/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.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:06:23,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:06:23,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:06:23,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:06:23,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:06:23,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:06:23,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:06:23,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:06:23,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:06:23,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:06:23,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:06:23,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:06:23,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:06:23,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:06:23,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:06:23,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:06:23,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:06:23,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:06:23,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:06:23,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:06:23,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:06:23,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:06:23,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:06:23,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:06:23,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 17:06:23,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 17:06:23,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 17:06:23,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 17:06:23,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 17:06:23,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 17:06:23,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:06:23,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:06:23,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:06:23,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:06:23,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:06:23,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:06:23,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:06:23,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:06:23,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:06:23,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:06:23,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:06:23,875 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 17:06:23,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:06:23,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:06:23,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:06:23,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:06:23,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:06:23,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:06:23,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:06:23,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:06:23,939 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:06:23,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:06:23,940 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:06:23,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:06:23,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:06:23,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:06:23,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:06:23,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:06:23,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:06:23,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:06:23,941 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:06:23,941 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:06:23,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:06:23,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:06:23,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:06:23,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:06:23,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:06:23,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:06:23,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:06:23,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:06:23,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:06:23,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:06:23,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:06:23,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:06:23,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:06:23,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:06:24,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:06:24,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:06:24,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:06:24,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:06:24,382 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:06:24,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.15.cil.c [2022-10-16 17:06:24,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9b71dea/dd4616480581435a9c74d62c5df79a61/FLAGb958bf176 [2022-10-16 17:06:25,101 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:06:25,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.15.cil.c [2022-10-16 17:06:25,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9b71dea/dd4616480581435a9c74d62c5df79a61/FLAGb958bf176 [2022-10-16 17:06:25,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9b71dea/dd4616480581435a9c74d62c5df79a61 [2022-10-16 17:06:25,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:06:25,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:06:25,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:06:25,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:06:25,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:06:25,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:06:25" (1/1) ... [2022-10-16 17:06:25,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e27e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:25, skipping insertion in model container [2022-10-16 17:06:25,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:06:25" (1/1) ... [2022-10-16 17:06:25,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:06:25,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:06:25,649 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.15.cil.c[669,682] [2022-10-16 17:06:25,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:06:25,902 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:06:25,917 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.15.cil.c[669,682] [2022-10-16 17:06:26,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:06:26,037 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:06:26,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26 WrapperNode [2022-10-16 17:06:26,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:06:26,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:06:26,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:06:26,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:06:26,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,139 INFO L138 Inliner]: procedures = 54, calls = 71, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 942 [2022-10-16 17:06:26,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:06:26,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:06:26,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:06:26,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:06:26,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:06:26,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:06:26,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:06:26,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:06:26,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (1/1) ... [2022-10-16 17:06:26,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:06:26,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:06:26,299 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 17:06:26,308 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 17:06:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:06:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 17:06:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 17:06:26,359 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-16 17:06:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-16 17:06:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 17:06:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 17:06:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 