/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.08.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:03:09,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:03:09,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:03:09,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:03:09,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:03:09,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:03:09,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:03:09,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:03:09,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:03:09,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:03:09,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:03:09,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:03:09,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:03:09,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:03:09,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:03:09,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:03:09,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:03:09,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:03:09,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:03:09,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:03:09,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:03:09,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:03:09,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:03:09,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:03:09,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 17:03:09,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 17:03:09,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 17:03:09,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 17:03:09,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 17:03:09,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 17:03:09,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:03:09,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:03:09,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:03:09,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:03:09,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:03:09,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:03:09,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:03:09,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:03:09,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:03:09,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:03:09,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:03:09,359 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 17:03:09,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:03:09,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:03:09,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:03:09,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:03:09,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:03:09,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:03:09,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:03:09,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:03:09,424 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:03:09,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:03:09,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:03:09,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:03:09,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:03:09,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:03:09,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:03:09,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:03:09,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:03:09,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:03:09,427 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:03:09,428 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:03:09,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:03:09,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:03:09,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:03:09,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:03:09,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:03:09,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:03:09,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:03:09,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:03:09,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:03:09,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:03:09,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:03:09,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:03:09,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:03:09,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:03:09,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:03:09,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:03:09,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:03:09,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:03:09,893 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:03:09,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.08.cil-2.c [2022-10-16 17:03:09,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b9b6a20/75367e367a1f4479ac6132333a65520c/FLAG9f51faecb [2022-10-16 17:03:10,613 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:03:10,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.08.cil-2.c [2022-10-16 17:03:10,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b9b6a20/75367e367a1f4479ac6132333a65520c/FLAG9f51faecb [2022-10-16 17:03:10,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b9b6a20/75367e367a1f4479ac6132333a65520c [2022-10-16 17:03:10,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:03:10,935 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:03:10,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:03:10,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:03:10,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:03:10,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:03:10" (1/1) ... [2022-10-16 17:03:10,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2404b37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:10, skipping insertion in model container [2022-10-16 17:03:10,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:03:10" (1/1) ... [2022-10-16 17:03:10,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:03:11,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:03:11,285 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.08.cil-2.c[671,684] [2022-10-16 17:03:11,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:03:11,442 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:03:11,456 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.08.cil-2.c[671,684] [2022-10-16 17:03:11,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:03:11,567 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:03:11,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11 WrapperNode [2022-10-16 17:03:11,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:03:11,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:03:11,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:03:11,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:03:11,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,640 INFO L138 Inliner]: procedures = 44, calls = 56, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 644 [2022-10-16 17:03:11,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:03:11,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:03:11,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:03:11,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:03:11,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:03:11,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:03:11,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:03:11,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:03:11,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (1/1) ... [2022-10-16 17:03:11,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:03:11,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:03:11,784 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 17:03:11,805 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 17:03:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:03:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 17:03:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 17:03:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 17:03:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 17:03:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 17:03:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 17:03:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-16 17:03:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-16 17:03:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 17:03:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 17:03:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 17:03:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 