/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:46:16,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:46:16,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:46:16,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:46:16,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:46:16,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:46:16,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:46:16,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:46:16,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:46:16,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:46:16,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:46:16,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:46:16,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:46:16,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:46:16,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:46:16,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:46:16,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:46:16,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:46:16,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:46:16,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:46:16,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:46:16,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:46:16,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:46:16,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:46:16,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:46:16,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:46:16,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:46:16,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:46:16,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:46:16,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:46:16,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:46:16,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:46:16,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:46:16,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:46:16,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:46:16,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:46:16,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:46:16,247 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:46:16,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:46:16,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:46:16,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:46:16,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:46:16,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:46:16,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:46:16,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:46:16,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:46:16,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:46:16,249 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:46:16,249 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:46:16,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:46:16,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:46:16,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:46:16,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:46:16,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:46:16,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:46:16,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:46:16,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:46:16,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:46:16,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:46:16,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:46:16,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:46:16,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:46:16,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:46:16,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:46:16,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:46:16,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:46:16,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:46:16,665 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:46:16,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 15:46:16,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5733ebf9/a60a21feb7de4c82b0b2ac5734be57b5/FLAGa095a939c [2022-10-16 15:46:17,498 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:46:17,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 15:46:17,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5733ebf9/a60a21feb7de4c82b0b2ac5734be57b5/FLAGa095a939c [2022-10-16 15:46:17,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5733ebf9/a60a21feb7de4c82b0b2ac5734be57b5 [2022-10-16 15:46:17,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:46:17,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:46:17,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:46:17,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:46:17,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:46:17,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:46:17" (1/1) ... [2022-10-16 15:46:17,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e914781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:17, skipping insertion in model container [2022-10-16 15:46:17,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:46:17" (1/1) ... [2022-10-16 15:46:17,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:46:17,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:46:18,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14164,14177] [2022-10-16 15:46:18,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14811,14824] [2022-10-16 15:46:18,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16044,16057] [2022-10-16 15:46:18,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17104,17117] [2022-10-16 15:46:18,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[25495,25508] [2022-10-16 15:46:18,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:46:18,431 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:46:18,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14164,14177] [2022-10-16 15:46:18,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14811,14824] [2022-10-16 15:46:18,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[16044,16057] [2022-10-16 15:46:18,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17104,17117] [2022-10-16 15:46:18,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[25495,25508] [2022-10-16 15:46:18,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:46:18,837 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:46:18,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18 WrapperNode [2022-10-16 15:46:18,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:46:18,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:46:18,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:46:18,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:46:18,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,964 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1768 [2022-10-16 15:46:18,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:46:18,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:46:18,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:46:18,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:46:18,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:46:19,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:46:19,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:46:19,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:46:19,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:46:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:46:19,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:46:19,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:46:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:46:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:46:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:46:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:46:19,460 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:46:19,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:46:21,316 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:46:21,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:46:21,335 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:46:21,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:46:21 BoogieIcfgContainer [2022-10-16 15:46:21,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:46:21,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:46:21,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:46:21,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:46:21,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:46:17" (1/3) ... [2022-10-16 15:46:21,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae95ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:46:21, skipping insertion in model container [2022-10-16 15:46:21,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (2/3) ... [2022-10-16 15:46:21,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae95ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:46:21, skipping insertion in model container [2022-10-16 15:46:21,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:46:21" (3/3) ... [2022-10-16 15:46:21,348 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 15:46:21,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:46:21,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 210 error locations. [2022-10-16 15:46:21,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:46:21,465 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;@62fa3d11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:46:21,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 210 error locations. [2022-10-16 15:46:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 787 states, 576 states have (on average 1.8888888888888888) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:46:21,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:21,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:21,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:21,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:21,493 INFO L85 PathProgramCache]: Analyzing trace with hash -79134277, now seen corresponding path program 1 times [2022-10-16 15:46:21,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:21,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050067374] [2022-10-16 15:46:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:21,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:22,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:22,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050067374] [2022-10-16 15:46:22,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050067374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:22,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:22,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:22,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542676909] [2022-10-16 15:46:22,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:22,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:22,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:22,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:22,236 INFO L87 Difference]: Start difference. First operand has 787 states, 576 states have (on average 1.8888888888888888) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:22,783 INFO L93 Difference]: Finished difference Result 935 states and 1293 transitions. [2022-10-16 