17:06:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 17:06:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 17:06:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 17:06:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 17:06:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 17:06:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 17:06:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 17:06:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:06:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:06:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:06:26,497 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:06:26,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:06:27,717 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:06:27,742 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:06:27,743 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-16 17:06:27,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:06:27 BoogieIcfgContainer [2022-10-16 17:06:27,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:06:27,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:06:27,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:06:27,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:06:27,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:06:25" (1/3) ... [2022-10-16 17:06:27,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73584978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:06:27, skipping insertion in model container [2022-10-16 17:06:27,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:26" (2/3) ... [2022-10-16 17:06:27,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73584978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:06:27, skipping insertion in model container [2022-10-16 17:06:27,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:06:27" (3/3) ... [2022-10-16 17:06:27,760 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.15.cil.c [2022-10-16 17:06:27,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:06:27,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 17:06:27,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:06:27,914 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;@1fcf423c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:06:27,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 17:06:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 455 states, 390 states have (on average 1.7128205128205127) internal successors, (668), 421 states have internal predecessors, (668), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2022-10-16 17:06:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:27,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:27,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:27,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:27,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:27,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1897692187, now seen corresponding path program 1 times [2022-10-16 17:06:27,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:27,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781247753] [2022-10-16 17:06:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:27,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:28,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:28,886 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 17:06:28,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:28,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781247753] [2022-10-16 17:06:28,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781247753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:28,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:28,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 17:06:28,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984227764] [2022-10-16 17:06:28,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:28,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:06:28,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:28,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:06:28,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:06:28,935 INFO L87 Difference]: Start difference. First operand has 455 states, 390 states have (on average 1.7128205128205127) internal successors, (668), 421 states have internal predecessors, (668), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 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 17:06:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:31,226 INFO L93 Difference]: Finished difference Result 1049 states and 1695 transitions. [2022-10-16 17:06:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:06:31,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 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 187 [2022-10-16 17:06:31,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:31,249 INFO L225 Difference]: With dead ends: 1049 [2022-10-16 17:06:31,249 INFO L226 Difference]: Without dead ends: 599 [2022-10-16 17:06:31,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:06:31,263 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 1153 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:31,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 1275 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 17:06:31,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-10-16 17:06:31,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 446. [2022-10-16 17:06:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 385 states have (on average 1.6285714285714286) internal successors, (627), 413 states have internal predecessors, (627), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-10-16 17:06:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 681 transitions. [2022-10-16 17:06:31,438 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 681 transitions. Word has length 187 [2022-10-16 17:06:31,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:31,439 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 681 transitions. [2022-10-16 17:06:31,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 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 17:06:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 681 transitions. [2022-10-16 17:06:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:31,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:31,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:31,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:06:31,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:31,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:31,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1067038553, now seen corresponding path program 1 times [2022-10-16 17:06:31,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:31,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082289270] [2022-10-16 17:06:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:31,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:31,999 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 17:06:31,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:32,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082289270] [2022-10-16 17:06:32,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082289270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:32,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:32,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:06:32,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058738534] [2022-10-16 17:06:32,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:32,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:06:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:32,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:06:32,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:06:32,004 INFO L87 Difference]: Start difference. First operand 446 states and 681 transitions. Second operand has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 17:06:35,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:35,986 INFO L93 Difference]: Finished difference Result 1622 states and 2540 transitions. [2022-10-16 17:06:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 17:06:35,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 187 [2022-10-16 17:06:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:35,997 INFO L225 Difference]: With dead ends: 1622 [2022-10-16 17:06:35,997 INFO L226 Difference]: Without dead ends: 1197 [2022-10-16 17:06:36,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:06:36,002 