17:03:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:03:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 17:03:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 17:03:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:03:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:03:12,019 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:03:12,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:03:12,896 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:03:12,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:03:12,909 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-16 17:03:12,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:03:12 BoogieIcfgContainer [2022-10-16 17:03:12,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:03:12,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:03:12,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:03:12,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:03:12,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:03:10" (1/3) ... [2022-10-16 17:03:12,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7721e935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:03:12, skipping insertion in model container [2022-10-16 17:03:12,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:03:11" (2/3) ... [2022-10-16 17:03:12,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7721e935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:03:12, skipping insertion in model container [2022-10-16 17:03:12,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:03:12" (3/3) ... [2022-10-16 17:03:12,922 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-2.c [2022-10-16 17:03:12,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:03:12,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-16 17:03:13,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:03:13,026 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;@21a469f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:03:13,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-16 17:03:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 267 states have (on average 1.692883895131086) internal successors, (452), 288 states have internal predecessors, (452), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-10-16 17:03:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:13,053 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:13,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:13,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:13,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:13,067 INFO L85 PathProgramCache]: Analyzing trace with hash -773957493, now seen corresponding path program 1 times [2022-10-16 17:03:13,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:13,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301232922] [2022-10-16 17:03:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:13,830 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 17:03:13,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:13,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301232922] [2022-10-16 17:03:13,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301232922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:13,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:13,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 17:03:13,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115924226] [2022-10-16 17:03:13,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:13,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:03:13,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:13,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:03:13,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:03:13,889 INFO L87 Difference]: Start difference. First operand has 317 states, 267 states have (on average 1.692883895131086) internal successors, (452), 288 states have internal predecessors, (452), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 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 17:03:15,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:15,378 INFO L93 Difference]: Finished difference Result 720 states and 1152 transitions. [2022-10-16 17:03:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:03:15,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:15,399 INFO L225 Difference]: With dead ends: 720 [2022-10-16 17:03:15,399 INFO L226 Difference]: Without dead ends: 406 [2022-10-16 17:03:15,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:03:15,411 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 769 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:15,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 882 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:03:15,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-10-16 17:03:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 308. [2022-10-16 17:03:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 262 states have (on average 1.6068702290076335) internal successors, (421), 280 states have internal predecessors, (421), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-10-16 17:03:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 465 transitions. [2022-10-16 17:03:15,523 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 465 transitions. Word has length 132 [2022-10-16 17:03:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:15,524 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 465 transitions. [2022-10-16 17:03:15,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 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 17:03:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 465 transitions. [2022-10-16 17:03:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:15,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:15,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:15,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:03:15,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:15,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:15,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1262004599, now seen corresponding path program 1 times [2022-10-16 17:03:15,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:15,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390964594] [2022-10-16 17:03:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:15,952 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 17:03:15,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:15,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390964594] [2022-10-16 17:03:15,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390964594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:15,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:15,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:03:15,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128734227] [2022-10-16 17:03:15,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:15,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:03:15,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:15,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:03:15,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:03:15,958 INFO L87 Difference]: Start difference. First operand 308 states and 465 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 4 states have internal predecessors, (122), 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 17:03:18,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:18,327 INFO L93 Difference]: Finished difference Result 1098 states and 1702 transitions. [2022-10-16 17:03:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 17:03:18,328 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 4 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:18,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:18,335 INFO L225 Difference]: With dead ends: 1098 [2022-10-16 17:03:18,336 INFO L226 Difference]: Without dead ends: 806 [2022-10-16 17:03:18,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:03:18,339 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 1128 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:18,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 1375 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 17:03:18,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2022-10-16 17:03:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 595. [2022-10-16 17:03:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 525 states have (on average 1.6171428571428572) internal successors, (849), 544 states have internal predecessors, (849), 39 states have call successors, (39), 12 states have call predecessors, (39), 13 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2022-10-16 17:03:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 930 transitions. [2022-10-16 