15:46:22,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:22,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:46:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:22,807 INFO L225 Difference]: With dead ends: 935 [2022-10-16 15:46:22,807 INFO L226 Difference]: Without dead ends: 905 [2022-10-16 15:46:22,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:22,815 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 758 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:22,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1183 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:46:22,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-10-16 15:46:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 877. [2022-10-16 15:46:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 677 states have (on average 1.6617429837518465) internal successors, (1125), 876 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1125 transitions. [2022-10-16 15:46:22,916 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1125 transitions. Word has length 59 [2022-10-16 15:46:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:22,917 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1125 transitions. [2022-10-16 15:46:22,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1125 transitions. [2022-10-16 15:46:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:46:22,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:22,920 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] [2022-10-16 15:46:22,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:46:22,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1841804961, now seen corresponding path program 1 times [2022-10-16 15:46:22,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:22,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149259246] [2022-10-16 15:46:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:23,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:23,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149259246] [2022-10-16 15:46:23,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149259246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:23,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:23,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795956867] [2022-10-16 15:46:23,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:23,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:23,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:23,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:23,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,146 INFO L87 Difference]: Start difference. First operand 877 states and 1125 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:23,454 INFO L93 Difference]: Finished difference Result 908 states and 1125 transitions. [2022-10-16 15:46:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:23,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:46:23,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:23,461 INFO L225 Difference]: With dead ends: 908 [2022-10-16 15:46:23,461 INFO L226 Difference]: Without dead ends: 895 [2022-10-16 15:46:23,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,463 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 638 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:23,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1043 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:23,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-10-16 15:46:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 867. [2022-10-16 15:46:23,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 677 states have (on average 1.6425406203840474) internal successors, (1112), 866 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1112 transitions. [2022-10-16 15:46:23,530 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1112 transitions. Word has length 60 [2022-10-16 15:46:23,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:23,530 INFO L495 AbstractCegarLoop]: Abstraction has 867 states and 1112 transitions. [2022-10-16 15:46:23,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1112 transitions. [2022-10-16 15:46:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:46:23,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:23,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:23,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:46:23,545 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:23,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:23,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1261379197, now seen corresponding path program 1 times [2022-10-16 15:46:23,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:23,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990437464] [2022-10-16 15:46:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:23,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:23,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:23,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990437464] [2022-10-16 15:46:23,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990437464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:23,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:23,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:23,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600786493] [2022-10-16 15:46:23,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:23,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:23,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:23,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:23,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,734 INFO L87 Difference]: Start difference. First operand 867 states and 1112 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:24,042 INFO L93 Difference]: Finished difference Result 1034 states and 1376 transitions. [2022-10-16 15:46:24,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:24,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:46:24,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:24,049 INFO L225 Difference]: With dead ends: 1034 [2022-10-16 15:46:24,049 INFO L226 Difference]: Without dead ends: 1020 [2022-10-16 15:46:24,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:24,052 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 722 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:24,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 863 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2022-10-16 15:46:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1010. [2022-10-16 15:46:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 833 states have (on average 1.631452581032413) internal successors, (1359), 1009 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1359 transitions. [2022-10-16 15:46:24,100 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1359 transitions. Word has length 61 [2022-10-16 15:46:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:24,100 INFO L495 AbstractCegarLoop]: Abstraction has 1010 states and 1359 transitions. [2022-10-16 15:46:24,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1359 transitions. [2022-10-16 15:46:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:46:24,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:24,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:24,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:46:24,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:24,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash 448049699, now seen corresponding path program 1 times [2022-10-16 15:46:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:24,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060931716] [2022-10-16 15:46:24,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:24,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:24,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060931716] [2022-10-16 15:46:24,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060931716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:24,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:24,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:24,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034854673] [2022-10-16 15:46:24,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:24,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:24,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:24,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:24,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:24,272 INFO L87 Difference]: Start difference. First operand 1010 states and 1359 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:24,664 INFO L93 Difference]: Finished difference Result 1321 states and 1843 transitions. [2022-10-16 15:46:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:24,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:46:24,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:24,672 INFO L225 Difference]: With dead ends: 1321 [2022-10-16 15:46:24,672 INFO L226 Difference]: Without dead ends: 1310 [2022-10-16 15:46:24,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:24,675 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 637 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:24,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 967 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2022-10-16 15:46:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1282. [2022-10-16 15:46:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1113 states have (on average 1.6415094339622642) internal successors, (1827), 1281 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1827 transitions. [2022-10-16 15:46:24,750 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1827 transitions. Word has length 62 [2022-10-16 15:46:24,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:24,750 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1827 transitions. [2022-10-16 15:46:24,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1827 transitions. [2022-10-16 15:46:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:46:24,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:24,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:24,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:46:24,752 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:24,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1079039429, now seen corresponding path program 1 times [2022-10-16 15:46:24,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:24,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105486600] [2022-10-16 15:46:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:24,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:24,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105486600] [2022-10-16 15:46:24,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105486600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:24,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:24,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:24,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833620466] [2022-10-16 15:46:24,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:24,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:24,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:24,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:24,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:24,856 INFO L87 Difference]: Start difference. First