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 1714 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:36,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 1995 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-10-16 17:06:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-10-16 17:06:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 866. [2022-10-16 17:06:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 776 states have (on average 1.6378865979381443) internal successors, (1271), 805 states have internal predecessors, (1271), 49 states have call successors, (49), 12 states have call predecessors, (49), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2022-10-16 17:06:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1372 transitions. [2022-10-16 17:06:36,142 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1372 transitions. Word has length 187 [2022-10-16 17:06:36,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:36,143 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1372 transitions. [2022-10-16 17:06:36,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 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 17:06:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1372 transitions. [2022-10-16 17:06:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:36,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:36,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:36,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:06:36,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:36,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:36,149 INFO L85 PathProgramCache]: Analyzing trace with hash -863374173, now seen corresponding path program 1 times [2022-10-16 17:06:36,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:36,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570253234] [2022-10-16 17:06:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:36,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,508 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 17:06:36,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:36,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570253234] [2022-10-16 17:06:36,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570253234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:36,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:36,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:36,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876404510] [2022-10-16 17:06:36,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:36,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:36,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:36,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:36,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:36,512 INFO L87 Difference]: Start difference. First operand 866 states and 1372 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:39,100 INFO L93 Difference]: Finished difference Result 2040 states and 3280 transitions. [2022-10-16 17:06:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:06:39,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:06:39,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:39,109 INFO L225 Difference]: With dead ends: 2040 [2022-10-16 17:06:39,110 INFO L226 Difference]: Without dead ends: 1195 [2022-10-16 17:06:39,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:06:39,115 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 1247 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 1632 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:39,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 1924 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1632 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 17:06:39,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2022-10-16 17:06:39,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 866. [2022-10-16 17:06:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 776 states have (on average 1.6353092783505154) internal successors, (1269), 805 states have internal predecessors, (1269), 49 states have call successors, (49), 12 states have call predecessors, (49), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2022-10-16 17:06:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1370 transitions. [2022-10-16 17:06:39,248 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1370 transitions. Word has length 187 [2022-10-16 17:06:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:39,249 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1370 transitions. [2022-10-16 17:06:39,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1370 transitions. [2022-10-16 17:06:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:39,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:39,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:39,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:06:39,253 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:39,254 INFO L85 PathProgramCache]: Analyzing trace with hash -364817371, now seen corresponding path program 1 times [2022-10-16 17:06:39,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:39,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444315977] [2022-10-16 17:06:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,616 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 17:06:39,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:39,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444315977] [2022-10-16 17:06:39,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444315977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:39,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:39,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:39,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172547980] [2022-10-16 17:06:39,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:39,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:39,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:39,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:39,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:39,620 INFO L87 Difference]: Start difference. First operand 866 states and 1370 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:44,538 INFO L93 Difference]: Finished difference Result 2633 states and 4207 transitions. [2022-10-16 17:06:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:44,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:06:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:44,553 INFO L225 Difference]: With dead ends: 2633 [2022-10-16 17:06:44,553 INFO L226 Difference]: Without dead ends: 1788 [2022-10-16 17:06:44,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:44,559 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 1745 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3337 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 3575 SdHoareTripleChecker+Invalid, 3422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:44,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 3575 Invalid, 3422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3337 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:06:44,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2022-10-16 17:06:44,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1258. [2022-10-16 17:06:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1139 states have (on average 1.6294995610184373) internal successors, (1856), 1169 states have internal predecessors, (1856), 71 states have call successors, (71), 18 states have call predecessors, (71), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2022-10-16 17:06:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 2003 transitions. [2022-10-16 17:06:44,774 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 2003 transitions. Word has length 187 [2022-10-16 17:06:44,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:44,777 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 2003 transitions. [2022-10-16 17:06:44,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 2003 transitions. [2022-10-16 17:06:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:44,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:44,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:44,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:06:44,789 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:44,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:44,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1039051815, now