17:03:18,468 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 930 transitions. Word has length 132 [2022-10-16 17:03:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:18,471 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 930 transitions. [2022-10-16 17:03:18,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 4 states have internal predecessors, (122), 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 17:03:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 930 transitions. [2022-10-16 17:03:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:18,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:18,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:18,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:03:18,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:18,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:18,486 INFO L85 PathProgramCache]: Analyzing trace with hash 345514885, now seen corresponding path program 1 times [2022-10-16 17:03:18,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:18,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766090887] [2022-10-16 17:03:18,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:18,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:18,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:18,886 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 17:03:18,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:18,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766090887] [2022-10-16 17:03:18,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766090887] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:18,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:18,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:18,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873964676] [2022-10-16 17:03:18,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:18,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:18,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:18,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:18,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:18,889 INFO L87 Difference]: Start difference. First operand 595 states and 930 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:21,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:21,855 INFO L93 Difference]: Finished difference Result 1781 states and 2812 transitions. [2022-10-16 17:03:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:21,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:21,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:21,868 INFO L225 Difference]: With dead ends: 1781 [2022-10-16 17:03:21,868 INFO L226 Difference]: Without dead ends: 1202 [2022-10-16 17:03:21,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:21,877 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 1142 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2219 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:21,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2464 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 2219 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 17:03:21,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-10-16 17:03:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 863. [2022-10-16 17:03:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 769 states have (on average 1.611183355006502) internal successors, (1239), 789 states have internal predecessors, (1239), 56 states have call successors, (56), 18 states have call predecessors, (56), 20 states have return successors, (61), 57 states have call predecessors, (61), 56 states have call successors, (61) [2022-10-16 17:03:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1356 transitions. [2022-10-16 17:03:22,014 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1356 transitions. Word has length 132 [2022-10-16 17:03:22,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:22,015 INFO L495 AbstractCegarLoop]: Abstraction has 863 states and 1356 transitions. [2022-10-16 17:03:22,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1356 transitions. [2022-10-16 17:03:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:22,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:22,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:22,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:03:22,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:22,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2072659847, now seen corresponding path program 1 times [2022-10-16 17:03:22,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:22,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645428086] [2022-10-16 17:03:22,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:22,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:22,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:03:22,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:22,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645428086] [2022-10-16 17:03:22,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645428086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:22,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:22,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:22,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263410146] [2022-10-16 17:03:22,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:22,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:22,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:22,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:22,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:22,440 INFO L87 Difference]: Start difference. First operand 863 states and 1356 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:25,145 INFO L93 Difference]: Finished difference Result 2788 states and 4438 transitions. [2022-10-16 17:03:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:25,158 INFO L225 Difference]: With dead ends: 2788 [2022-10-16 17:03:25,158 INFO L226 Difference]: Without dead ends: 1941 [2022-10-16 17:03:25,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:25,164 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1219 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:25,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 1652 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 17:03:25,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-10-16 17:03:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1400. [2022-10-16 17:03:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1258 states have (on average 1.6057233704292528) internal successors, (2020), 1280 states have internal predecessors, (2020), 90 states have call successors, (90), 30 states have call predecessors, (90), 34 states have return successors, (103), 93 states have call predecessors, (103), 90 states have call successors, (103) [2022-10-16 17:03:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2213 transitions. [2022-10-16 17:03:25,352 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2213 transitions. Word has length 132 [2022-10-16 17:03:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:25,352 INFO L495 AbstractCegarLoop]: Abstraction has 1400 states and 2213 transitions. [2022-10-16 17:03:25,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2213 transitions. [2022-10-16 17:03:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:25,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:25,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:25,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:03:25,356 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:25,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1750951099, now seen corresponding path program 1 times [2022-10-16 17:03:25,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:25,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256440430] [2022-10-16 17:03:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:25,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:25,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:25,589 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 17:03:25,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:25,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256440430] [2022-10-16 17:03:25,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256440430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:25,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:25,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:25,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597948275] [2022-10-16 17:03:25,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:25,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:25,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:25,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:25,592 INFO L87 Difference]: Start difference. First