operand 1282 states and 1827 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:25,274 INFO L93 Difference]: Finished difference Result 1643 states and 2398 transitions. [2022-10-16 15:46:25,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:25,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 15:46:25,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:25,284 INFO L225 Difference]: With dead ends: 1643 [2022-10-16 15:46:25,284 INFO L226 Difference]: Without dead ends: 1640 [2022-10-16 15:46:25,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:25,287 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 979 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:25,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 1403 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2022-10-16 15:46:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1279. [2022-10-16 15:46:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1113 states have (on average 1.6388140161725067) internal successors, (1824), 1278 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1824 transitions. [2022-10-16 15:46:25,405 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1824 transitions. Word has length 64 [2022-10-16 15:46:25,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:25,407 INFO L495 AbstractCegarLoop]: Abstraction has 1279 states and 1824 transitions. [2022-10-16 15:46:25,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1824 transitions. [2022-10-16 15:46:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:46:25,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:25,415 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] [2022-10-16 15:46:25,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:46:25,419 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:25,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:25,420 INFO L85 PathProgramCache]: Analyzing trace with hash -909515806, now seen corresponding path program 1 times [2022-10-16 15:46:25,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:25,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044005926] [2022-10-16 15:46:25,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:25,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:25,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044005926] [2022-10-16 15:46:25,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044005926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:25,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:25,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:25,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327902284] [2022-10-16 15:46:25,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:25,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:25,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:25,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:25,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:25,562 INFO L87 Difference]: Start difference. First operand 1279 states and 1824 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:26,046 INFO L93 Difference]: Finished difference Result 1639 states and 2395 transitions. [2022-10-16 15:46:26,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:26,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 15:46:26,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:26,055 INFO L225 Difference]: With dead ends: 1639 [2022-10-16 15:46:26,055 INFO L226 Difference]: Without dead ends: 1632 [2022-10-16 15:46:26,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:26,058 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 1675 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:26,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 955 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2022-10-16 15:46:26,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1599. [2022-10-16 15:46:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1439 states have (on average 1.6532314107018764) internal successors, (2379), 1598 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2379 transitions. [2022-10-16 15:46:26,177 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2379 transitions. Word has length 65 [2022-10-16 15:46:26,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:26,177 INFO L495 AbstractCegarLoop]: Abstraction has 1599 states and 2379 transitions. [2022-10-16 15:46:26,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2379 transitions. [2022-10-16 15:46:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:46:26,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:26,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:26,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:46:26,179 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:26,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:26,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2128647332, now seen corresponding path program 1 times [2022-10-16 15:46:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:26,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50618805] [2022-10-16 15:46:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:26,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:26,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50618805] [2022-10-16 15:46:26,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50618805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:26,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:26,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:26,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147100891] [2022-10-16 15:46:26,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:26,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:26,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:26,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:26,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:26,295 INFO L87 Difference]: Start difference. First operand 1599 states and 2379 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:26,770 INFO L93 Difference]: Finished difference Result 2286 states and 3513 transitions. [2022-10-16 15:46:26,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:26,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 15:46:26,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:26,783 INFO L225 Difference]: With dead ends: 2286 [2022-10-16 15:46:26,783 INFO L226 Difference]: Without dead ends: 2283 [2022-10-16 15:46:26,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:26,786 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 1006 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:26,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 1346 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2022-10-16 15:46:26,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1596. [2022-10-16 15:46:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1596 states, 1439 states have (on average 1.6511466296038917) internal successors, (2376), 1595 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2376 transitions. [2022-10-16 15:46:26,900 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2376 transitions. Word has length 67 [2022-10-16 15:46:26,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:26,900 INFO L495 AbstractCegarLoop]: Abstraction has 1596 states and 2376 transitions. [2022-10-16 15:46:26,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2376 transitions. [2022-10-16 15:46:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:46:26,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:26,902 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] [2022-10-16 15:46:26,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:46:26,902 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:26,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:26,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1563558122, now seen corresponding path program 1 times [2022-10-16 15:46:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:26,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303042693] [2022-10-16 15:46:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:26,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:26,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303042693] [2022-10-16 15:46:26,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303042693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:26,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:26,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:26,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812937096] [2022-10-16 15:46:26,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:26,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:26,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:26,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:26,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:26,996 INFO L87 Difference]: Start difference. First operand 1596 states and 2376 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:27,498 INFO L93 Difference]: Finished difference Result 2282 states and 3510 transitions. [2022-10-16 15:46:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:27,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:46:27,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:27,515 INFO L225 Difference]: With dead ends: 2282 [2022-10-16 15:46:27,515 INFO L226 Difference]: Without dead ends: 2275 [2022-10-16 15:46:27,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:27,519 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1665 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:27,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 931 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2022-10-16 15:46:27,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2238. [2022-10-16 15:46:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 2087 states have (on average 1.6693818878773359) internal successors, (3484), 2237 states have internal predecessors, (3484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3484 transitions. [2022-10-16 15:46:27,760 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3484 transitions. Word has length 68 [2022-10-16 15:46:27,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:27,760 INFO L495 AbstractCegarLoop]: Abstraction has 2238 states and 3484 transitions. [2022-10-16 15:46:27,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3484 transitions. [2022-10-16 15:46:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:46:27,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:27,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:27,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:46:27,768 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:27,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:27,769 INFO L85 PathProgramCache]: Analyzing trace with hash -659189620, now seen corresponding path program 1 times [2022-10-16 15:46:27,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:27,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846235328] [2022-10-16 15:46:27,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:27,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:27,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846235328] [2022-10-16 15:46:27,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846235328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:27,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:27,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299546761] [2022-10-16 