seen corresponding path program 1 times [2022-10-16 17:06:44,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:44,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008194426] [2022-10-16 17:06:44,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:44,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,166 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 17:06:45,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:45,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008194426] [2022-10-16 17:06:45,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008194426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:45,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:45,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:45,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176632888] [2022-10-16 17:06:45,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:45,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:45,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:45,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:45,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:45,170 INFO L87 Difference]: Start difference. First operand 1258 states and 2003 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:50,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:50,319 INFO L93 Difference]: Finished difference Result 4125 states and 6650 transitions. [2022-10-16 17:06:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:50,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:06:50,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:50,340 INFO L225 Difference]: With dead ends: 4125 [2022-10-16 17:06:50,340 INFO L226 Difference]: Without dead ends: 2888 [2022-10-16 17:06:50,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:50,347 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 1741 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3317 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3568 SdHoareTripleChecker+Invalid, 3403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:50,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 3568 Invalid, 3403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3317 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:06:50,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2022-10-16 17:06:50,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2045. [2022-10-16 17:06:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 1868 states have (on average 1.6247323340471092) internal successors, (3035), 1900 states have internal predecessors, (3035), 115 states have call successors, (115), 30 states have call predecessors, (115), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2022-10-16 17:06:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 3278 transitions. [2022-10-16 17:06:50,724 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 3278 transitions. Word has length 187 [2022-10-16 17:06:50,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:50,724 INFO L495 AbstractCegarLoop]: Abstraction has 2045 states and 3278 transitions. [2022-10-16 17:06:50,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 3278 transitions. [2022-10-16 17:06:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:50,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:50,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:50,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:06:50,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:50,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash 253053925, now seen corresponding path program 1 times [2022-10-16 17:06:50,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:50,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009369825] [2022-10-16 17:06:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:51,075 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 17:06:51,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:51,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009369825] [2022-10-16 17:06:51,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009369825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:51,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:51,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:51,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667521662] [2022-10-16 17:06:51,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:51,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:51,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:51,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:51,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:51,079 INFO L87 Difference]: Start difference. First operand 2045 states and 3278 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:56,340 INFO L93 Difference]: Finished difference Result 7008 states and 11349 transitions. [2022-10-16 17:06:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:56,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:06:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:56,374 INFO L225 Difference]: With dead ends: 7008 [2022-10-16 17:06:56,374 INFO L226 Difference]: Without dead ends: 4984 [2022-10-16 17:06:56,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:56,385 INFO L413 NwaCegarLoop]: 1149 mSDtfsCounter, 1740 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3309 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 3563 SdHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:56,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 3563 Invalid, 3395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3309 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 17:06:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2022-10-16 17:06:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 3622. [2022-10-16 17:06:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3622 states, 3329 states have (on average 1.621207569840793) internal successors, (5397), 3365 states have internal predecessors, (5397), 203 states have call successors, (203), 54 states have call predecessors, (203), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2022-10-16 17:06:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 3622 states and 5838 transitions. [2022-10-16 17:06:57,012 INFO L78 Accepts]: Start accepts. Automaton has 3622 states and 5838 transitions. Word has length 187 [2022-10-16 17:06:57,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:57,012 INFO L495 AbstractCegarLoop]: Abstraction has 3622 states and 5838 transitions. [2022-10-16 17:06:57,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:06:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3622 states and 5838 transitions. [2022-10-16 17:06:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:57,017 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:57,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:57,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:06:57,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:57,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:57,019 INFO L85 PathProgramCache]: Analyzing trace with hash 920435815, now seen corresponding path program 1 times [2022-10-16 17:06:57,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:57,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493932558] [2022-10-16 17:06:57,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:57,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,345 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 17:06:57,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:57,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493932558] [2022-10-16 17:06:57,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493932558] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:57,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:57,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:57,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978517108] [2022-10-16 17:06:57,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:57,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:57,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:57,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:57,349 INFO L87 Difference]: Start difference. First operand 3622 states and 5838 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:03,134 INFO L93 Difference]: Finished difference Result 12775 states and 20767 transitions. [2022-10-16 17:07:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:03,143 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:07:03,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:03,201 