operand 1400 states and 2213 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:28,718 INFO L93 Difference]: Finished difference Result 4729 states and 7559 transitions. [2022-10-16 17:03:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:28,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:28,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:28,746 INFO L225 Difference]: With dead ends: 4729 [2022-10-16 17:03:28,746 INFO L226 Difference]: Without dead ends: 3345 [2022-10-16 17:03:28,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:28,754 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 1134 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:28,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 2454 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 17:03:28,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2022-10-16 17:03:29,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 2475. [2022-10-16 17:03:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2237 states have (on average 1.6012516763522575) internal successors, (3582), 2263 states have internal predecessors, (3582), 158 states have call successors, (158), 54 states have call predecessors, (158), 62 states have return successors, (193), 165 states have call predecessors, (193), 158 states have call successors, (193) [2022-10-16 17:03:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3933 transitions. [2022-10-16 17:03:29,101 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3933 transitions. Word has length 132 [2022-10-16 17:03:29,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:29,102 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 3933 transitions. [2022-10-16 17:03:29,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3933 transitions. [2022-10-16 17:03:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:29,105 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:29,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:29,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:03:29,106 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:29,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash 896653255, now seen corresponding path program 1 times [2022-10-16 17:03:29,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:29,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801069812] [2022-10-16 17:03:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:29,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:29,380 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 17:03:29,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:29,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801069812] [2022-10-16 17:03:29,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801069812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:29,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:29,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160609121] [2022-10-16 17:03:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:29,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:29,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:29,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:29,387 INFO L87 Difference]: Start difference. First operand 2475 states and 3933 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:32,712 INFO L93 Difference]: Finished difference Result 8610 states and 13817 transitions. [2022-10-16 17:03:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:32,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:32,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:32,758 INFO L225 Difference]: With dead ends: 8610 [2022-10-16 17:03:32,759 INFO L226 Difference]: Without dead ends: 6151 [2022-10-16 17:03:32,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:32,772 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 1130 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:32,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 2450 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 17:03:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2022-10-16 17:03:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 4630. [2022-10-16 17:03:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4630 states, 4200 states have (on average 1.598095238095238) internal successors, (6712), 4234 states have internal predecessors, (6712), 294 states have call successors, (294), 102 states have call predecessors, (294), 118 states have return successors, (391), 309 states have call predecessors, (391), 294 states have call successors, (391) [2022-10-16 17:03:33,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4630 states and 7397 transitions. [2022-10-16 17:03:33,454 INFO L78 Accepts]: Start accepts. Automaton has 4630 states and 7397 transitions. Word has length 132 [2022-10-16 17:03:33,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:33,454 INFO L495 AbstractCegarLoop]: Abstraction has 4630 states and 7397 transitions. [2022-10-16 17:03:33,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 7397 transitions. [2022-10-16 17:03:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:33,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:33,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:33,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:03:33,461 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:33,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1234697467, now seen corresponding path program 1 times [2022-10-16 17:03:33,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:33,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99264703] [2022-10-16 17:03:33,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:33,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:33,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:33,690 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 17:03:33,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:33,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99264703] [2022-10-16 17:03:33,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99264703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:33,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:33,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:33,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222503672] [2022-10-16 17:03:33,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:33,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:33,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:33,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:33,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:33,693 INFO L87 Difference]: Start difference. First operand 4630 states and 7397 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:37,475 INFO L93 Difference]: Finished difference Result 16371 states and 26391 transitions. [2022-10-16 17:03:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:37,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:37,561 INFO L225 Difference]: With dead ends: 16371 [2022-10-16 17:03:37,562 INFO L226 Difference]: Without dead ends: 11757 [2022-10-16 17:03:37,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:37,588 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1126 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 2446 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:37,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 2446 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 17:03:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11757 states. [2022-10-16 17:03:39,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11757 to 8953. [2022-10-16 17:03:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8139 states have (on average 1.5960191669738297) internal successors, (12990), 8189 states have internal predecessors, (12990), 566 states have call successors, (566), 198 states have call predecessors, (566), 230 states have return successors, (841), 597 states have call predecessors, (841), 566 states have call successors, (841) [2022-10-16 17:03:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 14397 transitions. [2022-10-16 17:03:39,070 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 14397 transitions. Word has length 132 [2022-10-16 17:03:39,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:39,071 INFO L495 AbstractCegarLoop]: Abstraction has 8953 states and 14397 transitions. [2022-10-16 17:03:39,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 14397 transitions. [2022-10-16 17:03:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:39,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:39,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:39,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:03:39,084 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2021685255, now seen corresponding path program 1 times [2022-10-16 17:03:39,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:39,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473444690] [2022-10-16 17:03:39,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:39,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:39,371 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 17:03:39,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:39,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473444690] [2022-10-16 17:03:39,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473444690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:39,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:39,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:39,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914415241] [2022-10-16 17:03:39,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:39,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:39,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:39,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:39,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:39,374 INFO L87 Difference]: Start difference. First operand 8953 states and 14397 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:44,567 INFO L93 Difference]: Finished difference Result 31892 states and 51729 transitions. [2022-10-16 17:03:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:44,697 INFO L225 Difference]: With dead ends: 31892 [2022-10-16 17:03:44,698 INFO L226 Difference]: Without dead ends: 22955 [2022-10-16 17:03:44,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:44,746 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1125 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1140 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:44,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1140 Valid, 2440 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 17:03:44,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22955 states. [2022-10-16 17:03:47,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22955 to 17628. [2022-10-16 17:03:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17628 states, 16046 states have (on average 1.5946653371556774) internal successors, (25588), 16128 states have internal predecessors, (25588), 1110 states have call successors, (1110), 390 states have call predecessors, (1110), 454 states have return successors, (1903), 1173 states have call predecessors, (1903), 1110 states have call successors, (1903) [2022-10-16 17:03:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17628 states to 17628 states and 28601 transitions. [2022-10-16 17:03:47,743 INFO L78 Accepts]: Start accepts. Automaton has 17628 states and 28601 transitions. Word has length 132 [2022-10-16 17:03:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:03:47,744 INFO L495 AbstractCegarLoop]: Abstraction has 17628 states and 28601 transitions. [2022-10-16 17:03:47,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 17628 states and 28601 transitions. [2022-10-16 17:03:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:03:47,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:03:47,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:03:47,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:03:47,773 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:03:47,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:03:47,774 INFO L85 PathProgramCache]: Analyzing trace with hash 48519877, now seen corresponding path program 1 times [2022-10-16 17:03:47,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:03:47,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622011993] [2022-10-16 17:03:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:03:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:03:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:03:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:03:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:03:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:03:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:03:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:03:48,097 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 17:03:48,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:03:48,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622011993] [2022-10-16 17:03:48,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622011993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:03:48,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:03:48,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:03:48,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108268887] [2022-10-16 17:03:48,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:03:48,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:03:48,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:03:48,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:03:48,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:03:48,102 INFO L87 Difference]: Start difference. First operand 17628 states and 28601 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:03:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:03:56,821 INFO L93 Difference]: Finished difference Result 62870 states and 102879 transitions. [2022-10-16 17:03:56,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:03:56,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:03:56,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:03:57,047 INFO L225 Difference]: With dead ends: 62870 [2022-10-16 17:03:57,048 INFO L226 Difference]: Without dead ends: 45258 [2022-10-16 17:03:57,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:03:57,142 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 1120 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:03:57,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 2432 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 17:03:57,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45258 states. [2022-10-16 17:04:01,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45258 to 35104. [2022-10-16 17:04:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35104 states, 31986 states have (on average 1.5945726255236665) internal successors, (51004), 32132 states have internal predecessors, (51004), 2198 states have call successors, (2198), 774 states have call predecessors, (2198), 902 states have return successors, (4513), 2325 states have call predecessors, (4513), 2198 states have call successors, (4513) [2022-10-16 17:04:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35104 states to 35104 states and 57715 transitions. [2022-10-16 17:04:01,390 INFO L78 Accepts]: Start accepts. Automaton has 35104 states and 57715 transitions. Word has length 132 [2022-10-16 17:04:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:04:01,391 INFO L495 AbstractCegarLoop]: Abstraction has 35104 states and 57715 transitions. [2022-10-16 17:04:01,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:04:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 35104 states and 57715 transitions. [2022-10-16 17:04:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:04:01,418 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:04:01,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:04:01,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:04:01,419 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:04:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:04:01,419 INFO L85 PathProgramCache]: Analyzing trace with hash -574761725, now seen corresponding path program 1 times [2022-10-16 17:04:01,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:04:01,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332642711] [2022-10-16 17:04:01,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:04:01,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:04:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:04:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:04:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:04:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:04:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:04:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:01,653 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 17:04:01,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:04:01,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332642711] [2022-10-16 17:04:01,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332642711] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:04:01,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:04:01,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:04:01,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207648198] [2022-10-16 