15:46:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:27,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:27,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:27,918 INFO L87 Difference]: Start difference. First operand 2238 states and 3484 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:28,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:28,396 INFO L93 Difference]: Finished difference Result 3699 states and 5945 transitions. [2022-10-16 15:46:28,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:28,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:46:28,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:28,418 INFO L225 Difference]: With dead ends: 3699 [2022-10-16 15:46:28,419 INFO L226 Difference]: Without dead ends: 3696 [2022-10-16 15:46:28,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:28,427 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 1082 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:28,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1401 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:28,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-10-16 15:46:28,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 2235. [2022-10-16 15:46:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 2087 states have (on average 1.6679444178246285) internal successors, (3481), 2234 states have internal predecessors, (3481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3481 transitions. [2022-10-16 15:46:28,710 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3481 transitions. Word has length 70 [2022-10-16 15:46:28,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:28,711 INFO L495 AbstractCegarLoop]: Abstraction has 2235 states and 3481 transitions. [2022-10-16 15:46:28,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3481 transitions. [2022-10-16 15:46:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:46:28,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:28,712 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] [2022-10-16 15:46:28,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:46:28,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:28,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:28,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1039958537, now seen corresponding path program 1 times [2022-10-16 15:46:28,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:28,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174648980] [2022-10-16 15:46:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:28,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:28,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:28,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174648980] [2022-10-16 15:46:28,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174648980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:28,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:28,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:28,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792428788] [2022-10-16 15:46:28,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:28,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:28,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:28,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:28,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:28,824 INFO L87 Difference]: Start difference. First operand 2235 states and 3481 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:29,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:29,379 INFO L93 Difference]: Finished difference Result 3884 states and 6260 transitions. [2022-10-16 15:46:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:29,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:46:29,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:29,400 INFO L225 Difference]: With dead ends: 3884 [2022-10-16 15:46:29,400 INFO L226 Difference]: Without dead ends: 3877 [2022-10-16 15:46:29,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:29,405 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 1680 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:29,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1035 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3877 states. [2022-10-16 15:46:29,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3877 to 3829. [2022-10-16 15:46:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 3687 states have (on average 1.6837537293192297) internal successors, (6208), 3828 states have internal predecessors, (6208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 6208 transitions. [2022-10-16 15:46:29,798 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 6208 transitions. Word has length 71 [2022-10-16 15:46:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:29,798 INFO L495 AbstractCegarLoop]: Abstraction has 3829 states and 6208 transitions. [2022-10-16 15:46:29,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 6208 transitions. [2022-10-16 15:46:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:46:29,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:29,800 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] [2022-10-16 15:46:29,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:46:29,800 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1058536233, now seen corresponding path program 1 times [2022-10-16 15:46:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:29,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967647211] [2022-10-16 15:46:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:29,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:29,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967647211] [2022-10-16 15:46:29,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967647211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:29,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:29,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:29,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849548744] [2022-10-16 15:46:29,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:29,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:29,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:29,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:29,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:29,913 INFO L87 Difference]: Start difference. First operand 3829 states and 6208 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:30,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:30,636 INFO L93 Difference]: Finished difference Result 6489 states and 10734 transitions. [2022-10-16 15:46:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:30,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 15:46:30,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:30,674 INFO L225 Difference]: With dead ends: 6489 [2022-10-16 15:46:30,674 INFO L226 Difference]: Without dead ends: 6486 [2022-10-16 15:46:30,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:30,678 INFO L413 NwaCegarLoop]: 971 mSDtfsCounter, 901 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:30,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1904 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:30,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2022-10-16 15:46:31,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 3826. [2022-10-16 15:46:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 3687 states have (on average 1.6829400596691078) internal successors, (6205), 3825 states have internal predecessors, (6205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 6205 transitions. [2022-10-16 15:46:31,158 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 6205 transitions. Word has length 81 [2022-10-16 15:46:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:31,159 INFO L495 AbstractCegarLoop]: Abstraction has 3826 states and 6205 transitions. [2022-10-16 15:46:31,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 6205 transitions. [2022-10-16 15:46:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:46:31,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:31,160 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] [2022-10-16 15:46:31,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:46:31,160 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:31,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1545115453, now seen corresponding path program 1 times [2022-10-16 15:46:31,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:31,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060142200] [2022-10-16 15:46:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:31,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:31,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060142200] [2022-10-16 15:46:31,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060142200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:31,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:31,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:31,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36693842] [2022-10-16 15:46:31,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:31,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:31,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:31,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:31,261 INFO L87 Difference]: Start difference. First operand 3826 states and 6205 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:32,031 INFO L93 Difference]: Finished difference Result 7088 states and 11739 transitions. [2022-10-16 15:46:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:32,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 15:46:32,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:32,049 INFO L225 Difference]: With dead ends: 7088 [2022-10-16 15:46:32,050 INFO L226 Difference]: Without dead ends: 7079 [2022-10-16 15:46:32,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:32,053 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 1628 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:32,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 1067 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:32,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2022-10-16 15:46:32,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7051. [2022-10-16 15:46:32,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7051 states, 6919 states have (on average 1.6898395721925135) internal successors, (11692), 7050 states have internal predecessors, (11692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7051 states to 7051 states and 11692 transitions. [2022-10-16 15:46:32,791 INFO L78 Accepts]: Start accepts. Automaton has 7051 states and 11692 transitions. Word has length 82 [2022-10-16 15:46:32,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:32,792 INFO L495 AbstractCegarLoop]: Abstraction has 7051 states and 11692 transitions. [2022-10-16 15:46:32,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:32,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7051 states and 11692 transitions. [2022-10-16 15:46:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:46:32,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:32,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:32,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:46:32,795 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:32,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash 653939097, now seen corresponding path program 1 times [2022-10-16 15:46:32,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:32,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226283578] [2022-10-16 15:46:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:32,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:32,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226283578] [2022-10-16 15:46:32,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226283578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:32,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:32,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:46:32,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118057755] [2022-10-16 15:46:32,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:32,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:46:32,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:32,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:46:33,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:33,000 INFO L87 Difference]: Start difference. First operand 7051 states and 11692 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:35,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:35,324 INFO L93 Difference]: Finished difference Result 25003 states and 42142 transitions. [2022-10-16 15:46:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:46:35,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 15:46:35,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:35,373 INFO L225 Difference]: With dead ends: 25003 [2022-10-16 15:46:35,373 INFO L226 Difference]: Without dead ends: 18498 [2022-10-16 15:46:35,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:46:35,390 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 1419 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 3243 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:35,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 3243 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:46:35,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18498 states. [2022-10-16 15:46:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18498 to 13229. [2022-10-16 15:46:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13229 states, 13100 states have (on average 1.6885496183206108) internal successors, (22120), 13228 states have internal predecessors, (22120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13229 states to 13229 states and 22120 transitions. [2022-10-16 15:46:36,759 INFO L78 Accepts]: Start accepts. Automaton has 13229 states and 22120 transitions. Word has length 83 [2022-10-16 15:46:36,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:36,760 INFO L495 AbstractCegarLoop]: Abstraction has 13229 states and 22120 transitions. [2022-10-16 15:46:36,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 13229 states and 22120 transitions. [2022-10-16 15:46:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:46:36,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:36,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:36,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:46:36,763 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:36,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:36,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1202724161, now seen corresponding path program 1 times [2022-10-16 15:46:36,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:36,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594079560] [2022-10-16 15:46:36,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:36,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:36,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:36,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:36,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594079560] [2022-10-16 15:46:36,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594079560] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:36,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:36,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:46:36,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188908841] [2022-10-16 15:46:36,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:36,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:46:36,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:36,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:46:36,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:36,899 INFO L87 Difference]: Start difference. First operand 13229 states and 22120 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:38,937 INFO L93 Difference]: Finished difference Result 19630 states and 32896 transitions. [2022-10-16 15:46:38,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:46:38,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:46:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:38,988 INFO L225 Difference]: With dead ends: 19630 [2022-10-16 15:46:38,988 INFO L226 Difference]: Without dead ends: 19621 [2022-10-16 15:46:38,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:46:38,995 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 2594 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:38,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 1703 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:46:39,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19621 states. [2022-10-16 15:46:41,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19621 to 19538. [2022-10-16 15:46:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19538 states, 19414 states have (on average 1.6857937570825177) internal successors, (32728), 19537 states have internal predecessors, (32728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19538 states to 19538 states and 32728 transitions. [2022-10-16 15:46:41,185 INFO L78 Accepts]: Start accepts. Automaton has 19538 states and 32728 transitions. Word has length 84 [2022-10-16 15:46:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:41,185 INFO L495 AbstractCegarLoop]: Abstraction has 19538 states and 32728 transitions. [2022-10-16 15:46:41,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 19538 states and 32728 transitions. [2022-10-16 15:46:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:46:41,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:41,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:41,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:46:41,187 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1957064260, now seen corresponding path program 1 times [2022-10-16 15:46:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:41,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478028170] [2022-10-16 15:46:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:41,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:41,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478028170] [2022-10-16 15:46:41,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478028170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:41,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:41,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:41,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112467648] [2022-10-16 15:46:41,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:41,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:41,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:41,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:41,295 INFO L87 Difference]: Start difference. First operand 19538 states and 32728 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:43,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:43,302 INFO L93 Difference]: Finished difference Result 19538 states and 32728 transitions. [2022-10-16 15:46:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:43,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 15:46:43,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:43,348 INFO L225 Difference]: With dead ends: 19538 [2022-10-16 15:46:43,348 INFO L226 Difference]: Without dead ends: 19536 [2022-10-16 15:46:43,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:43,357 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 43 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:43,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1587 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19536 states. [2022-10-16 15:46:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19536 to 19536. [2022-10-16 15:46:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19536 states, 19414 states have (on average 1.6856907386422169) internal successors, (32726), 19535 states have internal predecessors, (32726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19536 states to 19536 states and 32726 transitions. [2022-10-16 15:46:45,064 INFO L78 Accepts]: Start accepts. Automaton has 19536 states and 32726 transitions. Word has length 88 [2022-10-16 15:46:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:45,065 INFO L495 AbstractCegarLoop]: Abstraction has 19536 states and 32726 transitions. [2022-10-16 15:46:45,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 19536 states and 32726 transitions. [2022-10-16 15:46:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:46:45,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:45,066 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] [2022-10-16 15:46:45,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:46:45,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:45,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1005104631, now seen corresponding path program 1 times [2022-10-16 15:46:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:45,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498002790] [2022-10-16 15:46:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:45,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:45,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498002790] [2022-10-16 15:46:45,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498002790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:45,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:45,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:45,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616779217] [2022-10-16 15:46:45,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:45,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:45,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:45,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:45,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:45,172 INFO L87 Difference]: Start difference. First operand 19536 states and 32726 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:47,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:47,220 INFO L93 Difference]: Finished difference Result 19536 states and 32726 transitions. [2022-10-16 15:46:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:47,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:46:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:47,250 INFO L225 Difference]: With dead ends: 19536 [2022-10-16 15:46:47,250 INFO L226 Difference]: Without dead ends: 19533 [2022-10-16 15:46:47,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:47,257 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 754 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:47,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 790 