INFO L225 Difference]: With dead ends: 12775 [2022-10-16 17:07:03,202 INFO L226 Difference]: Without dead ends: 9174 [2022-10-16 17:07:03,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:03,226 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 1846 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:03,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 2362 Invalid, 3064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 17:07:03,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9174 states. [2022-10-16 17:07:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9174 to 6783. [2022-10-16 17:07:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6783 states, 6258 states have (on average 1.6188878235858102) internal successors, (10131), 6302 states have internal predecessors, (10131), 379 states have call successors, (379), 102 states have call predecessors, (379), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2022-10-16 17:07:04,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 10986 transitions. [2022-10-16 17:07:04,214 INFO L78 Accepts]: Start accepts. Automaton has 6783 states and 10986 transitions. Word has length 187 [2022-10-16 17:07:04,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:04,215 INFO L495 AbstractCegarLoop]: Abstraction has 6783 states and 10986 transitions. [2022-10-16 17:07:04,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 6783 states and 10986 transitions. [2022-10-16 17:07:04,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:04,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:04,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:04,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:07:04,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:04,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:04,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1274793051, now seen corresponding path program 1 times [2022-10-16 17:07:04,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:04,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350583276] [2022-10-16 17:07:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:04,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,569 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 17:07:04,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:04,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350583276] [2022-10-16 17:07:04,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350583276] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:04,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:04,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:04,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627364823] [2022-10-16 17:07:04,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:04,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:04,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:04,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:04,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:04,572 INFO L87 Difference]: Start difference. First operand 6783 states and 10986 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:12,042 INFO L93 Difference]: Finished difference Result 24310 states and 39665 transitions. [2022-10-16 17:07:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:12,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:07:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:12,134 INFO L225 Difference]: With dead ends: 24310 [2022-10-16 17:07:12,135 INFO L226 Difference]: Without dead ends: 17548 [2022-10-16 17:07:12,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:12,174 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 1738 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:12,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 3553 Invalid, 3379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 17:07:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17548 states. [2022-10-16 17:07:14,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17548 to 13120. [2022-10-16 17:07:14,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13120 states, 12131 states have (on average 1.6174264281592614) internal successors, (19621), 12191 states have internal predecessors, (19621), 731 states have call successors, (731), 198 states have call predecessors, (731), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2022-10-16 17:07:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13120 states to 13120 states and 21358 transitions. [2022-10-16 17:07:14,489 INFO L78 Accepts]: Start accepts. Automaton has 13120 states and 21358 transitions. Word has length 187 [2022-10-16 17:07:14,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:14,490 INFO L495 AbstractCegarLoop]: Abstraction has 13120 states and 21358 transitions. [2022-10-16 17:07:14,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 13120 states and 21358 transitions. [2022-10-16 17:07:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:14,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:14,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:14,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:07:14,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:14,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:14,503 INFO L85 PathProgramCache]: Analyzing trace with hash -929964889, now seen corresponding path program 1 times [2022-10-16 17:07:14,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:14,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667111704] [2022-10-16 17:07:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:14,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:14,800 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 17:07:14,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:14,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667111704] [2022-10-16 17:07:14,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667111704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:14,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:14,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:14,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869694494] [2022-10-16 17:07:14,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:14,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:14,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:14,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:14,803 INFO L87 Difference]: Start difference. First operand 13120 states and 21358 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:24,762 INFO L93 Difference]: Finished difference Result 47381 states and 77655 transitions. [2022-10-16 17:07:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:24,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:07:24,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:24,921 INFO L225 Difference]: With dead ends: 47381 [2022-10-16 17:07:24,922 INFO L226 Difference]: Without dead ends: 34282 [2022-10-16 17:07:24,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:24,990 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 1737 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 3371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:24,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 3548 Invalid, 3371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 17:07:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34282 states. [2022-10-16 17:07:28,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34282 to 25825. [2022-10-16 17:07:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25825 states, 23908 states have (on average 1.616488204785009) internal successors, (38647), 24000 states have internal predecessors, (38647), 1435 states have call successors, (1435), 390 states have call predecessors, (1435), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2022-10-16 17:07:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25825 states to 25825 states and 42310 transitions. [2022-10-16 17:07:29,114 INFO L78 Accepts]: Start accepts. Automaton has 25825 states and 42310 transitions. Word has length 187 [2022-10-16 17:07:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:29,115 INFO L495 AbstractCegarLoop]: Abstraction has 25825 states and 42310 transitions. [2022-10-16 17:07:29,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 25825 states and 42310 transitions. [2022-10-16 17:07:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:29,136 