51763 states. [2022-10-16 17:02:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51763 to 40360. [2022-10-16 17:02:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40360 states, 35718 states have (on average 1.5393079119771544) internal successors, (54981), 35984 states have internal predecessors, (54981), 2834 states have call successors, (2834), 1542 states have call predecessors, (2834), 1798 states have return successors, (9651), 3089 states have call predecessors, (9651), 2834 states have call successors, (9651) [2022-10-16 17:02:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40360 states to 40360 states and 67466 transitions. [2022-10-16 17:02:59,823 INFO L78 Accepts]: Start accepts. Automaton has 40360 states and 67466 transitions. Word has length 88 [2022-10-16 17:02:59,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:02:59,825 INFO L495 AbstractCegarLoop]: Abstraction has 40360 states and 67466 transitions. [2022-10-16 17:02:59,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:02:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 40360 states and 67466 transitions. [2022-10-16 17:02:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:02:59,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:02:59,865 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] [2022-10-16 17:02:59,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 17:02:59,866 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:02:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:02:59,866 INFO L85 PathProgramCache]: Analyzing trace with hash 591395819, now seen corresponding path program 1 times [2022-10-16 17:02:59,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:02:59,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067217916] [2022-10-16 17:02:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:02:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:02:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:02:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:02:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:02:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:03:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:03:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:03:00,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:00,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067217916] [2022-10-16 17:03:00,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067217916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:00,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:00,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:03:00,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522731800] [2022-10-16 17:03:00,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:00,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:03:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:03:00,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:03:00,036 INFO L87 Difference]: Start difference. First operand 40360 states and 67466 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:03:09,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:09,239 INFO L93 Difference]: Finished difference Result 114359 states and 188349 transitions. [2022-10-16 17:03:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 17:03:09,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 17:03:09,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:09,720 INFO L225 Difference]: With dead ends: 114359 [2022-10-16 17:03:09,721 INFO L226 Difference]: Without dead ends: 74012 [2022-10-16 17:03:10,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 17:03:10,141 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 843 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:10,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 1159 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 17:03:10,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74012 states. [2022-10-16 17:03:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74012 to 60207. [2022-10-16 17:03:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60207 states, 53177 states have (on average 1.5280666453541945) internal successors, (81258), 53700 states have internal predecessors, (81258), 4320 states have call successors, (4320), 2316 states have call predecessors, (4320), 2700 states have return successors, (13325), 4446 states have call predecessors, (13325), 4320 states have call successors, (13325) [2022-10-16 17:03:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60207 states to 60207 states and 98903 transitions. [2022-10-16 17:03:17,103 INFO L78 Accepts]: Start accepts. Automaton has 60207 states and 98903 transitions. Word has length 88 [2022-10-16 17:03:17,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:17,104 INFO L495 AbstractCegarLoop]: Abstraction has 60207 states and 98903 transitions. [2022-10-16 17:03:17,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:03:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 60207 states and 98903 transitions. [2022-10-16 17:03:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 17:03:17,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:17,142 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] [2022-10-16 17:03:17,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 17:03:17,142 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:03:17,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash -603383013, now seen corresponding path program 1 times [2022-10-16 17:03:17,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:17,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876838694] [2022-10-16 17:03:17,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:03:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:03:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:03:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:03:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:03:17,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:17,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876838694] [2022-10-16 17:03:17,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876838694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:17,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:17,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:17,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380984296] [2022-10-16 17:03:17,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:17,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:17,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:17,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:17,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:17,351 INFO L87 Difference]: Start difference. First operand 60207 states and 98903 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:03:29,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:29,628 INFO L93 Difference]: Finished difference Result 142461 states and 231864 transitions. [2022-10-16 17:03:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 17:03:29,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 89 [2022-10-16 17:03:29,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:30,517 INFO L225 Difference]: With dead ends: 142461 [2022-10-16 17:03:30,518 INFO L226 Difference]: Without dead ends: 82267 [2022-10-16 17:03:30,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:03:30,707 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 454 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:30,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 945 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 17:03:30,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82267 states. [2022-10-16 17:03:37,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82267 to 60594. [2022-10-16 