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:46:47,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19533 states. [2022-10-16 15:46:48,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19533 to 19533. [2022-10-16 15:46:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19533 states, 19414 states have (on average 1.6766251158957453) internal successors, (32550), 19532 states have internal predecessors, (32550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19533 states to 19533 states and 32550 transitions. [2022-10-16 15:46:49,025 INFO L78 Accepts]: Start accepts. Automaton has 19533 states and 32550 transitions. Word has length 92 [2022-10-16 15:46:49,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:49,026 INFO L495 AbstractCegarLoop]: Abstraction has 19533 states and 32550 transitions. [2022-10-16 15:46:49,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 19533 states and 32550 transitions. [2022-10-16 15:46:49,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:46:49,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:49,027 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] [2022-10-16 15:46:49,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:46:49,028 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:49,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1093472152, now seen corresponding path program 1 times [2022-10-16 15:46:49,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:49,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021262812] [2022-10-16 15:46:49,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:49,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:49,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:49,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021262812] [2022-10-16 15:46:49,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021262812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:49,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:49,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:49,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803968425] [2022-10-16 15:46:49,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:49,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:49,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:49,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:49,135 INFO L87 Difference]: Start difference. First operand 19533 states and 32550 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:50,789 INFO L93 Difference]: Finished difference Result 19533 states and 32550 transitions. [2022-10-16 15:46:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:50,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:46:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:50,812 INFO L225 Difference]: With dead ends: 19533 [2022-10-16 15:46:50,812 INFO L226 Difference]: Without dead ends: 19530 [2022-10-16 15:46:50,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:50,816 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:50,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 790 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:50,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2022-10-16 15:46:52,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 19530. [2022-10-16 15:46:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19530 states, 19414 states have (on average 1.6675594931492737) internal successors, (32374), 19529 states have internal predecessors, (32374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19530 states to 19530 states and 32374 transitions. [2022-10-16 15:46:52,964 INFO L78 Accepts]: Start accepts. Automaton has 19530 states and 32374 transitions. Word has length 93 [2022-10-16 15:46:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:52,964 INFO L495 AbstractCegarLoop]: Abstraction has 19530 states and 32374 transitions. [2022-10-16 15:46:52,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 19530 states and 32374 transitions. [2022-10-16 15:46:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:46:52,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:52,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:52,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:46:52,966 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:52,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:52,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1579565122, now seen corresponding path program 1 times [2022-10-16 15:46:52,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:52,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492250906] [2022-10-16 15:46:52,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:52,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:53,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:53,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492250906] [2022-10-16 15:46:53,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492250906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:53,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:53,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:53,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409638380] [2022-10-16 15:46:53,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:53,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:53,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:53,082 INFO L87 Difference]: Start difference. First operand 19530 states and 32374 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:55,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:55,232 INFO L93 Difference]: Finished difference Result 19530 states and 32374 transitions. [2022-10-16 15:46:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:55,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 15:46:55,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:55,257 INFO L225 Difference]: With dead ends: 19530 [2022-10-16 15:46:55,257 INFO L226 Difference]: Without dead ends: 19526 [2022-10-16 15:46:55,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:55,263 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 740 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:55,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 819 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:55,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19526 states. [2022-10-16 15:46:56,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19526 to 19526. [2022-10-16 15:46:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19526 states, 19414 states have (on average 1.6572061398990419) internal successors, (32173), 19525 states have internal predecessors, (32173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19526 states to 19526 states and 32173 transitions. [2022-10-16 15:46:57,006 INFO L78 Accepts]: Start accepts. Automaton has 19526 states and 32173 transitions. Word has length 98 [2022-10-16 15:46:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:57,006 INFO L495 AbstractCegarLoop]: Abstraction has 19526 states and 32173 transitions. [2022-10-16 15:46:57,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 19526 states and 32173 transitions. [2022-10-16 15:46:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 15:46:57,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:57,008 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] [2022-10-16 15:46:57,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:46:57,008 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:46:57,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:57,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1721878889, now seen corresponding path program 1 times [2022-10-16 15:46:57,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:57,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251244697] [2022-10-16 15:46:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:57,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:57,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:57,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251244697] [2022-10-16 15:46:57,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251244697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:57,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:57,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:57,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775423976] [2022-10-16 15:46:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:57,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:57,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:57,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:57,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:57,201 INFO L87 Difference]: Start difference. First operand 19526 states and 32173 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:59,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:59,011 INFO L93 Difference]: Finished difference Result 19526 states and 32173 transitions. [2022-10-16 15:46:59,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:59,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 15:46:59,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:59,041 INFO L225 Difference]: With dead ends: 19526 [2022-10-16 15:46:59,041 INFO L226 Difference]: Without dead ends: 19522 [2022-10-16 15:46:59,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:59,050 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 735 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:59,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 819 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:59,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19522 states. [2022-10-16 15:47:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19522 to 19522. [2022-10-16 15:47:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19522 states, 19414 states have (on average 1.64685278664881) internal successors, (31972), 19521 states have internal predecessors, (31972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19522 states to 19522 states and 31972 transitions. [2022-10-16 15:47:00,913 INFO L78 Accepts]: Start accepts. Automaton has 19522 states and 31972 transitions. Word has length 99 [2022-10-16 15:47:00,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:00,913 INFO L495 AbstractCegarLoop]: Abstraction has 19522 states and 31972 transitions. [2022-10-16 15:47:00,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 19522 states and 31972 transitions. [2022-10-16 15:47:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 15:47:00,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:00,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:00,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:47:00,915 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:00,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:00,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1277506053, now seen corresponding path program 1 times [2022-10-16 15:47:00,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:00,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015422012] [2022-10-16 15:47:00,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:00,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:01,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:01,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015422012] [2022-10-16 