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:29,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:29,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:07:29,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash 50989925, now seen corresponding path program 1 times [2022-10-16 17:07:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:29,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846004913] [2022-10-16 17:07:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:29,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:29,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:29,392 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 17:07:29,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:29,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846004913] [2022-10-16 17:07:29,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846004913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:29,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:29,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:29,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993230841] [2022-10-16 17:07:29,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:29,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:29,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:29,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:29,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:29,395 INFO L87 Difference]: Start difference. First operand 25825 states and 42310 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:38,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:38,487 INFO L93 Difference]: Finished difference Result 60616 states and 100361 transitions. [2022-10-16 17:07:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:07:38,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:07:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:38,662 INFO L225 Difference]: With dead ends: 60616 [2022-10-16 17:07:38,662 INFO L226 Difference]: Without dead ends: 34812 [2022-10-16 17:07:38,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:07:38,790 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 1252 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 1897 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:38,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 1897 Invalid, 1649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 17:07:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34812 states. [2022-10-16 17:07:42,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34812 to 25825. [2022-10-16 17:07:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25825 states, 23908 states have (on average 1.6137694495566337) internal successors, (38582), 24000 states have internal predecessors, (38582), 1435 states have call successors, (1435), 390 states have call predecessors, (1435), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2022-10-16 17:07:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25825 states to 25825 states and 42245 transitions. [2022-10-16 17:07:42,705 INFO L78 Accepts]: Start accepts. Automaton has 25825 states and 42245 transitions. Word has length 187 [2022-10-16 17:07:42,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:42,705 INFO L495 AbstractCegarLoop]: Abstraction has 25825 states and 42245 transitions. [2022-10-16 17:07:42,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 25825 states and 42245 transitions. [2022-10-16 17:07:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:42,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:42,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:42,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 17:07:42,725 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:42,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:42,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1718481689, now seen corresponding path program 1 times [2022-10-16 17:07:42,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:42,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896918573] [2022-10-16 17:07:42,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:42,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:07:43,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:43,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896918573] [2022-10-16 17:07:43,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896918573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:43,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:43,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:43,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329668465] [2022-10-16 17:07:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:43,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:43,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:43,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:43,234 INFO L87 Difference]: Start difference. First operand 25825 states and 42245 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:07:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:59,341 INFO L93 Difference]: Finished difference Result 93392 states and 153649 transitions. [2022-10-16 17:07:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:59,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:07:59,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:59,720 INFO L225 Difference]: With dead ends: 93392 [2022-10-16 17:07:59,720 INFO L226 Difference]: Without dead ends: 67588 [2022-10-16 17:07:59,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:59,848 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 1728 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3245 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:59,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 3531 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 3245 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 17:07:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67588 states. [2022-10-16 17:08:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67588 to 51428. [2022-10-16 17:08:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51428 states, 47655 states have (on average 1.6128423040604343) internal successors, (76860), 47811 states have internal predecessors, (76860), 2843 states have call successors, (2843), 774 states have call predecessors, (2843), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2022-10-16 17:08:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51428 states to 51428 states and 84861 transitions. [2022-10-16 17:08:08,225 INFO L78 Accepts]: Start accepts. Automaton has 51428 states and 84861 transitions. Word has length 187 [2022-10-16 17:08:08,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:08:08,226 INFO L495 AbstractCegarLoop]: Abstraction has 51428 states and 84861 transitions. [2022-10-16 17:08:08,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:08:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 51428 states and 84861 transitions. [2022-10-16 17:08:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:08:08,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:08:08,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:08:08,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 17:08:08,265 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:08:08,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:08:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1171293929, now seen corresponding path program 1 times [2022-10-16 17:08:08,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:08:08,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123866770] [2022-10-16 17:08:08,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:08:08,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:08:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:08:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:08:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:08:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:08:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:08:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:08,738 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 17:08:08,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:08:08,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123866770] [2022-10-16 17:08:08,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123866770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:08:08,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:08:08,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:08:08,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418074588] [2022-10-16 