17:03:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60594 states, 53564 states have (on average 1.5194533641998358) internal successors, (81388), 54087 states have internal predecessors, (81388), 4320 states have call successors, (4320), 2316 states have call predecessors, (4320), 2700 states have return successors, (13325), 4446 states have call predecessors, (13325), 4320 states have call successors, (13325) [2022-10-16 17:03:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60594 states to 60594 states and 99033 transitions. [2022-10-16 17:03:37,802 INFO L78 Accepts]: Start accepts. Automaton has 60594 states and 99033 transitions. Word has length 89 [2022-10-16 17:03:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:37,803 INFO L495 AbstractCegarLoop]: Abstraction has 60594 states and 99033 transitions. [2022-10-16 17:03:37,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:03:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 60594 states and 99033 transitions. [2022-10-16 17:03:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 17:03:37,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:37,843 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] [2022-10-16 17:03:37,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 17:03:37,844 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:03:37,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:37,844 INFO L85 PathProgramCache]: Analyzing trace with hash 657534237, now seen corresponding path program 1 times [2022-10-16 17:03:37,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:37,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528166106] [2022-10-16 17:03:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:37,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:03:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:03:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:03:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:03:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:03:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:38,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528166106] [2022-10-16 17:03:38,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528166106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:38,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:38,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:38,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964642035] [2022-10-16 17:03:38,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:38,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:38,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:38,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:38,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:38,034 INFO L87 Difference]: Start difference. First operand 60594 states and 99033 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:03:54,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:54,140 INFO L93 Difference]: Finished difference Result 157625 states and 252687 transitions. [2022-10-16 17:03:54,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 17:03:54,140 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 89 [2022-10-16 17:03:54,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:54,580 INFO L225 Difference]: With dead ends: 157625 [2022-10-16 17:03:54,580 INFO L226 Difference]: Without dead ends: 97044 [2022-10-16 17:03:54,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:54,768 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 454 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:54,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 937 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 17:03:54,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97044 states. [2022-10-16 17:04:02,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97044 to 61752. [2022-10-16 17:04:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61752 states, 54722 states have (on average 1.5084609480647637) internal successors, (82546), 55245 states have internal predecessors, (82546), 4320 states have call successors, (4320), 2316 states have call predecessors, (4320), 2700 states have return successors, (13325), 4446 states have call predecessors, (13325), 4320 states have call successors, (13325) [2022-10-16 17:04:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61752 states to 61752 states and 100191 transitions. [2022-10-16 17:04:02,735 INFO L78 Accepts]: Start accepts. Automaton has 61752 states and 100191 transitions. Word has length 89 [2022-10-16 17:04:02,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:04:02,735 INFO L495 AbstractCegarLoop]: Abstraction has 61752 states and 100191 transitions. [2022-10-16 17:04:02,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:04:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 61752 states and 100191 transitions. [2022-10-16 17:04:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 17:04:03,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:04:03,012 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] [2022-10-16 17:04:03,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 17:04:03,013 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 17:04:03,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:04:03,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1371051873, now seen corresponding path program 1 times [2022-10-16 17:04:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:04:03,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809001822] [2022-10-16 17:04:03,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:04:03,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:04:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:04:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 17:04:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 17:04:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 17:04:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 17:04:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:04:03,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:04:03,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809001822] [2022-10-16 17:04:03,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809001822] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:04:03,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:04:03,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:04:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738421247] [2022-10-16 17:04:03,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:04:03,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:04:03,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:04:03,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:04:03,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:04:03,235 INFO L87 Difference]: Start difference. First operand 61752 states and 100191 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:04:28,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:04:28,780 INFO L93 Difference]: Finished difference Result 230001 states and 374425 transitions. [2022-10-16 17:04:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 17:04:28,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 89 [2022-10-16 17:04:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:04:30,037 INFO L225 Difference]: With dead ends: 230001 [2022-10-16 17:04:30,040 INFO L226 Difference]: Without dead ends: 168262 [2022-10-16 17:04:30,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-10-16 17:04:30,298 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1483 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:04:30,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 1273 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 17:04:30,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168262 states.