15:47:01,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015422012] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:01,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:01,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:01,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103299497] [2022-10-16 15:47:01,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:01,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:01,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:01,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:01,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:01,020 INFO L87 Difference]: Start difference. First operand 19522 states and 31972 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:02,951 INFO L93 Difference]: Finished difference Result 19522 states and 31972 transitions. [2022-10-16 15:47:02,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:02,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 15:47:02,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:02,984 INFO L225 Difference]: With dead ends: 19522 [2022-10-16 15:47:02,984 INFO L226 Difference]: Without dead ends: 19516 [2022-10-16 15:47:02,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:02,991 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 722 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:02,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 801 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:03,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19516 states. [2022-10-16 15:47:04,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19516 to 19516. [2022-10-16 15:47:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19516 states, 19414 states have (on average 1.6357783043164726) internal successors, (31757), 19515 states have internal predecessors, (31757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19516 states to 19516 states and 31757 transitions. [2022-10-16 15:47:04,924 INFO L78 Accepts]: Start accepts. Automaton has 19516 states and 31757 transitions. Word has length 104 [2022-10-16 15:47:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:04,924 INFO L495 AbstractCegarLoop]: Abstraction has 19516 states and 31757 transitions. [2022-10-16 15:47:04,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19516 states and 31757 transitions. [2022-10-16 15:47:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:47:04,925 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:04,925 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] [2022-10-16 15:47:04,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:47:04,925 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:04,926 INFO L85 PathProgramCache]: Analyzing trace with hash -947981590, now seen corresponding path program 1 times [2022-10-16 15:47:04,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:04,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166816064] [2022-10-16 15:47:04,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:04,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:05,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:05,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166816064] [2022-10-16 15:47:05,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166816064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:05,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:05,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:05,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210597865] [2022-10-16 15:47:05,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:05,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:05,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:05,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:05,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:05,040 INFO L87 Difference]: Start difference. First operand 19516 states and 31757 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:06,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:06,828 INFO L93 Difference]: Finished difference Result 19516 states and 31757 transitions. [2022-10-16 15:47:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:06,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:47:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:06,855 INFO L225 Difference]: With dead ends: 19516 [2022-10-16 15:47:06,856 INFO L226 Difference]: Without dead ends: 19510 [2022-10-16 15:47:06,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:06,863 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 715 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:06,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 801 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:06,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19510 states. [2022-10-16 15:47:08,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19510 to 19510. [2022-10-16 15:47:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19510 states, 19414 states have (on average 1.6247038219841352) internal successors, (31542), 19509 states have internal predecessors, (31542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19510 states to 19510 states and 31542 transitions. [2022-10-16 15:47:08,927 INFO L78 Accepts]: Start accepts. Automaton has 19510 states and 31542 transitions. Word has length 105 [2022-10-16 15:47:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:08,927 INFO L495 AbstractCegarLoop]: Abstraction has 19510 states and 31542 transitions. [2022-10-16 15:47:08,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 19510 states and 31542 transitions. [2022-10-16 15:47:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 15:47:08,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:08,928 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] [2022-10-16 15:47:08,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:47:08,928 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:08,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:08,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1689112631, now seen corresponding path program 1 times [2022-10-16 15:47:08,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:08,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364772344] [2022-10-16 15:47:08,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:08,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:09,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:09,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364772344] [2022-10-16 15:47:09,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364772344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:09,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:09,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:09,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013506295] [2022-10-16 15:47:09,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:09,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:09,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:09,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:09,057 INFO L87 Difference]: Start difference. First operand 19510 states and 31542 transitions. Second operand has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:10,995 INFO L93 Difference]: Finished difference Result 19510 states and 31542 transitions. [2022-10-16 15:47:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:10,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2022-10-16 15:47:10,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:11,023 INFO L225 Difference]: With dead ends: 19510 [2022-10-16 15:47:11,023 INFO L226 Difference]: Without dead ends: 19507 [2022-10-16 15:47:11,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:11,030 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 695 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:11,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 874 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:11,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19507 states. [2022-10-16 15:47:13,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19507 to 19507. [2022-10-16 15:47:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19507 states, 19414 states have (on average 1.6156381992376636) internal successors, (31366), 19506 states have internal predecessors, (31366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19507 states to 19507 states and 31366 transitions. [2022-10-16 15:47:13,063 INFO L78 Accepts]: Start accepts. Automaton has 19507 states and 31366 transitions. Word has length 138 [2022-10-16 15:47:13,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:13,064 INFO L495 AbstractCegarLoop]: Abstraction has 19507 states and 31366 transitions. [2022-10-16 15:47:13,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 19507 states and 31366 transitions. [2022-10-16 15:47:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 15:47:13,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:13,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:13,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:47:13,065 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:13,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:13,065 INFO L85 PathProgramCache]: Analyzing trace with hash 822884496, now seen corresponding path program 1 times [2022-10-16 15:47:13,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:13,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080474723] [2022-10-16 15:47:13,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:13,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:13,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080474723] [2022-10-16 15:47:13,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080474723] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:13,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:13,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:13,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807276128] [2022-10-16 15:47:13,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:13,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:47:13,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:13,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:47:13,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:13,211 INFO L87 Difference]: Start difference. First operand 19507 states and 31366 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:15,469 INFO L93 Difference]: Finished difference Result 19507 states and 31366 transitions. [2022-10-16 15:47:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:47:15,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-10-16 15:47:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:15,493 INFO L225 Difference]: With dead ends: 19507 [2022-10-16 15:47:15,493 INFO L226 Difference]: Without dead ends: 19504 [2022-10-16 15:47:15,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:15,499 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 648 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:15,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 1669 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:15,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19504 states. [2022-10-16 15:47:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19504 to 19504. [2022-10-16 15:47:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19504 states, 19414 states have (on average 1.606572576491192) internal successors, (31190), 19503 states have internal predecessors, (31190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19504 states to 19504 states and 31190 transitions. [2022-10-16 