17:08:08,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:08:08,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:08:08,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:08:08,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:08:08,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:08:08,740 INFO L87 Difference]: Start difference. First operand 51428 states and 84861 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:08:24,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:08:24,182 INFO L93 Difference]: Finished difference Result 119944 states and 200220 transitions. [2022-10-16 17:08:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:08:24,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:08:24,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:08:24,462 INFO L225 Difference]: With dead ends: 119944 [2022-10-16 17:08:24,462 INFO L226 Difference]: Without dead ends: 68537 [2022-10-16 17:08:24,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:08:24,636 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 1250 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:08:24,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 1888 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 17:08:24,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68537 states. [2022-10-16 17:08:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68537 to 51428. [2022-10-16 17:08:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51428 states, 47655 states have (on average 1.6101353478124016) internal successors, (76731), 47811 states have internal predecessors, (76731), 2843 states have call successors, (2843), 774 states have call predecessors, (2843), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2022-10-16 17:08:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51428 states to 51428 states and 84732 transitions. [2022-10-16 17:08:33,491 INFO L78 Accepts]: Start accepts. Automaton has 51428 states and 84732 transitions. Word has length 187 [2022-10-16 17:08:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:08:33,492 INFO L495 AbstractCegarLoop]: Abstraction has 51428 states and 84732 transitions. [2022-10-16 17:08:33,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:08:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 51428 states and 84732 transitions. [2022-10-16 17:08:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:08:33,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:08:33,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:08:33,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 17:08:33,527 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:08:33,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:08:33,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1229339481, now seen corresponding path program 1 times [2022-10-16 17:08:33,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:08:33,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034042718] [2022-10-16 17:08:33,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:08:33,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:08:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:08:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:08:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:08:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:08:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:08:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:33,807 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 17:08:33,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:08:33,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034042718] [2022-10-16 17:08:33,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034042718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:08:33,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:08:33,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:08:33,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115944740] [2022-10-16 17:08:33,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:08:33,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:08:33,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:08:33,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:08:33,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:08:33,810 INFO L87 Difference]: Start difference. First operand 51428 states and 84732 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:09:06,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:06,035 INFO L93 Difference]: Finished difference Result 185551 states and 307379 transitions. [2022-10-16 17:09:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:09:06,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 187 [2022-10-16 17:09:06,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:06,741 INFO L225 Difference]: With dead ends: 185551 [2022-10-16 17:09:06,741 INFO L226 Difference]: Without dead ends: 134144 [2022-10-16 17:09:06,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:09:06,929 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 1720 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:06,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 3520 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 3218 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 17:09:07,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134144 states. [2022-10-16 17:09:23,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134144 to 102886. [2022-10-16 17:09:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102886 states, 95401 states have (on average 1.6086938292051447) internal successors, (153471), 95685 states have internal predecessors, (153471), 5659 states have call successors, (5659), 1542 states have call predecessors, (5659), 1798 states have return successors, (12476), 5914 states have call predecessors, (12476), 5659 states have call successors, (12476) [2022-10-16 17:09:24,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102886 states to 102886 states and 171606 transitions. [2022-10-16 17:09:24,672 INFO L78 Accepts]: Start accepts. Automaton has 102886 states and 171606 transitions. Word has length 187 [2022-10-16 17:09:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:24,674 INFO L495 AbstractCegarLoop]: Abstraction has 102886 states and 171606 transitions. [2022-10-16 17:09:24,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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 17:09:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 102886 states and 171606 transitions. [2022-10-16 17:09:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:09:24,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:24,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:24,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 17:09:24,728 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:09:24,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:24,729 INFO L85 PathProgramCache]: Analyzing trace with hash 217241385, now seen corresponding path program 1 times [2022-10-16 17:09:24,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:24,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247829868] [2022-10-16 17:09:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:09:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:09:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:09:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:09:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:09:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:25,353 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 17:09:25,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:25,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247829868] [2022-10-16 17:09:25,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247829868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:25,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:25,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:09:25,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425582698] [2022-10-16 17:09:25,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:25,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:09:25,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:25,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:09:25,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:09:25,356 INFO L87 Difference]: Start difference. First operand 102886 states and 171606 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 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)