17:04:01,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:04:01,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:04:01,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:04:01,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:04:01,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:04:01,655 INFO L87 Difference]: Start difference. First operand 35104 states and 57715 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:04:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:04:18,943 INFO L93 Difference]: Finished difference Result 140444 states and 230837 transitions. [2022-10-16 17:04:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:04:18,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:04:18,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:04:19,598 INFO L225 Difference]: With dead ends: 140444 [2022-10-16 17:04:19,598 INFO L226 Difference]: Without dead ends: 105356 [2022-10-16 17:04:19,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:04:19,780 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 1449 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:04:19,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 2417 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 17:04:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105356 states. [2022-10-16 17:04:29,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105356 to 69669. [2022-10-16 17:04:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69669 states, 63607 states have (on average 1.5938811766000598) internal successors, (101382), 63881 states have internal predecessors, (101382), 4246 states have call successors, (4246), 1542 states have call predecessors, (4246), 1798 states have return successors, (11063), 4501 states have call predecessors, (11063), 4246 states have call successors, (11063) [2022-10-16 17:04:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69669 states to 69669 states and 116691 transitions. [2022-10-16 17:04:29,723 INFO L78 Accepts]: Start accepts. Automaton has 69669 states and 116691 transitions. Word has length 132 [2022-10-16 17:04:29,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:04:29,724 INFO L495 AbstractCegarLoop]: Abstraction has 69669 states and 116691 transitions. [2022-10-16 17:04:29,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:04:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 69669 states and 116691 transitions. [2022-10-16 17:04:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:04:29,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:04:29,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:04:29,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 17:04:29,772 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:04:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:04:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash -456320251, now seen corresponding path program 1 times [2022-10-16 17:04:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:04:29,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981421456] [2022-10-16 17:04:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:04:29,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:04:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:04:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:04:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:04:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:04:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:04:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:04:30,081 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 17:04:30,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:04:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981421456] [2022-10-16 17:04:30,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981421456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:04:30,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:04:30,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:04:30,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838479378] [2022-10-16 17:04:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:04:30,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:04:30,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:04:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:04:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:04:30,086 INFO L87 Difference]: Start difference. First operand 69669 states and 116691 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:05:05,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:05:05,262 INFO L93 Difference]: Finished difference Result 275495 states and 461283 transitions. [2022-10-16 17:05:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 17:05:05,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 132 [2022-10-16 17:05:05,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:05:06,700 INFO L225 Difference]: With dead ends: 275495 [2022-10-16 17:05:06,700 INFO L226 Difference]: Without dead ends: 205842 [2022-10-16 17:05:07,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:05:07,268 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 1265 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 17:05:07,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 1782 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 17:05:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205842 states. [2022-10-16 17:05:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205842 to 135726. [2022-10-16 17:05:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135726 states, 123904 states have (on average 1.5942019628099173) internal successors, (197528), 124434 states have internal predecessors, (197528), 8214 states have call successors, (8214), 3078 states have call predecessors, (8214), 3590 states have return successors, (28409), 8725 states have call predecessors, (28409), 8214 states have call successors, (28409) [2022-10-16 17:05:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135726 states to 135726 states and 234151 transitions. [2022-10-16 17:05:26,008 INFO L78 Accepts]: Start accepts. Automaton has 135726 states and 234151 transitions. Word has length 132 [2022-10-16 17:05:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:05:26,011 INFO L495 AbstractCegarLoop]: Abstraction has 135726 states and 234151 transitions. [2022-10-16 17:05:26,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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 17:05:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 135726 states and 234151 transitions. [2022-10-16 17:05:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 17:05:26,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:05:26,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:05:26,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 17:05:26,110 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 17:05:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:05:26,111 INFO L85 PathProgramCache]: Analyzing trace with hash 932973763, now seen corresponding path program 1 times [2022-10-16 17:05:26,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:05:26,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529630046] [2022-10-16 17:05:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:05:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:05:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:05:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:05:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:05:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 17:05:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:05:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 17:05:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:05:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 17:05:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:05:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 17:05:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:05:26,336 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 17:05:26,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:05:26,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529630046] [2022-10-16 17:05:26,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529630046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:05:26,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:05:26,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:05:26,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501610156] [2022-10-16 17:05:26,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:05:26,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:05:26,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:05:26,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:05:26,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:05:26,339 INFO L87 Difference]: Start difference. First operand 135726 states and 234151 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 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)