15:47:17,448 INFO L78 Accepts]: Start accepts. Automaton has 19504 states and 31190 transitions. Word has length 139 [2022-10-16 15:47:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:17,449 INFO L495 AbstractCegarLoop]: Abstraction has 19504 states and 31190 transitions. [2022-10-16 15:47:17,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19504 states and 31190 transitions. [2022-10-16 15:47:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 15:47:17,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:17,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:17,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:47:17,451 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash -817013581, now seen corresponding path program 1 times [2022-10-16 15:47:17,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:17,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957842470] [2022-10-16 15:47:17,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:17,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:17,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957842470] [2022-10-16 15:47:17,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957842470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:17,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:17,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:17,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74837470] [2022-10-16 15:47:17,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:17,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:17,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:17,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:17,599 INFO L87 Difference]: Start difference. First operand 19504 states and 31190 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:21,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:21,367 INFO L93 Difference]: Finished difference Result 53521 states and 85964 transitions. [2022-10-16 15:47:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:21,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-10-16 15:47:21,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:21,420 INFO L225 Difference]: With dead ends: 53521 [2022-10-16 15:47:21,420 INFO L226 Difference]: Without dead ends: 34386 [2022-10-16 15:47:21,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:21,448 INFO L413 NwaCegarLoop]: 964 mSDtfsCounter, 406 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:21,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1526 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:21,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34386 states. [2022-10-16 15:47:25,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34386 to 34314. [2022-10-16 15:47:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34314 states, 34224 states have (on average 1.610302711547452) internal successors, (55111), 34313 states have internal predecessors, (55111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:25,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34314 states to 34314 states and 55111 transitions. [2022-10-16 15:47:25,214 INFO L78 Accepts]: Start accepts. Automaton has 34314 states and 55111 transitions. Word has length 209 [2022-10-16 15:47:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:25,214 INFO L495 AbstractCegarLoop]: Abstraction has 34314 states and 55111 transitions. [2022-10-16 15:47:25,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 34314 states and 55111 transitions. [2022-10-16 15:47:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 15:47:25,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:25,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:25,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:47:25,217 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:25,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1746530846, now seen corresponding path program 1 times [2022-10-16 15:47:25,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:25,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142366768] [2022-10-16 15:47:25,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:25,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:25,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:25,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142366768] [2022-10-16 15:47:25,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142366768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:25,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:25,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:25,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032636069] [2022-10-16 15:47:25,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:25,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:25,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:25,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:25,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:25,411 INFO L87 Difference]: Start difference. First operand 34314 states and 55111 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:32,903 INFO L93 Difference]: Finished difference Result 97574 states and 157168 transitions. [2022-10-16 15:47:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:32,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-10-16 15:47:32,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:33,005 INFO L225 Difference]: With dead ends: 97574 [2022-10-16 15:47:33,005 INFO L226 Difference]: Without dead ends: 63774 [2022-10-16 15:47:33,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:33,038 INFO L413 NwaCegarLoop]: 959 mSDtfsCounter, 414 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:33,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1514 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:47:33,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63774 states. [2022-10-16 15:47:40,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63774 to 63642. [2022-10-16 15:47:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63642 states, 63552 states have (on average 1.6117824773413898) internal successors, (102432), 63641 states have internal predecessors, (102432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63642 states to 63642 states and 102432 transitions. [2022-10-16 15:47:40,767 INFO L78 Accepts]: Start accepts. Automaton has 63642 states and 102432 transitions. Word has length 209 [2022-10-16 15:47:40,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:40,768 INFO L495 AbstractCegarLoop]: Abstraction has 63642 states and 102432 transitions. [2022-10-16 15:47:40,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 63642 states and 102432 transitions. [2022-10-16 15:47:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 15:47:40,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:40,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:40,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:47:40,771 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:47:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:40,771 INFO L85 PathProgramCache]: Analyzing trace with hash -835268077, now seen corresponding path program 1 times [2022-10-16 15:47:40,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:40,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121552108] [2022-10-16 15:47:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:40,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121552108] [2022-10-16 15:47:40,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121552108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:40,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:40,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:40,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373314515] [2022-10-16 15:47:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:40,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:47:40,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:40,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:47:40,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:40,989 INFO L87 Difference]: Start difference. First operand 63642 states and 102432 transitions. Second operand has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:57,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:57,658 INFO L93 Difference]: Finished difference Result 135037 states and 217952 transitions. [2022-10-16 15:47:57,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:47:57,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-10-16 15:47:57,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:58,026 INFO L225 Difference]: With dead ends: 135037 [2022-10-16 15:47:58,026 INFO L226 Difference]: Without dead ends: 135027 [2022-10-16 15:47:58,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:58,060 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 492 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:58,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 1842 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:47:58,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135027 states. [2022-10-16 15:48:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135027 to 134938. [2022-10-16 15:48:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134938 states, 134852 states have (on average 1.594073502803073) internal successors, (214964), 134937 states have internal predecessors, (214964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134938 states to 134938 states and 214964 transitions. [2022-10-16 15:48:15,942 INFO L78 Accepts]: Start accepts. Automaton has 134938 states and 214964 transitions. Word has length 209 [2022-10-16 15:48:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:15,942 INFO L495 AbstractCegarLoop]: Abstraction has 134938 states and 214964 transitions. [2022-10-16 15:48:15,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 134938 states and 214964 transitions. [2022-10-16 15:48:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 15:48:15,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:15,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:15,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:48:15,946 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 207 more)] === [2022-10-16 15:48:15,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:15,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1225049451, now seen corresponding path program 1 times [2022-10-16 15:48:15,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:15,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574174077] [2022-10-16 15:48:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:15,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:16,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:16,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574174077] [2022-10-16 15:48:16,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574174077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:16,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:16,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:48:16,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138366930] [2022-10-16 15:48:16,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:16,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:16,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:16,093 INFO L87 Difference]: Start difference. First operand 134938 states and 214964 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)